• Vaillant VC GB 112EH Fanned BF
• Vaillant VC GB 180H OF
• Vaillant VC GB 182 EH
• Vaillant VC GB 240H OF
• Vaillant VC GB 242 EH
• Vaillant VC GB 280H OF
• Vaillant VC GB 142 EH
• Vaillant VC GB 282 EH
• Vaillant ThermoCompact EcoMax VU 186EH
• Vaillant ThermoCompact EcoMax VU 226EH
• Vaillant VCW Sine 18 T3 WF H
• Vaillant VCW 20/1 T3 WH
• Vaillant VCW 25/1 T3 WH
• Vaillant VCW GB 242EH
• Vaillant VCW GB 221H
• …and more. Contact us for more info.

Vaillant (PRV) Pressure Relief Valve 190721 is also known as Pressure Relief Valve, PRV, Safety Valves, over flow valve and Expansion Relief Valves. The function of this type of Valve is to relieve the system of over pressure in a safe manner.It is set to open at a predetermined set pressure to stop pressure building up and preventing the expansion vessels and other equipmen and from being damaged. Please always refer to Manufacturers instruction, and get a competent person to carry out any repair to you boiler. Make sure your Gas Safe Engineer uses Original Boiler Spare Parts, and they should come packed in the manufacturers box and sealed. When contacting Heating Spares please have your boiler details to hand and if possible have the boiler (GC) Gas Council number ready. Heating Spares 247.com is a an Approved Boiler Spares Stockist, and we Guarantee to supply Genuine Boiler Spares from the Boiler Manufacturers. Services available are trade counter pick up, Next working day, next working day AM and Saturday delivery. We also operate same day express delivery service.