I necessitate guidance on my heat system, I own have a clean pump fitted I can hear the dampen circalating ,?
Answers: The click you hear from the back boiler is the gasvalve operator(solenoid),If the boiler does not fire up and the pilot fluffy is on,then the gas spout needs to be renewed.
Was the boiler firing up beforehand you renewed the pump or did you just pinch a guess and renew it?
Only corgi registered fitters can work on gas appliances.
there will be nouns in the system
turn the pump stale and bleed the radiators of air next turn the pump on again that should do it if not do it again subsequent
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