Pressure Relief Valve (Safety Valve) with pressure gauge 3 bar. 1/2 Inch..

Auto Air vent with 15mm pipe connection complete with compression fittings..

⅜" Top VentingMax working temperature: 110°CMax working pressure: 10bar..

Automatically top up system pressure Complete with Pressure Gauge, backflow prevention and strainer 1/2" M/F..

Temperature and pressure relief valve. For hydraulic systems to protect the hot water storage.   Setting temperature: 90°C. DN15 7 Bar 1/2" x 1/2"/15mm EN1490 - MOD. 309 - DN1..

In accordance with the Building Regulations 2001—Part L1 • Brass Construction • Rated 0.1 to 0.6 bar • Allows compliance to Building Regulations 2001—Part L1 • 2 Year Guarantee • 22mm Pipe conn..

Auto Air vent with 1/2" pipe connection Zytel Plastic constructed to stop dirty water contaminating the venting mechanism. This significantly prolongs it's life. Complete with sealing o-ring ..

The R24 Filling Loop comprises a DZR combined double check valve and isolating valve with flexible hose and isolating valve. * Suitable for supplying mains water to closed circuit heating systems. ..

Suitable for supplying mains water to closed circuit heating systems. Comprises of a DZR double check valve connected (via hose) to a Tee brass isolating valve.    ..

Fixing Kit for fitting a Expansion Vessel up to 24 Litre to a wall..

The Automatic Air Vent EA122 is suitable for heating systemsand other hot water systems (not potable water) which requirethe efficient automatic removal of air from water. The vacuumbreak on the botto..

Pressure Reducing Valve with Gauge   Fits either 22mm or 15mm pipe. Maximum Inlet Working Pressure: 16 bar Minimum Outlet Pressure: 1 bar Maximum Outlet Pressure: 6 bar Pre-Setti..