MacDonald Plumbing Supplies MacControl Dual Channel Programmer

MacControl Dual Channel Programmer is a mains powered digital programmer designed to provide flexible time based control of central heating and hot water systems. With independent channels for heating and hot water, it allows installers and homeowners to create schedules suited to their daily routines. The programmer is compatible with gravity fed and fully pumped systems, including S plan and Y plan configurations. Multiple programming options, three ON/OFF periods per channel, holiday mode, frost protection and useful override functions provide precise and convenient control for modern residential heating systems.

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 Rapid DigiDial Pressure Checker REGX11

The Regin Rapid DigiDial Pressure Checker REGX11 is a compact and easy-to-use digital pressure testing tool designed for quickly checking water pressure in domestic and commercial plumbing systems. Featuring a clear digital display and simple operation, it provides fast, accurate pressure readings, making it an essential diagnostic tool for plumbers, heating engineers, and maintenance professionals. Its portable design allows convenient use on-site for routine servicing, fault finding, and system commissioning.

Arctic Hayes SleepSafe Carbon Monoxide Alarm/Detector COA10

The Arctic Hayes SleepSafe Carbon Monoxide Alarm/Detector COA10 is a dependable, self contained safety device designed to protect occupants from the dangers of carbon monoxide exposure. Suitable for homes, caravans, and boats, this easy to use alarm features a sealed-for-life 10 year battery and provides continuous monitoring without the need for wiring or battery replacement. Certified to EN50291-1:2010 and EN50291-2:2010 standards, it meets essential safety requirements and is ideal for domestic installations, including social and council housing applications.

MacDonald Plumbing Supplies MacShock 15mm Water Shock Arrestor - Diaphragm

The MacShock 15mm Water Shock Arrestor - Diaphragm is a highly effective solution for eliminating water hammer and pressure surges in plumbing systems. Its compact size allows for flexible installation in confined spaces, while the internal diaphragm technology efficiently absorbs sudden changes in water flow. This shock arrestor is ideal for use with water meters, non-return valves, and appliances such as dishwashers and washing machines. Fully WRAS approved, it ensures quieter operation and long-term protection for your plumbing network, safeguarding boilers, pipes, and fittings from damage caused by hydraulic shock.

MacDonald Plumbing Supplies MacScale 22mm Electrolytic Scale Reducer

The MacScale 22mm Electrolytic Scale Reducer is a reliable and maintenance-free solution for reducing limescale build-up in plumbing systems. Designed for larger 22mm pipework, it provides whole house protection using an electrolytic process that requires no chemicals or power. WRAS approved and easy to install, it helps maintain system efficiency and extend the lifespan of appliances and pipework.

MacDonald Plumbing Supplies MacScale 15mm Electrolytic Scale Reducer

The MacScale 15mm Electrolytic Scale Reducer is an effective, maintenance-free solution designed to reduce limescale build-up in plumbing systems. Suitable for both domestic and commercial use, it provides whole house protection using an electrolytic process that requires no chemicals or power. WRAS approved and easy to install with 15mm compression fittings, it helps extend the life of appliances and pipework.

MacDonald Plumbing Supplies MacPump 3 Speed Domestic Circulating Pump - 25/6-130

The MacPump 3 Speed Domestic Circulating Pump - 25/6-130 is a reliable and energy-efficient solution for circulating water in domestic heating systems. Designed for use in radiator circuits, hot water systems, and underfloor heating, it features a 3-speed manual setting for flexible control of flow rates. With a 6m head and simple plug-and-pump installation, it offers dependable performance and ease of use.

MacDonald Plumbing Supplies MacPump 1½ "A" Rated Circulating Pump

The MacPump 1½" “A” Rated Circulating Pump is a high-efficiency solution designed for domestic heating and hot water systems. Featuring a permanent magnet motor and intelligent differential pressure control, it automatically adjusts performance to suit system demand. With both variable and fixed speed settings, a 6m head, and A-rated energy efficiency, it delivers reliable performance while helping to reduce energy consumption.

