Pumphouse High Temperature Condensate Pump

The Pumphouse High Temperature Condensate Pump is designed for applications where condensate needs to be removed from high temperature heating and cooling equipment. Also known as the Pump House PH-3.8L-HW, this condensate pump provides a practical solution where gravity drainage is not suitable or available. Its high temperature design makes it suitable for applications producing hotter condensate, providing plumbers, heating engineers and installers with a convenient option for managing condensate discharge. It is a useful addition to professional heating and HVAC installations where reliable condensate removal is required.

MacDonald Plumbing Supplies MacVessel Sealed System Filling Kit

The MacVessel Sealed System Filling Kit provides the essential components required for filling and monitoring sealed central heating systems using expansion vessels from 8 to 80 litres. The kit includes a filling loop with two 15mm compression fittings, a 3 bar safety relief valve and gauge, a 3/4 inch manifold, and a red or blue safety valve cap. Supplied as a convenient kit, it helps installers bring the key components together for efficient system installation and servicing. Suitable for use with a range of sealed heating systems and expansion vessel sizes.

Regin Ground Source Heat Pump Service & Maintenance Pad REGP49

The Regin Ground Source Heat Pump Service & Maintenance Pad REGP49 is a professional documentation pad designed for engineers carrying out installation and servicing of ground source heat pump systems. It provides a clear and structured record of work completed, supporting compliance and best practice within the heating industry. Supplied as a triplicate pad, it allows copies to be retained by the engineer, the customer and for official records. Ideal for both domestic and commercial installations, this pad helps ensure accurate service history and transparent certification of ground source heat pump work.

Trappex 22mm Centramag 2 Magnetic Filter

The Trappex Centramag 2 Magnetic Filter (22mm) is an advanced in-line filter designed to protect residential and light commercial heating systems from harmful debris. With a unique nine-separator design and quick-fit installation, it delivers premium performance in a compact form.

BritTherm Сirculator Pump S6 Series S6 25/12-180 (661999603)

The BritTherm S6 25/12-180 Circulator Pump combines powerful performance with smart technology for potable water systems. Featuring an EN1.4521 stainless steel casing and 180mm body, it's built for high-capacity domestic and light commercial use. With 10 automatic operating modes—including AUTO, fixed speed, constant and proportional pressure—the pump adapts to any installation. Advanced PWM GT and PWM ST remote-control functions allow integration with popular control systems like Siemens and Honeywell, while built-in electrical and thermal protection ensures lasting reliability. Designed for precision control and reliability, the BritTherm Circulator Pump S6 Series S6 25/12-180 is ideal for potable water circulation and recirculation. The stainless steel EN1.4521 housing provides corrosion resistance and suitability for drinking water systems, while the extended 180mm body supports higher capacity and greater flow rates. With three selectable fixed speeds, AUTO mode, and both constant and proportional pressure options, this pump offers 10 smart operating modes tailored to any application. PWM GT and PWM ST technology enable remote speed and function control via low-voltage signals—compatible with leading systems like Siemens and Honeywell. Engineered for ease of use and reliability, the pump also includes built-in electrical and thermal protection to safeguard against external faults and overloads.   Features & Benefits: ✅ Stainless steel EN1.4521 casing for potable water use ✅ 180mm body supports higher flow rates ✅ 10 smart modes including AUTO, CP, and PP ✅ Three fixed-speed modes for full power range ✅ AUTO mode adapts to system demand automatically ✅ Two constant pressure settings (CP1 & CP2) ✅ Two proportional pressure settings (PP1 & PP2) ✅ PWM GT & ST functions for remote control compatibility ✅ Works with Siemens, Honeywell & similar systems ✅ Built-in thermal and electrical safety protection

BritTherm Сirculator Pump S6 Series S6 25/18-180 (661999607)

The BritTherm S6 25/18-180 Circulator Pump offers a high-capacity and efficient solution for potable water circulation. Designed with a 180mm length and a corrosion-resistant stainless steel EN1.4521 casing, it’s ideal for demanding domestic and commercial systems. The pump features 10 automatic operating modes including AUTO, constant pressure, and proportional pressure settings. Built-in PWM GT and ST functions allow integration with external controllers like Honeywell and Siemens, enabling remote operation and frequency control. Safety is enhanced through dedicated electrical and thermal protection, making this pump a reliable and smart choice. Built for performance and durability, the BritTherm Circulator Pump S6 25/18-180 is an advanced circulator pump specifically designed for potable water use. With a 180mm body and an EN1.4521 stainless steel casing, it ensures hygienic operation and long service life. The pump boasts a user-friendly control interface, offering three fixed speed settings and multiple automation options tailored to different system demands. The inclusion of AUTO mode simplifies operation by automatically adjusting the pump to suit current flow and pressure requirements. Users can also choose between two constant pressure modes (CP1 & CP2) and two proportional pressure modes (PP1 & PP2) for optimal system performance. The integration of PWM GT and ST allows the pump to be remotely controlled by third-party controllers, making it suitable for intelligent building management systems. Its built-in electrical and thermal protection prevents damage caused by external electrical faults or overheating.   Features & Benefits: ✅ EN1.4521 stainless steel body ideal for potable water systems ✅ 180mm body length suits larger installations ✅ AUTO mode optimises pump performance automatically ✅ Three fixed speed levels for manual control ✅ CP1 & CP2 constant pressure modes maintain flow stability ✅ PP1 & PP2 proportional pressure modes for energy efficiency ✅ Integrated PWM GT & ST for smart remote control ✅ Compatible with Honeywell, Siemens, and more ✅ Electrical & thermal safety systems built in ✅ Perfect for circulation and recirculation applications

BritTherm Сirculator Pump S5 Series S5 32/10-180 (661999504)

