MacDonald Plumbing Supplies MacValve WRAS Remote Filling Loop Part L Compliant with Gauge

The MacValve WRAS Remote Filling Loop Part L Compliant with Gauge is a practical and compliant solution for filling and pressurising central heating systems and heat interface units. Designed for flexible installation, it can be fitted remotely from the boiler or cylinder, making it ideal where access is limited or no integral pressure gauge is present. Supplied complete with a gauge and essential safety components, it ensures accurate pressure monitoring and safe system operation.

Rob Pond PressFit 22mm Perfect Pump Valve Pair

The Rob Pond PressFit 22mm Perfect Pump Valve Pair PPV22-PF provides a reliable and efficient solution for connecting circulating pumps in heating systems. Designed with 22mm M profile press connections and 1½" swivel unions, these valves allow quick installation and secure pump isolation. Manufactured from durable nickel plated brass and rated to 16 bar, they offer excellent strength and long-term reliability. Supplied as a matched pair with rubber washers, they ensure a tight seal and simplify installation for professional heating engineers.

MacDonald Plumbing Supplies MacValve 22mm Chrome Plated Angled Auto Bypass Valve

The MacValve 22mm Chrome Plated Angled Auto Bypass Valve is designed to maintain efficient water circulation in central heating systems. It automatically opens to allow flow when thermostatic radiator valves close, preventing pressure build-up and protecting system components. With adjustable pressure settings and a durable chrome-plated finish, it offers reliable and long-lasting performance.

MacDonald Plumbing Supplies MacTRV 15mm White Head TRV & Lockshield Pack

The MacTRV 15mm White Head TRV & Lockshield Pack is a complete solution for controlling radiator temperature efficiently. Featuring a 15mm angled thermostatic radiator valve and matching lockshield, it allows precise heat regulation while improving energy efficiency. With a liquid-filled sensor and built-in frost protection, it ensures consistent performance in domestic heating systems.

Danfoss RAS-C2 15mm TRV & LS 013G6005

This Danfoss RAS-C2 15mm TRV & LS 013G6005 set includes a RAS-C2 sensor, RA-FS 15 mm bidirectional angle valve, and a matching lockshield valve. It is designed for precise temperature regulation and offers efficient control over your heating system. The set is easy to install and comes in a clean, white finish (RAL 9016) that complements any décor.

Rob Pond 22mm Perfect Pump Valve (Pair)

Rob Pond Perfect Pump Valves are the solution to every Plumbers worst nightmare - Leaky pump valves. When changing a heating pump, every plumber hates touching the brass pump valve...they leak, they don't close and there is nowhere to get their pump pliers onto to tighten against. Perfect Pump Vales solve all these issues. The valves are full bore ball type & are operated with a T bar quarter turn lever for easy operation. The valve body comes with flat surfaces on either side for your spanner to sit without slipping. These quality valves are a plumbers dream product.

Rob Pond 28mm Perfect Pump Valve (Pair)

Rob Pond Perfect Pump Valves are the solution to every Plumbers worst nightmare - Leaky pump valves. When changing a heating pump, every plumber hates touching the brass pump valve...they leak, they don't close and there is nowhere to get their pump pliers onto to tighten against. Perfect Pump Vales solve all these issues. The valves are full bore ball type & are operated with a T bar quarter turn lever for easy operation. The valve body comes with flat surfaces on either side for your spanner to sit without slipping. These quality valves are a plumbers dream product.

MacDonald Plumbing Supplies Discharge Hose 3/4 x 2.5M

This 3/4" discharge hose with a length of 2.5 meters provides an efficient solution for water discharge applications.

MacDonald Plumbing Supplies Copper Floats 4 1/2"

These Copper Floats (4 1/2") provide reliable buoyancy control for a wide range of applications.

MacDonald Plumbing Supplies Gate Type Pump Valve 28mm WRAS Approved

This Gate Type Pump Valve (28mm) with WRAS approval provides reliable flow control for pump systems.

MacDonald Plumbing Supplies Gate Type Pump Valve 22mm WRAS Approved

This Gate Type Pump Valve (22mm) with WRAS approval provides reliable flow control for pump systems.

MacDonald Plumbing Supplies MacValve 15mm & 22mm Pressure Reducing Valve & Gauge

The MacValve 15mm & 22mm Pressure Reducing Valve, complete with a pressure gauge, is designed to efficiently regulate and reduce pressure in plumbing and heating systems. With dual compatibility for 15mm and 22mm pipe sizes, this valve offers flexible installation and ensures system protection by controlling excessive water pressure. Adjustable outlet pressure between 1 and 6 bar with a factory pre-set of 3 bar.

MacDonald Plumbing Supplies Straight Auto Bypass Valve 22mm

The Straight Auto Bypass Valve 22mm is designed to automatically regulate water flow within central heating systems, maintaining consistent pressure and preventing pump damage. By diverting excess flow when thermostatic radiator valves (TRVs) close, it enhances efficiency and ensures quiet, reliable system operation. With 22mm compression connections, it’s easy to install and suitable for domestic and light commercial systems. An essential component for modern heating systems using TRVs across multiple radiators.

MacDonald Plumbing Supplies MacValve 15mm WRAS Filling Loop Part L

The MacValve 15mm WRAS Filling Loop Part L is a reliable and compliant solution for refilling and maintaining pressure in domestic and commercial heating systems. Designed to meet Part L regulations and fully WRAS approved, it ensures safe operation while preventing backflow contamination. Suitable for use with boilers and other pressurised systems, this filling loop offers a straightforward and dependable method for topping up system pressure.