Regin Vessel Jet 2 12v Car/Van Lead/Adaptor REGK32

12v Vehicle charge cable for the vessel jet 2

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.

Trappex Expansion Vessel Bracket

Securely and precisely connect your expansion vessel to your heating system with the Trappex Expansion Vessel Bracket. Designed for installations with limited space, this bracket ensures reliable support and functionality for expansion vessels ranging from 2 to 25 litres.

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.

MacDonald Plumbing Supplies Universal 240V Synchron Motor

The Universal 240V Synchron Motor is a versatile component suitable for most 2-port and 3-port motorised valves in central heating systems. By replacing just the motor, you can save on costly valve replacements and avoid hiring a plumber. This DIY-friendly motor ensures your central heating system operates efficiently.

Regin 10mm Nut Driver (Flexible Shaft) REGU81

The Regin 10mm Nut Driver (Flexible Shaft) REGU81 is the perfect tool for removing gas test nipples during gas tightness tests. Its flexible shaft and built-in 10mm fixed hex end make it a versatile and essential companion for gas engineers and professionals.

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 1/2" Water Shock Arrestor - Mechanical

Maintenance free device to prevent water hammer in plumbing systems. No need to re-pressurize annually. Brass body with polymer piston

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.

MacDonald Plumbing Supplies MacVent 15mm Compression Air Vent

The MacVent 15mm Compression Air Vent is a versatile manual air vent designed for use with 15mm compression fittings in heating, cooling, and other wet systems. Manufactured from durable brass, it can replace a standard 15mm olive to provide a convenient venting point. Suitable for both temporary and permanent applications, it offers a reusable and practical solution for installers working on vented and unvented systems.

Regin Danger Do Not Use Sticker/Tag With Engineer Detail Panel (8) REGP26

REGP26 – Danger – Do Not Use Sticker / Tag  

Regin Replacement Lever Adaptor For REGK30 Pump REGK31

REGK31 - Pressure Vessel Pump Replacement Lever Adaptor  

Regin Free-Air Gauge Vernier REGK73

REGK73 - Free-Air Gauge Vernier  

Regin UK Mains Charger For Vessel Jet 2 REGK13

This is a replacement charger for the Regin Vessel jet 2 (REGK01)  

Regin Electrical Connector with Strain Relief 5 way REGE105

REGE105 - 5 Way Connector  

Regin Gas Tape 33M REGA05

Ideal for marking out gas pipe work  

MacDonald Plumbing Supplies MacChem C100B 500ml Corrosion Inhibitor with Biocide

The MacChem C100B 500ml Corrosion Inhibitor with Biocide is specially formulated to protect low-temperature heating systems such as underfloor heating from corrosion and microbial growth. Offering exceptional value for money, it outperforms more expensive brands while delivering reliable, long-lasting system protection. By preventing rust, limescale, and sludge, it improves heat transfer efficiency and extends system life, helping you reduce energy bills and costly repairs.  

MacDonald Plumbing Supplies MacChem C300 500ml Central Heating System Cleanser

The MacChem C300 Central Heating System Cleanser offers a powerful, cost-effective solution to maintain and restore your heating system. This 500ml formula is as effective as branded alternatives but at half the price. Designed to remove sludge, scale, and debris, it boosts efficiency, extends the lifespan of your system, and ensures optimal performance.

Regin Rechargeable Battery For Vessel Jet 2 - REGK12

Spare rechargeable battery for the vessel jet 2  

Drayton ZA5/679 2 Port Motorised Valve 22mm Compression

The Drayton ZA5/679 2 Port Motorised Valve 22mm Compression is a reliable and easy-to-install solution for controlling water flow in central heating and hot water systems. Designed with industry standard wiring and a spring-return mechanism, it ensures efficient operation and dependable performance. With a compact design and manual override functionality, it is ideal for both new installations and replacement work.

