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"Check everywhere" but what am I looking for? I suspected the motorised valve on the hot water but the wiring/connections all look good as is the junction box thing that the boiler wiring and motorised valves connect to. I`ve checked the connections at the Honeywell timer,programmer but when I...

Thankyou all, the impeller was jammed, I forced it round and all is now fine. jim

Strange: the heating runs fine until the timer switches on the hot water then it trips. If I overide the timer the hot water heats for 5 minutes, an hour, or 3 hours then trips. We`ve been using the emersion instead and last night when the timer/controller (Honeywell) switched OFF the heating it...

The twin impeller Salamander pump that has been working perfectly for 3 years has stopped pumping. It just emits a humm when the shower is turned on but the water comes through at low pressure, unpumped. Is the impeller just jammed and is it possible to free it without disconnecting the water...