The BritTherm S5 32/10-180 Circulator Pump is built to perform in high-demand commercial potable water systems. With a corrosion-resistant EN1.4521 stainless steel body and an extended 180mm length, it delivers superior durability and power. This advanced pump offers 13 operating modes, including AUTO, constant speed, constant pressure, and proportional pressure settings—giving full control over system efficiency and performance. Safety is paramount, with thermal and electrical protection built in to prevent system faults. Engineered for intensive commercial use, the BritTherm Circulator Pump S5 Series S5 32/10-180 delivers powerful circulation for potable water systems. The pump’s high-quality EN1.4521 stainless steel casing ensures hygienic operation and long-lasting durability. With 13 intelligent operating modes, including four fixed-speed options for traditional performance, four constant pressure settings to maintain system stability, and four proportional pressure modes that automatically respond to changing flow demands, this pump adapts precisely to the needs of modern installations. The AUTO mode offers smart, energy-saving adjustments based on system conditions. Built-in thermal and electrical safeguards add an extra layer of reliability, making this pump ideal for continuous commercial operation.   Features & Benefits: ✅ EN1.4521 stainless steel casing for hygienic potable water use ✅ 180mm body for commercial installations ✅ 13 flexible operating modes for system precision ✅ AUTO mode for energy-efficient optimisation ✅ Four fixed-speed modes for consistent flow ✅ Four constant pressure settings (CP2–CP5) ✅ Four proportional pressure settings (PP2–PP5) ✅ Electrical protection prevents damage from surges ✅ Thermal protection guards against overheating ✅ Suitable for demanding water supply systems

BritTherm Сirculator Pump S6 Series S6 25/10-180 (661999601)

The BritTherm S6 25/10-180 Circulator Pump is a cutting-edge solution designed for high-performance potable water circulation systems. Featuring a robust stainless steel EN1.4521 casing and enhanced functionality, it includes 10 intelligent operating modes plus PWM GT and PWM ST functions for seamless integration with smart thermostats and controllers. With AUTO mode, fixed speeds, and both constant and proportional pressure settings, this 180mm pump offers unmatched flexibility, efficiency, and remote control capabilities for large-scale water and heating systems. The BritTherm Circulator Pump S6 Series S6 25/10-180 sets a new standard for smart water circulation. Crafted with a corrosion-resistant stainless steel EN1.4521 casing, this pump is tailored for use in potable water systems, making it ideal for domestic and commercial installations. It offers 10 automatic operating modes, including three fixed speeds, AUTO mode for adaptive energy-efficient operation, constant pressure modes (CP1 and CP2), and proportional pressure modes (PP1 and PP2) to meet variable system demands. Uniquely, the S6 Series introduces PWM GT and PWM ST control functions, enabling remote pump regulation via low-voltage signal. This allows direct integration with smart thermostats and building automation systems such as Siemens and Honeywell. Electrical and thermal protection ensures the pump remains safe from faults not caused by pump operation. This intelligent 180mm model is built for performance, connectivity, and reliability.   Features & Benefits: ✅ Stainless steel EN1.4521 casing for potable water use ✅ Extended 180mm body for versatile installations ✅ 10 automatic operating modes for optimal flexibility ✅ Three fixed speeds for precise manual control ✅ AUTO mode optimises energy usage and performance ✅ CP1 & CP2 modes maintain consistent system pressure ✅ PP1 & PP2 modes adapt output based on demand ✅ Built-in PWM GT and ST for remote thermostat control ✅ Compatible with Siemens, Honeywell and more ✅ Electrical and thermal protection for pump safety

BritTherm Сirculator Pump B4 Series B4 25/7-180 (661999012)

The BritTherm B4 25/7-180 Circulator Pump is an advanced, intelligent pump designed for efficient circulation and recirculation of clean potable water. Equipped with nine smart operating modes, including AUTO and pressure control settings, it adapts to your water system’s requirements. Suitable for both hot and cold potable water, this pump offers energy-saving features and robust protection, ensuring reliable and cost-effective performance in modern water supply systems. The BritTherm Circulator Pump B4 25/7-180 is a highly versatile pump built for domestic and commercial water circulation needs. Its 25mm connection and extended 180mm body length provide excellent flow capacity and pressure head, making it ideal for systems requiring enhanced performance. This pump offers three fixed speeds for manual operation, plus an intelligent AUTO mode that automatically selects the optimal operating range for your circulation or recirculation system. It also includes two constant pressure modes (CP1 and CP2) and two proportional pressure modes (PP1 and PP2), allowing precise control based on flow demands. The Night Mode significantly reduces energy consumption to just 5 watts during low-demand periods, improving efficiency and lowering running costs. With built-in electrical and thermal protection, the pump safeguards against damage from external faults unrelated to system operation. Its easy one-button controls and quiet running make it an excellent choice for modern potable water circulation systems.   Features & Benefits: ✅ 25mm size with 180mm body length for enhanced flow ✅ Nine intelligent operating modes for system adaptability ✅ Three fixed speed settings for manual control ✅ AUTO mode for automatic optimisation ✅ Constant pressure modes (CP1 & CP2) for stable operation ✅ Proportional pressure modes (PP1 & PP2) for flow-based adjustment ✅ Energy-saving Night Mode reduces power to 5 watts ✅ Electrical and thermal protection for reliable safety ✅ Suitable for hot and cold potable water circulation ✅ Simple, one-button operation for user convenience

BritTherm Сirculator Pump B1 Series B1 20/12-180 (661996708)

The BritTherm B1 20/12-180 Circulator Pump is a high-performance, three-speed circulation pump built with a durable bronze body for safe use with cold and hot drinking water. Designed for demanding applications, this model delivers strong flow capacity and flexibility with manually selected speed settings. With reliable thermal and electrical protection, it’s a time-tested solution for domestic and light commercial systems. Built to handle higher capacity circulation requirements, the BritTherm B1 20/12-180 Circulator Pump offers robust performance in potable water systems. Its bronze body construction provides excellent corrosion resistance, making it suitable for both hot and cold water circulation. The pump features a manual switch with three fixed speeds, enabling users to easily adjust flow settings across the full power range to match the system's demands. This “Old School” design is favoured for its reliability and simplicity in a wide range of installation types. To ensure safe and long-lasting operation, the pump is equipped with integrated electrical and thermal protection systems. These features safeguard against external faults and thermal overloads, preventing unexpected breakdowns and maintaining system reliability. This model’s 180mm length and powerful performance make it ideal for larger domestic systems, commercial premises, or multi-zoned heating and water circulation applications.   Features & Benefits: ✅ Three-speed manual operation for adaptable flow control ✅ High-capacity performance for larger systems ✅ Bronze body for safe use with drinking water ✅ Reliable and easy-to-service design ✅ Electrical and thermal safety protection built in ✅ Ideal for both domestic and commercial water systems