Regin Replacement Hose For Vessel Jet2 REGK14

Replacement hose for the Vessel Jet (version 2)  

Regin Top Up Hand Pump REGK60

Compact, lightweight and convenient mini pump for inflation and pressure adjustments

Regin Zoom Spout® Oiler REGZ22

Each Zoom Spout Oiler is filled with 4 fl oz (us) (118ml) of Unocal 76 Turbine Oil - a superior general purpose lubricating oil. Features a flexible, telescoping, non-conductive plastic spout that extends from approx. 7½” (190mm) to 13½” (340mm). Flash point 210°C. Zoom Spout Oilers are used all over the world by heating & ventilation engineers, maintenance personnel, mechanics, home owners and many more.

Regin Brass Pressure Test Nipples - REGQ160

REGQ160 - Brass Pressure Test Nipples  

Regin Landlords Gas Safety Record Pad (25 in triplicate) REGP45

REGP45 - Landlords Gas Safety Record Pad  

Regin Danger – Do Not Use Sticker / Tag (8 pack) REGP36

REGP36 – Danger – Do Not Use Sticker / Tag  

Regin Pressure Vessel Pump REGK30

The REGK30 is a hand pump for pressurising pressure vessels. It features an ex- tended 3 metre long hose which helps access difficult to reach areas. The pump is freestanding and has a large, easy to read 0 - 5.1 bar (0 - 75 psi) barrel mounted gauge. The first choice and best selling pump for all engineers.

Regin Pressurisation Pump Angled Adaptor REGK29

REGK29 - Pressurisation Pump Angled Adaptor  

Regin Pressurisation Pump Straight Adaptor REGK28

REGK28 - Pressurisation Pump Straight Adaptor  

Regin Dry Pipe Pressure Test Kit REGK10

REGK10 - Dry Pipe Pressure Test Kit Assists the testing of pipework at the carcassing stage.

Regin Vessel Jet REGK01

REGK01 - Vessel Jet 2 It is an ideal tool for: Filling Pressure Vessels on Pressurised and Unvented Cylinder Systems Topping up pressure in van tyres Inflation of bicycle tyres and sports equipment with the additional adaptors supplied. The Regin Vessel Jet is easier to use than a hand or foot pump, especially in restricted areas. Portable, versatile and durable, The Vessel Jet is the perfect travel companion for your mobile inflation requirements.

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.

Rob Pond Self Cutting Drain Off Cock

The Self Cutting Drain Off Cock is a practical and efficient solution for draining water from plumbing and heating systems without the need for pipe cutting or system dismantling. Designed for quick installation on 15mm copper pipe, it allows plumbers to create an instant drain point even when existing drain valves are inaccessible. Ideal for emergency work and maintenance tasks, this reusable tool enables fast, clean system draining with minimal spillage, making it an essential addition to any professional plumbing kit.

MacDonald Plumbing Supplies MacPress Long Tail Drain Off Valve Type A 15mm

The MacPress Long Tail Drain Off Valve Type A 15mm offers efficient drainage for gas, LPG, and fuel oil systems. Approved by British Gas to EN 331 standards, this durable valve is ideal for residential and commercial applications, providing reliable performance in demanding environments.     Installation Instructions for Press Fittings   1. Ensure the copper tube is cut squarely. 2. Deburr the pipe internally and externally to form a smooth edge. 3. Check that the ‘O’ ring of the fitting is seated correctly and free from impurities. 4. Do not use jointing compound, oil or grease. 5. Insert the tube to the full depth of the socket. 6. Clearly mark the tube at full depth. 7. Aline the fitting with the jaw of the tool correctly. 8. Make the press connection, using a suitable M profile jaw.

MacDonald Plumbing Supplies MacValve 15mm Type A Brass Drain Off Valve

The MacValve 15mm Type A Brass Drain Off Valve is a robust and essential component for ensuring efficient water drainage in plumbing systems. Suitable for both residential and commercial applications, this high-quality valve is designed for durability, corrosion resistance, and ease of use. Perfect for draining radiators, heating systems, and other water-filled equipment.