What does the Worcester Bosch Greenstar Ri F44 fault code mean?
The F44 fault code on the Worcester Bosch Greenstar Ri indicates a malfunction in the diverter valve, which is responsible for directing hot water either to the heating system or to the taps. This issue can lead to problems with heating and hot water supply.
Common Causes
- Blocked Diverter Valve: Debris or limescale buildup can obstruct the diverter valve’s operation, preventing it from functioning correctly.
- Electrical Fault: A failure in the electrical components or wiring associated with the diverter valve can lead to its malfunction.
Can I fix it myself? (DIY)
It is highly recommended to call a Gas Safe Engineer for this issue, as working on gas appliances can be dangerous and requires professional expertise. Attempting to fix the diverter valve without proper training may lead to further complications.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for a faulty diverter valve on a Worcester Bosch Greenstar Ri is around £250 to £350. This includes parts and labour, as diverter valves typically require professional installation and testing to ensure safety and proper function.