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Hi, just checked. HW - Honeywell CH - Danfoss As I moved a electrical wire, the Danfoss valve began to operate. It may be a loose connection(?). Will wait for advice before I do anything further. Have managed to route some tension into the wire so that it operates for now. Many...

More details: I have a Unvented water heater with a 'WILO' pump Has Honeywell V4043H1056 motorised valve Has another box(?) Danfoss Type HPA2 switched to auto. Many thanks for your time to advise.

Thanks, answers in green! 1) Boiler make / model (gas or oil) IDEAL CLASSIC FF380 - GAS 2) What is / is not happening. CENTRAL HEATING WORKING IF HOT WATER ON BUT NOT ON ITS OWN Central heating will not fire up boiler when switched on, even if room thermostat turned up (it clicks...

Dear experts :idea: , I'm a novice but having an attempt at fixing what I think is a boiler problem :roll: . Boiler: Ideal Classic FF380 (6 years old) PROBLEM: Central heating doesn't work on its own but it does if the hot water is 'on' at the same time :cry: . OTHER INFO: works...