BritTherm Automatic Сirculator Pump P5 Series P5 25/6-130 (661995710)

The BritTherm P5 25/6-130 Circulator Pump is a high-performance solution for heating systems that require extra pressure. Offering a 6-metre head and compact 130mm body, this smart circulator is compatible with boilers, heat pumps, and HIUs. With 10 operation modes, dual PWM inputs for smart controls, and built-in night power reduction, it ensures efficient and responsive heating across a wide range of applications. The BritTherm P5 25/6-130 Circulator Pump is a compact and powerful pump tailored for domestic HVAC applications where higher pressure is required in a limited space. Its 6-metre head capability makes it perfect for multi-zone systems or larger properties with more demanding heating needs. This pump features 10 built-in operation modes, including an intuitive AUTO setting suitable for the majority of UK homes. With constant and proportional pressure settings, installers can fine-tune performance to suit underfloor heating or traditional radiator systems. For legacy applications, the pump offers three fixed-speed modes. Dual PWM ports (GT and ST) enable integration with modern thermostats and controls from brands such as Honeywell and Siemens. An automatic night-time energy reduction function further enhances its efficiency by reducing power draw to just 5 watts when not in full demand. Safety is prioritised through robust electrical and thermal protection systems, shielding the pump from external faults like dry running or voltage surges, making it a reliable upgrade for installers and homeowners alike.   Features & Benefits: ✅ High 6-metre head for demanding heating systems ✅ Compact 130mm body suits most modern installations ✅ 25mm ports for standard domestic compatibility ✅ AUTO mode simplifies setup for 80% of systems ✅ Constant and proportional pressure settings for custom performance ✅ Fixed-speed modes for legacy system replacement ✅ 5W night-time power saving mode improves energy efficiency ✅ GT and ST PWM ports for smart control integration ✅ Fully protected against thermal and electrical damage ✅ Compatible with Honeywell, Siemens, and other popular controllers

BritTherm Automatic Сirculator Pump P5 Series P5 32/8-180 (661995720)

The BritTherm P5 32/8-180 Circulator Pump is a high-capacity pump engineered for a wide range of HVAC applications, including boilers, HIUs, and heat pumps. Featuring dual PWM functionality (GT and ST), it offers advanced remote control compatibility with leading thermostats such as Honeywell and Siemens. The pump supports 10 automatic operating modes, ensuring efficient performance in both fixed and dynamic systems. With automatic night power reduction to 5 watts and integrated protection systems, it's a durable, cost-effective solution for larger heating circuits. The BritTherm P5 32/8-180 is a robust circulator pump designed for demanding domestic HVAC systems. Whether installed in a boiler, HIU, or heat pump setup, this model provides outstanding performance and control. Its dual PWM modes (GT and ST) enable seamless integration with a wide range of low-voltage thermostats and controllers, including Siemens and Honeywell. Equipped with 10 automatic operating modes, it adapts effortlessly to various system types. AUTO mode covers the majority of heating setups, while CP1 and CP2 maintain consistent performance for underfloor heating. PP1 and PP2 dynamically adjust to changes in flow rate, making it perfect for variable demand systems. Traditionalists will appreciate the inclusion of three fixed-speed settings for manual control. Energy-saving functionality is built in, with an automatic night mode that reduces consumption to just 5 watts, maintaining comfort while cutting energy use. Thermal and electrical protection safeguards the pump from damage due to external faults, adding reliability and peace of mind.   Features & Benefits: ✅ Heavy-duty 32mm circulator with 8-metre head height ✅ Dual PWM control (GT & ST) for precision remote operation ✅ 10 operating modes for full system adaptability ✅ AUTO mode ideal for 80% of heating systems ✅ CP1 & CP2 constant pressure modes for underfloor systems ✅ PP1 & PP2 for systems with high flow variability ✅ Classic 3-speed settings for manual adjustment ✅ Energy-saving night mode reduces power use to 5W ✅ Integrated electrical and thermal protection ✅ Compatible with Siemens, Honeywell & most control systems

BritTherm Automatic Сirculator Pump P6 Series P6 32/10-180 (661995802)

The BritTherm P6 32/10-180 is a robust, high-efficiency circulator pump designed for larger domestic and commercial heating systems. With its 32mm connection size and 10m maximum head, this smart pump is ideal for high-capacity underfloor heating and complex radiator circuits. Featuring 10 automatic modes and dual PWM functions, it delivers excellent versatility, low energy consumption, and smart control compatibility. The BritTherm Automatic Circulator Pump P6 32/10-180 is a powerful addition to the P6 Series, offering larger bore 32mm connections for increased flow capacity. Its 10m head performance makes it ideal for applications where a high flow rate is required across large or multi-zone systems. This advanced pump includes AUTO, constant pressure, and proportional pressure modes to optimise performance and energy use depending on system demands. Installers will appreciate the legacy three-speed manual settings, while the GT and ST PWM control options enable smart integration with leading thermostats like Siemens and Honeywell. Built-in thermal and electrical protection systems ensure safe, continuous operation even in challenging environments.   Features & Benefits: ✅ 32mm connections for higher system flow capacity ✅ 10m head height for demanding multi-zone setups ✅ 10 intelligent operating modes for all heating needs ✅ Three-speed manual settings for traditional control ✅ Dual PWM inputs for remote control integration ✅ Compatible with Siemens, Honeywell, and more ✅ Ideal for underfloor and high-volume radiator systems ✅ Energy-saving AUTO and night modes ✅ Quiet, reliable, and efficient operation ✅ Built-in thermal and electrical protection for safety

BritTherm Automatic Сirculator Pump P6 Series P6 32/12-180 (661995804)

