Description

Viessmann 100-W WB1B Combi/System Pressure Gauge 7828644 7834985

The Viessmann pressure gauge accurately monitors system pressure in your boiler. The combi/system pressure gauge provides reliable readings to maintain safe and efficient boiler performance. This part number 7828644 (also 7834985) fits various Viessmann boilers, ensuring you keep your heating system under control and avoid damage.

Compatible Boilers

This part is compatible with the following models:

100-W WB1B Series

• 100-W WB1B 26kW Combi (Serial No. 7373061) – GC 47-819-12
• 100-W WB1B 26kW System (Serial No. 7373060) – GC 41-819-18
• 100-W WB1B 30kW Combi (Serial No. 7373063) – GC 47-819-13
• 100-W WB1B 30kW System (Serial No. 7373062) – GC 41-819-19
• 100-W WB1B 35kW Combi (Serial No. 7373065) – GC 47-819-14
• 100-W WB1B 35kW System (Serial No. 7373064) – GC 41-819-20

100 WB1C Series

• 100 WB1C 26kW Combi (Serial No. 7499425) – GC 47-819-20
• 100 WB1C 30kW Combi (Serial No. 7499427) – GC 47-819-21
• 100 WB1C 35kW Combi (Serial No. 7499429) – GC 47-819-22

100 WBP JA Series

• 100 WBP JA 25kW Combi (Serial No. 7501297) – GC 47-819-26
• 100 WBP JA 29kW Combi (Serial No. 7501298) – GC 47-819-27

If you’re looking for a Viessmann 7837892 Gas Safety Valve – PRV for System & Combi Boilers, follow the link provided.

Why Choose This Product?

Choosing the Viessmann pressure gauge ensures your boiler system stays within safe pressure limits. This gauge delivers precise readings, helping to avoid system faults and prolong boiler life. Viessmann parts come with trusted quality and full manufacturer backing. Installing this part helps maintain efficient heating and hot water supply.

Delivery and Return

Place orders before 1 PM for same-day dispatch via reliable couriers. Choose standard or next-day delivery options to fit 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 fit this pressure gauge safely and correctly.