When I turn the boiler on manually it fires up fine but after 2-3 minutes it powers down and turns off - nothing. Ive tried it via the timer but same result. What should I be checking/repairing??
Sounds like its something away from the boiler,especially if it comes onto full flame for 3 mins.Check the pump is running and that the feeder tank in the loft is full of water.
Tony S
March 2009
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