The BritTherm P6 32/12-180 is a high-performance circulation pump engineered for demanding HVAC installations. With a powerful 12-metre head and large 32mm connections, it handles high-volume systems with ease. This advanced model includes 10 automatic modes and twin PWM functions, ensuring compatibility with smart thermostats and delivering maximum energy efficiency. Ideal for underfloor heating and complex systems, it balances performance with reliable protection. Designed for installers seeking maximum flow and versatility, the BritTherm P6 32/12-180 offers a standout 12m head height and 32mm bore, making it ideal for large underfloor heating arrays and multi-zone radiator systems. Its 10 automatic modes cover every installation scenario, from constant and proportional pressure to manual speed settings. With integrated GT and ST PWM control, this pump seamlessly connects to smart thermostats and controllers from brands like Siemens and Honeywell. Energy-saving AUTO and night modes ensure lower running costs without compromising performance. It also includes robust thermal and electrical protection, providing long-lasting safety in any domestic heating setup.   Features & Benefits: ✅ 12m head height for large, multi-zone systems ✅ 32mm ports allow high flow capacity ✅ AUTO Mode fits 80% of heating setups ✅ Constant & proportional pressure modes for fine control ✅ Three-speed manual settings for traditional setups ✅ Dual PWM control (GT & ST) for remote integration ✅ Compatible with Siemens, Honeywell, and more ✅ Energy-efficient with night mode functionality ✅ Built-in electrical and thermal protection ✅ Ideal for demanding underfloor and radiator systems

BritTherm Automatic Сirculator Pump P6 Series P6 32/18-180 (661995808)

The BritTherm P6 32/18-180 is the most powerful circulator pump in the P6 range, offering exceptional flow performance with an 18-metre maximum head. Designed for large-scale HVAC systems, underfloor heating circuits, and multi-zone installations, this pump combines intelligent automation with rugged build quality. It features 10 advanced operating modes, PWM control compatibility, and integrated safety protections for high-efficiency, long-term use. When only the highest performance will do, the BritTherm P6 32/18-180 stands out with its maximum 18m head height, designed for complex and large-capacity heating systems. Whether you're working on commercial properties, large domestic builds, or extensive underfloor circuits, this 180mm circulator pump offers the power, precision, and control needed for smooth operation. It includes 10 user-selectable modes, covering AUTO operation, constant and proportional pressure control, fixed-speed settings, and full PWM functionality with GT and ST modes. PWM compatibility enables integration with leading smart heating systems from Siemens, Honeywell, and others. The unit is safeguarded by robust electrical and thermal protection features, making it a dependable choice for high-demand applications. Features & Benefits: ✅ Maximum 18m head for industrial and large-system use ✅ 32mm connections for high-capacity flow rates ✅ One-button AUTO mode suits most installations ✅ Two constant and two proportional pressure settings ✅ Three fixed speeds for traditional systems ✅ GT & ST PWM modes for smart remote control ✅ Compatible with Siemens, Honeywell & other thermostats ✅ Built-in thermal and electrical protection ✅ Designed for large homes, commercial and HVAC systems ✅ Quiet and energy-efficient performance

BritTherm Automatic Сirculator Pump P2 Series P2 32/6-180 (661995412)

The BritTherm P2 32/6-180 Circulator Pump is built for larger residential or commercial heating systems requiring high flow rates and robust performance. With a 32mm connection, 180mm body length, and 6m head, it delivers consistent, intelligent pumping with nine automatic modes—including AUTO, constant pressure, proportional pressure, and manual speed settings. Built-in safety features and energy-saving functions make it an efficient and reliable heating solution. Designed for demanding heating applications, the BritTherm P2 32/6-180 Circulator Pump offers intelligent performance in a durable, high-flow package. With a 32mm port size and 180mm length, it is well suited to larger pipework and more powerful systems. The pump includes nine operating modes for maximum adaptability. AUTO Mode adjusts output automatically for system demands, while two Constant Pressure Modes (CP1 and CP2) ensure balanced pressure despite flow changes. Two Proportional Pressure Modes (PP1 and PP2) respond dynamically to system pressure for optimal efficiency. Installers also have access to three Fixed Speed modes for traditional control. An advanced Night Operating Mode drops power usage to just 5 watts without compromising system quality. Electrical and thermal protection ensures the pump remains safe and operational in adverse conditions. It’s a powerful, efficient solution that brings versatility and control to high-capacity heating systems.   Features & Benefits: ✅ 32mm connections and 180mm body for high-flow systems ✅ AUTO Mode adapts performance to system needs ✅ CP1 & CP2 maintain steady pressure at all times ✅ PP1 & PP2 adjust dynamically for optimal efficiency ✅ Traditional three-speed manual settings included ✅ Night Mode reduces power draw to 5 watts ✅ Built-in safety features protect against electrical or thermal issues ✅ Ideal for larger domestic or light commercial installations

BritTherm Automatic Сirculator Pump P4 Series P4 25/8-130 (661995610)

The BritTherm P4 25/8-130 Circulator Pump delivers powerful performance and high-efficiency circulation for larger heating systems. With an 8-metre head and compact 130mm body length, it's perfect for high-demand domestic and light commercial installations. Its integrated PWM function ensures compatibility with smart controls, while 11 operating modes make it highly versatile for any HVAC application, including HIUs, heat pumps, and boilers. Engineered for maximum performance and system flexibility, the BritTherm P4 25/8-130 is a robust circulator pump with a high 8-metre head, ideal for demanding applications such as large heating zones, multi-floor systems, and energy-efficient upgrades. Its 25mm connections and standard 130mm body length make installation simple, while the advanced control options cater to both traditional and modern setups. The pump features AUTO mode, three fixed-speed modes, three constant pressure settings, and three proportional pressure modes. Whether you're maintaining consistent flow in underfloor systems or managing pressure in complex radiator layouts, this pump adapts effortlessly. The PWM control capability allows remote frequency adjustment via low-voltage cables, integrating smoothly with thermostats and controllers from leading brands like Honeywell and Siemens. Built-in thermal and electrical protection safeguards against damage from power fluctuations or system anomalies.   Features & Benefits: ✅ High-performance 8-metre head for demanding heating systems ✅ Compact 130mm body for standard pump replacements ✅ 11 intelligent work modes, including AUTO and pressure-based settings ✅ PWM-compatible for smart controls and home automation systems ✅ Suitable for underfloor heating, radiators, HIUs, and heat pumps ✅ One-button operation simplifies setup and control ✅ Thermal and electrical protection for extended reliability ✅ Versatile integration with modern and legacy systems ✅ Whisper-quiet operation for noise-sensitive environments ✅ Manufactured to BritTherm’s high standards for long-term durability

