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.

BritTherm Automatic Сirculator Pump P3 Series P3 15/4-130 (661995501)

The BritTherm P3 15/4-130 circulator pump is designed for versatile domestic heating systems, featuring nine intelligent automatic operation modes to deliver optimal comfort and energy efficiency. Its compact size and accessible control panel make it ideal for installation even in confined or concealed spaces. The BritTherm Automatic Circulator Pump P3 15/4-130 offers advanced adaptability for modern domestic heating systems. With nine automatic operating modes, this pump intelligently adjusts to the specific demands of your system, ensuring efficient and consistent performance. The pump’s AUTO mode simplifies operation by selecting the best power setting for around 80% of heating systems with a single button press. It includes two constant pressure modes (CP1 and CP2) that maintain steady pressure regardless of flow rate, and two proportional pressure modes (PP1 and PP2) that adapt the pump’s output based on pressure changes proportional to flow rate. For manual control, the pump features three fixed speeds, allowing users to select the desired power output. An automatic night power reduction function reduces energy consumption to a mere 5 watts without affecting the heating quality, saving energy during low demand periods. The pump is also equipped with electrical and thermal protection systems to safeguard it from external damage unrelated to normal operation, enhancing durability and reliability.   Features & Benefits: ✅ Compact 15mm size for easy fitment in tight spaces ✅ Nine automatic operation modes for tailored performance ✅ AUTO mode for simple intelligent control ✅ Two constant pressure modes (CP1 & CP2) for pressure stability ✅ Two proportional pressure modes (PP1 & PP2) for adaptive flow response ✅ Three fixed speeds for manual control ✅ Night mode reduces power to 5 watts for energy efficiency ✅ Electrical and thermal protection for long-lasting durability ✅ Suitable for all domestic heating systems

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 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 Pipe Lagging 15/22mm - Single Roll 7.2m

The Pipe Lagging comes in a single roll measuring 7.2 meters and is designed to fit pipes with a diameter of 15/22mm. This pipe lagging is used to provide insulation and protection to pipes, helping to prevent heat loss and condensation. It's commonly used in plumbing and heating systems to improve energy efficiency and maintain optimal temperatures. With a length of 7.2 meters, this roll of pipe lagging is suitable for covering a significant length of piping, ensuring effective insulation and contributing to the overall efficiency of your system.

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.

Hotun White 15 - 22 Dry Trap Tundish HW100C15-22

The revolutionary, market-leading, plumber-designed hotun dry trap tundish allows a compliant connection from any sealed system T/PRV to an internal waste or soil pipe. Allowing both trickle and full flow but preventing foul odours and gases from coming back into a property, hotun eliminates the need for an external discharge. Due to it's innovative and patented "air-break to drain" design, hotun is the ONLY dry trap tundish on the market that can be cleaned and serviced (if required) in situ. There is no need to remove or dismantle Hotun from the pipeline which makes it ideal for use in hard water areas. Award-winning and cost effective, Hotun  is the original and industry pioneering one-product solution. It saves the installer time and money and is the ONLY dry trap tundish officially named and accepted for use by many of the worlds biggest water heater and boiler manufacturers. Hotun is the ONLY dry trap tundish on the market that has a visible open-sided construction and valve arrangement and allows water to be easily seen IN the tundish, even AFTER the T/PRV has stopped dripping. This means that diagnoses of any faults is quick and simple. Hotun is WRAS approved and fully complies with all Building and Water Regulation requirements and provides the ultimate back-flow & back-siphonage protection preventing contamination of any wholesome water and meets the "Requirement" for a safe and visible means of discharge.

15mm Gas Pressure Test Point

The 15mm Gas Pressure Test Point is a dependable fitting designed to provide convenient access for pressure testing gas systems. Suitable for use with soldered, compression and crimp fittings, it offers flexibility across a range of installation methods. Its design allows gas engineers to carry out pressure testing efficiently during installation, maintenance and fault finding. The test point can be used in the branch or either end of a standard tee, providing installation flexibility while potentially reducing fitting costs. It also means engineers only need to carry one specialist test point, helping save time and simplify work on site.

Regin Rad Valve Change Kit REGR05

The Regin Radvalve Change kits are. Used for changing radiator valves without draining down. The kit comprises of 2 patented rubber bungs, key pattern fixing clip and a radiator air bleed key. For use on 15mm & 22mm pipework. Supplied in strong nylon zip bag. See REGR10 Radtrap Drainage Pad for details of an associated useful product.

Regin Draineasy Radiator Draining Kit REGR01

The Regin Draineasy Radiator Draining Kits are. Move Radiators Fast! Avoid the unnecessary mess. Step by step instructions. For professional or DIY use. Universal application for 8mm, 10mm, 15mm & 22mm pipework. Kit comprises: 4 x Water Diverting Collars for 8mm, 10mm, 15mm and 22mm pipework, Re-usable Sealing Strips, Draining Tray and Water Resistant Barrier Gel (sufficient for 6-8 applications).

Regin Pressure Test Kit Complete REGU80

REGU80 - Pressure Test Kit Complete  

Regin Dry Pipe Pressure Test Kit REGK10

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

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.