Compatible Boilers

This part is compatible with the following models:

WB1C Series

• 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

Why Choose This Product?

This refurbished boiler fan replacement is a smart way to restore proper airflow in your Viessmann boiler. It undergoes thorough inspection and testing before shipping. The 7837255 model is built to meet manufacturer standards. It prevents faults caused by poor ventilation and supports safe, energy-efficient operation. Backed by a 12-month warranty, it offers peace of mind and savings.

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.

FAQs:

1. What boilers is the Viessmann 7837255 fan compatible with?
   The fan is compatible with Viessmann 100 WB1C 30kW and 35kW Combi and System boilers.

2. What does the boiler fan do?
   It moves exhaust gases out of the boiler, ensuring proper airflow and preventing overheating or shutdown.

3. Can I install the Viessmann 7837255 fan myself?
   For safety and compliance, it is recommended to have a Gas Safe registered engineer install the fan.

4. How can I tell if my boiler fan needs replacing?
   Common signs include unusual noises, frequent shutdowns, or error codes related to airflow issues.

5. Does this boiler fan come with a warranty?
   Yes, the Viessmann 7837255 boiler fan comes with a 12-month warranty.