BritTherm Automatic Сirculator Pump P4 Series P4 25/8-180 (661995611)

The BritTherm P4 25/8-180 Circulator Pump is a high-efficiency solution designed for large-capacity heating systems. With a powerful 8-metre head and extended 180mm body, this model is ideal for larger pipework installations requiring maximum flow and flexibility. Featuring 11 intelligent operating modes and full PWM control compatibility, it integrates seamlessly with modern heating systems including HIUs, boilers, and heat pumps. Designed for high-output systems, the BritTherm P4 25/8-180 provides robust circulation across all types of HVAC applications. Its 180mm body and 25mm connections are perfect for commercial or large-scale domestic systems where a longer pump body is required for retrofit or design compliance. With an impressive 8-metre head, the P4 25/8-180 delivers reliable performance in complex installations such as multi-zone heating and underfloor layouts. The AUTO mode suits most heating systems, while the constant and proportional pressure settings ensure optimal efficiency across varying flow demands. Equipped with PWM control, this pump connects to low-voltage thermostat systems from brands like Siemens and Honeywell, enabling smart, responsive control. Built-in electrical and thermal protection features provide peace of mind against power faults and overheating, helping maintain pump integrity over time.   Features & Benefits: ✅ Extended 180mm body for larger pipework configurations ✅ High 8-metre head ideal for demanding heating systems ✅ 11 programmable modes including AUTO and pressure control options ✅ PWM-compatible for smart home and commercial system integration ✅ Perfect for underfloor heating, radiators, HIUs, and energy-efficient upgrades ✅ Simple one-button operation for quick setup and adjustments ✅ Thermal and electrical protection enhances system safety ✅ Compatible with leading control systems including Siemens and Honeywell ✅ Silent operation, suitable for domestic or commercial settings ✅ Engineered by BritTherm for long-term reliability and performance

BritTherm Automatic Сirculator Pump P1 Series P1 32/12-180 (661995324)

The BritTherm P1 32/12-180 Circulator Pump is a powerful, intelligent solution for high-capacity heating systems requiring efficient water circulation up to a 12-metre head. With 180mm spacing and 32mm ports, it’s designed for larger domestic or commercial systems. Featuring AUTO Mode, night-time power reduction, and multiple manual speeds, this smart pump ensures energy-efficient performance and long-term reliability. The BritTherm P1 32/12-180 delivers superior pumping performance with a high 12-metre head height, making it ideal for large-scale or high-demand heating systems. The 180mm port spacing and 32mm connections ensure compatibility with bigger flow circuits, especially in commercial or extended domestic installations. This model features four built-in automatic operation modes, including AUTO Mode, which dynamically adjusts the pump's output to suit system demands. For installers and engineers who prefer traditional control, three fixed speed settings offer full manual control. The built-in Automatic Night Power Reduction drops energy use to just 5W during off-peak periods. Safety is prioritised with electrical and thermal protection that guards against damage from external faults.   Features & Benefits: ✅ 12m head for powerful circulation in large systems ✅ 180mm length with 32mm threaded connections ✅ AUTO Mode for adaptive, energy-efficient operation ✅ Manual selection with three fixed speed settings ✅ Night-time power reduction to only 5 watts ✅ Built-in electrical and thermal protection ✅ Ideal for commercial or extended domestic systems

BritTherm Automatic Сirculator Pump P2 Series P2 25/12-130 (661995421)

The BritTherm P2 25/12-130 Circulator Pump is a high-performance 25mm pump featuring a compact 130mm body and an impressive 12-metre head, ideal for demanding heating systems. With nine built-in operation modes—including AUTO, constant and proportional pressure, fixed speeds, and energy-saving Night Mode—this intelligent pump adapts automatically to your system's requirements. It also benefits from advanced electrical and thermal protection, offering long-term reliability and peace of mind for both installers and end-users. Engineered for superior control and adaptability, the BritTherm P2 25/12-130 Circulator Pump delivers outstanding performance for medium to high-pressure heating systems. Its 25mm connection size and 130mm body length make it a compact yet powerful option, capable of delivering up to 12 metres of head pressure—making it ideal for multi-storey residential or complex zoned systems. This model includes nine intuitive operating modes that intelligently adjust the pump’s performance. The AUTO Mode is activated with a single button press and is compatible with 80% of existing systems, making installation and commissioning hassle-free. Two Constant Pressure Modes (CP1 and CP2) keep system pressure steady regardless of demand, while two Proportional Pressure Modes (PP1 and PP2) adjust speed to maintain balanced flow and pressure. If preferred, three manual fixed-speed settings give users full control over performance output. The Night Operating Mode drops power usage to a mere 5 watts during periods of low demand, significantly reducing energy consumption. To ensure the pump’s longevity, integrated electrical and thermal protection systems guard against damage from external electrical issues or overheating. This pump offers both professional installers and end-users a dependable and versatile solution to suit modern heating system requirements.   Features & Benefits: ✅ 25mm connection size with a compact 130mm body ✅ High-performance 12m head for demanding heating circuits ✅ Nine advanced operation modes including AUTO and Night Mode ✅ Two Constant Pressure Modes for stable system control ✅ Two Proportional Pressure Modes for adaptive pressure regulation ✅ Three fixed speed settings for tailored operation ✅ Night Mode reduces energy usage to just 5W ✅ Built-in electrical and thermal protection for reliability ✅ Easy installation and operation with one-touch setup

BritTherm Automatic Сirculator Pump P1 Series P1 25/10-180 (661995320)

