Description
Viessmann 7823844 Expansion Vessel CRI 8 – Fits 100 WB1A 24kW & 30kW Combi/System Boilers
This Viessmann expansion vessel helps regulate pressure in your heating system to keep your boiler working safely and efficiently. The CRI 8 expansion vessel with part number 7823844 prevents water pressure build-up that could cause damage. It plays a key role in system balance and long-term boiler protection.
Compatible Boilers
This part is compatible with the following models:
100 WB1A Series
• 24kW Combi (Serial No. 7179917) – GC 47-819-04
• 24kW System (Serial No. 7179918) – GC 41-819-09
100-W WB1A Series
• 30kW Combi (Serial No. 7179916) – GC 47-819-05
If you’re looking for a Viessmann 7826473 Expansion Vessel or any other different Viessmann Expansion Vessel, follow the link provided.
Why Choose This Product?
This Viessmann expansion vessel supports consistent system pressure and protects internal components from damage caused by water expansion. The CRI 8 design works perfectly with Viessmann’s 100 WB1A and 100-W WB1A models.
Every brand-new part is built to meet Viessmann’s strict quality standards. The included 12-month warranty gives you added confidence. Whether replacing a faulty unit or maintaining your system, this expansion vessel keeps your boiler running smoothly.
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 validation.
