Looks like the hot water valve was closed despite the fact it was switched on. So replacing the other one as well. Will replace just a motor (£15 instead of £50 for the whole powerhead).
UPDATE: I have changed the powerhead the same day on Friday, and it all worked like a charm!!!
But - midday today I'm afraid this is all over again - no reaction to thermostat signals. the new powerhead is somewhat warm, even if the underlying pipes are cold.
Please guys, any further advice on...
Hi all,
Context:
- Worcester Bosch Greenstar 30CDi Classic System
- Hive Receiver and Thermostat
This started only recently:
- Switching heating on the thermostat in its own does not ignite boiler and provide heating
- When switching on Heating is followed by switching on Hot Water, then we...