The BritTherm P1 25/10-180 Circulator Pump is a high-performance solution for demanding heating systems. Featuring a powerful 10-metre head and a standard 180mm length, this pump combines intelligent operation with energy-saving features. It offers AUTO Mode for effortless optimisation and traditional three-speed manual control. Built-in thermal and electrical protection enhances reliability, making it ideal for both residential and light commercial installations that require superior performance. Engineered for high-demand heating applications, the BritTherm Automatic Circulator Pump P1 Series P1 25/10-180 offers enhanced flow capability with a 10-metre head height, making it suitable for large properties and extended pipework. The 25mm connection size ensures compatibility with most UK heating systems, while the 180mm body length allows for straightforward replacement in standard installations. The smart AUTO Mode adjusts pump performance to match heating demand, reducing energy use without sacrificing comfort. For installers who prefer manual control, the pump includes three fixed-speed settings. Additionally, a night-time power-saving mode reduces energy consumption to as low as 5 watts. Thermal and electrical protections are built in for added peace of mind, guarding against faults and overloads.   Features & Benefits: ✅ 10-metre head for high-demand systems ✅ AUTO Mode adjusts flow to system needs ✅ Traditional three-speed control option ✅ 5W automatic night-time energy saving ✅ Built-in thermal & electrical protection ✅ 180mm pump length for easy replacement ✅ Suitable for residential or light commercial systems

BritTherm Automatic Сirculator Pump P1 Series P1 25/12-130 (661995322)

The BritTherm P1 25/12-130 Circulator Pump is a compact, high-performance unit delivering a 12-metre head height for demanding central heating systems. With 130mm body length and 25mm connections, it offers an ideal balance of power and space-saving design. Featuring AUTO Mode for energy-efficient performance and manual speed options for precise control, this pump is perfect for new installations or direct replacements where powerful flow is required in a compact format. The BritTherm P1 Series P1 25/12-130 is designed to handle more demanding heating applications with a high-performance 12-metre head. Despite its power, the 130mm length allows for easy installation in tight spaces, particularly where system upgrades are needed without major pipework changes. Four operating modes—including intelligent AUTO Mode—ensure this circulator pump can optimise energy use without compromising performance. Alternatively, engineers can select one of three manual speeds. The pump also includes an automatic night-time energy-saving mode, reducing power usage to just 5 watts during low-demand periods. With built-in thermal and electrical protection, the P1 25/12-130 is a robust and reliable choice for residential and light commercial use.   Features & Benefits: ✅ High 12m head for increased flow capacity ✅ Compact 130mm body for easy installation ✅ AUTO Mode intelligently adapts to system demand ✅ Three fixed speeds for traditional control ✅ 5W night power reduction for energy savings ✅ Built-in electrical and thermal protection ✅ Ideal for upgrades or restricted spaces

BritTherm Automatic Сirculator Pump P1 Series P1 25/6-180 (661995308)

The BritTherm P1 25/6-180 Circulator Pump is built for heating systems that demand higher head pressure and consistent circulation. With a 180mm body length and 1" connections, it offers four intelligent modes, including an AUTO setting for adaptive energy use. The pump features three fixed-speed options and a night mode that drops power consumption to just 5 watts. Safety is ensured with integrated electrical and thermal protection. Designed for high-performance residential and light commercial heating systems, the BritTherm Automatic Circulator Pump P1 25/6-180 combines energy efficiency with robust delivery. The 6-metre head capability makes it ideal for systems with greater resistance or multiple radiators, while the 180mm pump length ensures compatibility with standard installations. The intuitive AUTO mode allows the pump to respond automatically to system requirements, delivering the right flow while minimising power usage. Users can also choose from three fixed-speed settings for traditional control. The built-in night mode further enhances efficiency, reducing energy draw to only 5 watts when demand is low. With its compact yet powerful design, this model is protected against overheating and electrical faults, offering both safety and longevity. Whether upgrading or installing new, the P1 25/6-180 is a reliable choice for system optimisation.   Features & Benefits: ✅ 6-metre head height for high-resistance systems ✅ 180mm body length with standard 1" BSP connections ✅ Intelligent AUTO mode for energy savings ✅ Three fixed-speed settings for manual control ✅ Night power reduction mode to 5W ✅ Electrical and thermal protection for safety ✅ Low-noise operation ✅ One-button operation for simple setup

BritTherm Automatic Сirculator Pump P1 Series P1 25/10-130 (661995319)

The BritTherm P1 25/10-130 Circulator Pump delivers high performance with a 10-metre head, perfect for larger or more complex heating systems. Its compact 130mm body fits neatly into tight spaces while offering four built-in operation modes, including an intelligent AUTO mode that optimises pump speed for energy efficiency and comfort. With a low-power night mode and robust electrical and thermal protection, this pump is both reliable and economical for residential or commercial heating applications. Engineered for demanding heating systems, the BritTherm Automatic Circulator Pump P1 25/10-130 combines power with smart energy management. The 10-metre head capability makes it suitable for systems with higher resistance, ensuring consistent and effective circulation of heating fluids. This model features three fixed speeds for manual control and an AUTO mode that intelligently adapts to the heating system’s requirements, balancing performance with minimal energy use. The automatic night power reduction function cuts power consumption down to 5 watts during off-peak periods, helping reduce running costs without sacrificing comfort. Built to last, the pump includes essential electrical and thermal protection systems to guard against damage caused by external factors, enhancing reliability and longevity. Its compact dimensions make installation straightforward, even in restricted spaces.   Features & Benefits: ✅ High 10-metre head for demanding heating systems ✅ Compact 130mm body length with standard 1" BSP connections ✅ Intelligent AUTO mode adjusts pump operation automatically ✅ Three fixed speed settings for manual selection ✅ Night mode reduces power use to 5 watts ✅ Electrical and thermal protection for enhanced durability ✅ Quiet operation suitable for domestic and commercial use ✅ Simple single-button control

Trappex Centramag Genesis 28mm Heat Pump Filter

The Trappex Genesis 28mm Heat Pump Filter is a high-performance magnetic filter designed specifically for air source heat pump systems. Built with a robust brass body, it effectively removes both magnetic and non-magnetic debris, protecting your system and maximising efficiency.

