Recent content by bacoms

Thanks for replying. The boiler is a combi, one of the Worcester Bosch Greenstar range. I can't remember the model but it serves 9 rads. in a 3-bedroom house. I don't recall any motorised valves external to the boiler.

Hi all, Cutting a long story short, I've let my house out via a letting agency while I'm away. Recently the tenants found that the CH did not come on and notified the agent who arranged a visit by an engineer. The engineer claimed that the voltage being supplied to the boiler by the programmer...