I have a problem with my boiler . I have drained the system down and i have fitted a new pump but all of my rads are still cold and my hot water is not very warm please can you help me
'have drained the system down and i have fitted a new pump but all of my rads are still [u]cold[/u] and my hot water is not very warm please can you help me'
You firstly said the radiators were cold, now you're saying:
'If we have the upstairs rads on the downstairs don't warm up and vice versa'
Check pump, could be that the impeller has broken or came away from the motor.
When the boiler is on central heating only, place your hand on the DHW outlet, if the pipe gets hot - then it'll be the diverter sticking, with the taps not being open the heat will build up in th pipes and boiler - the boiler will detect it has reached the desired temperature and shut down.
If still no luck - get a heating engineer out to check gas pressures etc.
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by gerbank » Thu Feb 07, 2008 3:22 pm 