MacDonald Plumbing Supplies MacValve Water Drain Valve with Hose Tail ½" BSP

The MacValve Water Drain Valve is a durable and reliable solution for draining water from boilers and manifolds. Featuring a ½" BSP hose tail connection, a secure lever valve, and a closing cap with ring nut, this valve ensures efficient water drainage while preventing leaks.

MacDonald Plumbing Supplies Brass Air Vent Cap 15mm

The Brass Air Vent Cap 15mm is a durable and efficient solution for releasing trapped air from plumbing and heating systems. Made from high-quality brass, it ensures long-lasting performance while preventing air blockages that can reduce system efficiency. Easy to install and compact in design, this air vent cap is ideal for maintaining consistent pressure and ensuring smooth system operation.

Trappex 28mm Genesis Brass Filter Without Valves

The Trappex 28mm Genesis Brass Filter Without Valves is a compact, high-quality in-line system filter that offers easy installation and quick cleaning. Manufactured with a robust brass body and triple radial EPDM seals, it is designed to capture both magnetic and non-magnetic particles, ensuring optimal system efficiency. This filter can be fitted horizontally or vertically, making it ideal for small or restricted access areas.

Trappex 28mm Genesis Brass Filter With Valves

The Trappex 28mm Genesis Brass Filter with Valves offers superior filtration for heating systems, capturing both magnetic and non-magnetic particles. Built with a robust brass body, this filter ensures optimal system efficiency and longevity, complete with a 25-year warranty for peace of mind.

Danfoss Motorised Valve HP22B Paddle Type 2 Port 22mm DF087N660900

The Danfoss Motorised Valve HP22B Paddle Type 2 Port 22mm DF087N660900 is a high-performance valve designed for precise flow control in domestic and commercial heating systems. Featuring a paddle type mechanism for reliable shut-off and a robust construction, it ensures efficient operation and long service life. With a high flow rate and compatibility with a range of actuators, it offers flexibility for various heating applications.

Inta Zilmet Cal-Pro 8 Litre Heating Expansion Vessel & Mounting Bracket Z1-301008

The Zilmet Cal-Pro 8 Litre Heating Expansion Vessel & Mounting Bracket (Z1-301008) ensures optimal performance and safety in closed heating systems. With its carbon steel construction, SBR synthetic rubber diaphragm, and hard-wearing epoxy polyester powder-coated finish, this vessel is suitable for all heating system types. Fully CPR compliant and factory tested for reliability, it helps maintain pressure and reduces energy consumption, maximizing system efficiency.

Inta Zilmet Cal-Pro 12 Litre Heating Expansion Vessel & Mounting Bracket Z1-301012

The Zilmet Cal-Pro 12 Litre Heating Expansion Vessel & Mounting Bracket (Z1-301012) ensures reliable performance in closed heating systems. With its carbon steel construction, SBR synthetic rubber diaphragm, and durable epoxy polyester powder-coated finish, this vessel is suitable for all heating system types. Fully CPR compliant and factory tested for 100% reliability, it helps maintain pressure and reduces energy consumption, optimizing system efficiency.

Inta Zilmet Cal-Pro 18 Litre Heating Expansion Vessel & Mounting Bracket Z1-301018

The Zilmet Cal-Pro 18 Litre Heating Expansion Vessel & Mounting Bracket (Z1-301018) ensures efficient operation in closed heating systems. Featuring carbon steel construction, SBR synthetic rubber diaphragm, and a durable epoxy polyester powder-coated finish, this vessel is compatible with all heating system types. Fully CPR compliant and factory tested for reliability, it helps maintain optimal pressure and minimizes energy consumption, promoting system longevity and efficiency.

Trappex Expansion Vessel Service Valve ¾

Ensure efficient maintenance of your heating system with the Trappex Expansion Vessel Service Valve. This valve offers convenient access for draining, repressurising, and adding chemical inhibitor to your expansion vessel. With its integrated filling loop assembly and isolation capability, it simplifies maintenance tasks while minimising downtime.

Regin Yellow Hi-Viz Silicone Tube (6mm ID) REGU98

Enhance visibility and safety with Regin's Hi-Viz Silicone Tube. This 2-metre length tubing, with a 6mm internal diameter, is designed for use with gas readings in manometers. The vibrant yellow colour ensures better visibility compared to standard tubing. It is suitable for high-temperature applications, with a capacity to withstand temperatures up to 150°C.

BritTherm Automatic Сirculator Pump P1 Series P1 25/6-130 (661995307)

The BritTherm P1 25/6-130 Circulator Pump offers powerful performance with a 6-metre head and a compact 130mm body length, making it ideal for space-conscious heating systems. Featuring four built-in operation modes, including an intelligent AUTO mode, this pump automatically adapts to your system's needs for maximum efficiency and comfort. It also boasts a low-energy night mode and built-in electrical and thermal protection for reliable and safe operation. Designed for domestic and commercial heating systems requiring efficient circulation and adaptability, the BritTherm Automatic Circulator Pump P1 25/6-130 delivers dependable performance with ease of use. The pump’s 6-metre head capacity ensures strong flow even in systems with multiple radiators or higher resistance. Users can select from three fixed speeds or rely on the smart AUTO mode, which dynamically adjusts pump operation to maintain comfort while reducing energy consumption. The automatic night power reduction function further lowers electricity use to just 5 watts during low demand periods, helping reduce running costs. Built with safety in mind, this pump includes electrical and thermal protection features to prevent damage from external issues, ensuring longevity and peace of mind. The compact 130mm design makes it a versatile choice for a range of heating system installations.   Features & Benefits: ✅ 6-metre head for powerful circulation ✅ Compact 130mm length with standard 1" BSP connections ✅ Intelligent AUTO mode for adaptive energy efficiency ✅ Three fixed speeds for manual control ✅ Night mode reduces power consumption to 5W ✅ Electrical and thermal protection for durability ✅ Quiet operation suitable for residential use ✅ Easy one-button operation

Trappex 22mm Centramag 2 Magnetic Filter

The Trappex Centramag 2 Magnetic Filter (22mm) is an advanced in-line filter designed to protect residential and light commercial heating systems from harmful debris. With a unique nine-separator design and quick-fit installation, it delivers premium performance in a compact form.

