• Halstead HTG ACE FR AC1000000311
• Halstead HTG ACE High FR AC100000131
• Halstead HTG ACE High TO AC100000131
• Halstead HTG ACE TO AC100000131
• Halstead HTG Finest FR FGX500000131
• Halstead HTG Finest Gold FR FGX00000131
• Halstead HTG Finest Gold UP TO FG500000131
• Halstead HTG Finest Platinum
• Halstead HTG Finest Platinum LPG
• Halstead HTG Finest UP TO FG500000131
• Halstead HTG Wickes 90 UP TO FG 500000131
• Halstead HTG Wickes Combi 102 FR AC10000013
• Halstead HTG Wickes Combi 102 TO AC10000131
• Halstead HTG Wickes Combi 82 FR AC100000131
• Halstead HTG Wickes Combi 82 TO AC100000131

Halstead Safety Relief Valve 450987 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.