Description

Viessmann 7826473 Expansion Vessel – Compatible with 200 WB2B/WB2C Combi & System Boilers (19kW–35kW)

This Viessmann expansion vessel helps maintain the right pressure in your central heating system. The boiler expansion tank absorbs pressure changes, preventing system stress or leaks. The part number 7826473 suits a wide range of Viessmann Vitodens 200 models, offering dependable performance and long-lasting protection.

Compatible Boilers

This part is compatible with the following models:

Vitodens 100 WB1C Series

• 100 WB1C 19kW System – GC 41-819-26
• 100 WB1C 26kW Combi – GC 47-819-20
• 100 WB1C 26kW System – GC 41-819-27
• 100 WB1C 30kW Combi – GC 47-819-21
• 100 WB1C 30kW System – GC 41-819-28
• 100 WB1C 35kW Combi – GC 47-819-22
• 100 WB1C 35kW System – GC 41-819-29

Vitodens 100 WB1HA Series

• 100 WB1HA 19kW System ErP – GC 41-819-36
• 100 WB1HA 26kW System ErP – GC 41-819-37
• 100 WB1HA 30kW System ErP – GC 41-819-38
• 100 WB1HA 35kW System ErP – GC 41-819-39

Vitodens 100 WB1HC Series

• 100 WB1HC 19kW System – GC 41-819-40
• 100 WB1HC 26kW System – GC 41-819-41
• 100 WB1HC 30kW System – GC 41-819-42
• 100 WB1HC 35kW System – GC 41-819-43

Vitodens 100 WB1KC Series

• 100 WB1KC 26kW Combi – GC 47-819-40
• 100 WB1KC 30kW Combi – GC 47-819-41
• 100 WB1KC 35kW Combi – GC 47-819-42

Vitodens 100 WBP JA Series

• 100 WBP JA 25kW Combi – GC 47-819-26
• 100 WBP JA 29kW Combi – GC 47-819-27

Vitodens 200 WB2B & WB2C Series

• WB2B 19kW / 26kW / 35kW Combi & System
• WB2C 26kW / 30kW / 35kW Combi & System

If you’re looking for a Viessmann 100 WB1C Expansion Vessel 7837231 (8ltr) or any other different Viessmann Expansion Vessel, follow the link provided.

Why Choose This Product?

This Viessmann expansion vessel ensures safe operation by balancing pressure fluctuations. It prevents system leaks and extends the life of your boiler. Built to Viessmann standards, this boiler expansion tank matches original specifications for easy installation. It offers silent performance and helps your heating run smoothly throughout the year.

Delivery and Return

Place orders before 1 PM for same-day dispatch via reliable couriers. Choose from standard or next-day delivery options. Returns are accepted within 30 days if the part is unused and in original packaging. Always use a Gas Safe registered engineer for installation and warranty protection.