Trappex 22mm Genesis Brass Filter Without Valves

Designed for installation in small or restricted access areas. With the in-line system filter it is easy to install and fast and convenient to clean. With the aid of triple radial high performance EPDM seals. Manufactured from high quality robust brass. Can be fitted horizontally and vertically comes with a 25 year warranty.

Trappex 22mm Genesis Brass Filter With Valves

Designed for installation in small or restricted access areas. With the in-line system filter it is easy to install and fast and convenient to clean. With the aid of triple radial high performance EPDM seals. Manufactured from high quality robust brass. Can be fitted horizontally and vertically comes with a 25 year warranty.

Trappex 1½ Scalematic Commercial Scale Reducer

The Trappex 1½" Scalematic Commercial Scale Reducer is a high-capacity, maintenance-free solution designed to reduce limescale build-up in commercial and large domestic water systems. Using advanced catalytic treatment technology, it helps protect boilers, appliances, and pipework without chemicals, salt, or electrical power. WRAS approved and built with durable copper housing for dependable long-term performance.

MacDonald Plumbing Supplies MacShock ½ Water Shock Arrestor - Diaphragm

The MacShock 1/2" Water Shock Arrestor - Diaphragm is a compact and efficient device designed to absorb pressure surges and prevent water hammer in plumbing systems. It is particularly useful in systems with water meters, non-return devices, and appliances like dishwashers or washing machines. With WRAS approval, this shock arrestor ensures smooth operation, reduces pipe vibrations, and helps protect boilers and other plumbing components from damage caused by sudden changes in water flow.

Altecnic Caleffi XS 22mm Filter 545912

The Altecnic Caleffi XS 22mm Magnetic Filter 545912 is a compact and highly efficient magnetic system filter designed to protect domestic heating systems from circulating debris. Featuring a powerful internal magnet and stainless steel mesh filter, it captures both magnetic and non-magnetic contaminants to help maintain boiler efficiency and prolong system life. With integrated isolation, visual inspection windows, and 22mm compression connections, it offers simple installation and straightforward servicing.

McAlpine SCA-RE Scale Defender Refill Cartridges (X2)

The dosing filter capacity is a maximum of 40,000 litres and should be replaced when exhausted to maintain the effectiveness of protection. Inside the dosing filter is a small red ball. When the ball is at the bottom of the dosing filter, the filter should be replaced. We recommend checking the filter every month or so. The pre-filter can be checked and cleaned periodically, or upon changing the dosing cartridge to ensure the flow rate through the system is not reduced. This may vary depending upon your water conditions.

Regin 2 Pole Tester C/W Led & Spring Load Shrouds REGXS150

REGXS150 - Regin Two Pole Tester c/w LED & Spring Load Shrouds The REGXS150 is a simple to use two pole voltage tester capable of measuring AC and DC voltages. It incorporates a number of features that make it safer and easier to use than many other two pole tester on the market.

Regin Contact Hazardous Voltage Detector REGXS19

The UK designed REGXS19 is a dual function hazardous voltage and live phase finder which will detect if voltages greater than 50VAC are present in order to protect operatives from dangerous live circuits, direct contact or leakage situations at electrical cabinets, street lighting columns and wooden, concrete and metal poles that carry live overhead supplies.   Identification of Live Phase conductors: as the REGXS19 uses direct contact for measuring (using the safest method known - capacitive coupling), the identification of the Live Phase is more certain than using Non-Contact Voltage Indicators or similar devices.   The REGXS19 is extremely safe to use as there is no need to operate touch pads or any other direct contact method to operate the unit correctly.

Gledhill SL Plus Direct 300 Buffer EE PLUDR300B

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Regin Combination Pliers 1000V 160mm REGE210

The Regin Combination Pliers 1000V 160mm REGE210 are designed for safe and reliable use in electrical environments. Fully insulated and individually tested, they provide protection when working on live circuits up to 1000V. With a compact 160mm size, they offer excellent control for precision tasks while maintaining the strength needed for gripping, cutting and twisting. Ideal for electricians, plumbers and heating engineers, these pliers combine safety, durability and comfort, making them an essential tool for compliant and efficient working on site.

Gledhill Stainless ES Indirect 150 Unvented SESINPIN150

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Regin Premier Mobile CO - Carbon Monoxide Detector REGX01

Extended sensor life - 5 years. Preset alarms: 3-colour warning light: Green LED blinks when CO is 2-9 ppm. Yellow LED blinks when CO is 10-34 ppm Red LED blinks with an audible alert at 35 ppm. Vibrating alert at 35 ppm. MAX capture - continually updates highest CO reading. CO detection to 999 ppm. Auto zero activates upon turn on. Backlit display. Low battery indicator.

Regin Thermocouple Thread Gauge Keyring REGT19

REGT19 - Thermocouple Thread Gauge  

Regin FUMAX Smoke Pellets (pack of 10) REGST02

REGST02 - Stove Range - Smoke Pellets  

Regin FUMAX King Size Smoke Pellets (pack of 50) REGS30

REGS30 - FUMAX King Size Smoke Pellets (pack of 50)

Regin FUMAX King Size Smoke Pellets (pack of 10) REGS25

REGS25 - FUMAX King Size Smoke Pellets (pack of 10)

Regin FUMAX Single Smoke Pellets (tub of 100) REGS20

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Regin FUMAX Smoke Pellets (pack of 10) REGS15

REGS15 - Regin FUMAX Smoke Pellets (pack of 10)

Regin Central Heating Treatment Filling Kit REGL45

REGL45 - Central Heating Treatment Filling Kit  

Regin Plumbers Washer Kit REGK26

REGK26 - Plumbers Washer Kit   A selection of over 200 rubber and fibre washers for a wide variety of applications.

MacDonald Plumbing Supplies MacVent 15mm Auto Air Vent Compression

The MacVent 15mm Auto Air Vent Compression offers a high-quality solution to prevent trapped air in heating systems. Built from premium materials, it operates efficiently under pressures up to 10 bar and temperatures up to 100°C, providing consistent and reliable performance in residential and commercial heating applications.