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my central heating comes on when the programmer is set to off?
Valliant Boiler F22 Error?
Valliant boiler making noises?
Vallliant F75 error message?
Vallient boiler showing f28 but pressure is fine?
Can anyone give some good advice re this problem ?
i have a valiant ecotech it is showing f75 ?
Valliant Eco Tech 615 boiler ?
flashing f22 message?
no flames for hot water?
Valliant Gas (Butane) Water Heater won't fire up (yes- pilot on) ?
Increase pressure in Valliant Ecomax Boiler?