Description

Viessmann 7837892 Gas Safety Valve – PRV for System & Combi Boilers

The Viessmann Gas Safety Valve plays a crucial role in maintaining safe pressure levels in your heating system. This brand new pressure relief valve (PRV) with part number 7837892 protects both system and combi boilers from overpressure. It ensures your boiler operates safely by releasing excess pressure and preventing damage or leaks.

Compatible Boilers

This part is compatible with the following models:

100 WB1C Series

• 100 WB1C 19kW System (Serial No. 7499423) – GC 41-819-26
• 100 WB1C 26kW Combi (Serial No. 7499425) – GC 47-819-20
• 100 WB1C 26kW System (Serial No. 7499424) – GC 41-819-27
• 100 WB1C 30kW Combi (Serial No. 7499427) – GC 47-819-21
• 100 WB1C 30kW System (Serial No. 7499426) – GC 41-819-28
• 100 WB1C 35kW Combi (Serial No. 7499429) – GC 47-819-22
• 100 WB1C 35kW System (Serial No. 7499428) – GC 41-819-29

100 WB1HA Series

• 100 WB1HA 19kW System Erp (Serial No. 7543420) – GC 41-819-36
• 100 WB1HA 26kW System Erp (Serial No. 7543421) – GC 41-819-37
• 100 WB1HA 30kW System Erp (Serial No. 7543423) – GC 41-819-38
• 100 WB1HA 35kW System Erp (Serial No. 7543425) – GC 41-819-39

100 WB1HC Series

• 100 WB1HC 19kW System (Serial No. 7570671) – GC 41-819-40
• 100 WB1HC 26kW System (Serial No. 7570672) – GC 41-819-41
• 100 WB1HC 30kW System (Serial No. 7570674) – GC 41-819-42
• 100 WB1HC 35kW System (Serial No. 7570676) – GC 41-819-43

100 WB1KC Series

• 100 WB1KC 26kW Combi (Serial No. 7570673) – GC 47-819-40
• 100 WB1KC 30kW Combi (Serial No. 7570675) – GC 47-819-41
• 100 WB1KC 35kW Combi (Serial No. 7570677) – GC 47-819-42

200-W B2HB Series

• 200-W B2HB 19kW System (Serial No. 7570787)
• 200-W B2HB 26kW System (Serial No. 7570788)
• 200-W B2HB 30kW System (Serial No. 7570790)
• 200-W B2HB 35kW System (Serial No. 7570792)

200-W B2KB Series

• 200-W B2KB 26kW Combi (Serial No. 7570789)
• 200-W B2KB 30kW Combi (Serial No. 7570791)
• 200-W B2KB 35kW Combi (Serial No. 7570793)

If you’re looking for a Viessmann Boiler Service Kit-Auto Air Vent, Burner Gasket, Ignition Electrode, Boiler Sensor, PRV, follow the link provided.

Why Choose This Product?

Choosing the Viessmann Gas Safety Valve ensures your boiler stays protected from dangerous pressure buildup. This brand new valve meets strict safety standards and provides reliable pressure relief. It helps prevent costly damage and extends your boiler’s lifespan. Easy to fit, it supports safe, efficient heating for your home or business.

Delivery and Return

Place orders before 1 PM for same-day dispatch via trusted couriers. Select from standard or next-day delivery options to suit your schedule. Returns are accepted within 30 days if the part is unused and in original packaging. Always use a Gas Safe registered engineer to install this valve safely and keep your warranty valid.