TomV Posted December 5, 2011 Report Share Posted December 5, 2011 I have a conventional gas boiler I can get it fired up but it cuts out after about five minutes the gas supply just cuts out any help is appreciated Quote Link to comment Share on other sites More sharing options...
fenboy Posted December 5, 2011 Report Share Posted December 5, 2011 could be the thermocouple but I am no expert.if it is its not a expensive fix. Quote Link to comment Share on other sites More sharing options...
ah 1 Posted December 5, 2011 Report Share Posted December 5, 2011 I have a conventional gas boiler I can get it fired up but it cuts out after about five minutes the gas supply just cuts out any help is appreciated thermocouple or gasvalve Quote Link to comment Share on other sites More sharing options...
daz2202 Posted December 5, 2011 Report Share Posted December 5, 2011 Could be anything on that description, possible pump stopped running and then boiler goes out on overheat! Try and work thru some obvious check and repost and I and sure some of the other plumbers on here will help, Check the following for starters. Pump running Fan running Room stat turned up Any fault codes on boiler display Also what boiler is it Quote Link to comment Share on other sites More sharing options...
TomV Posted December 5, 2011 Author Report Share Posted December 5, 2011 Pilot light Is on stat is up to 25 pump must be working because heat started coming through to rads I'll try firing it up again now the pilot light has been on a few mins Quote Link to comment Share on other sites More sharing options...
dazsl Posted December 5, 2011 Report Share Posted December 5, 2011 could be air locking in boiler if pilot light is staying on its not thermocoupler Quote Link to comment Share on other sites More sharing options...
TomV Posted December 5, 2011 Author Report Share Posted December 5, 2011 It's stayed fired up for bout 5 mins now n rads are warming up it's not gone off just yet Quote Link to comment Share on other sites More sharing options...
dazsl Posted December 5, 2011 Report Share Posted December 5, 2011 could have just air locked in boiler they some times boil them selves out but if it goes out again and the pilot light will not stay in the and everything else is working fine it is more than likely the thermocoupler with a hole in it and it as carboned up Quote Link to comment Share on other sites More sharing options...
magman Posted December 5, 2011 Report Share Posted December 5, 2011 Have you had any snow ? Quote Link to comment Share on other sites More sharing options...
TomV Posted December 5, 2011 Author Report Share Posted December 5, 2011 It's been on more than half an hour with no probs will keep a close eye on it had a bit of snow up here today it dint settle though thanks for your pointers lads Quote Link to comment Share on other sites More sharing options...
Vinny v Posted December 5, 2011 Report Share Posted December 5, 2011 No update so can only assume house is nice and warm and Tom v has fallen asleep :-) V Quote Link to comment Share on other sites More sharing options...
TomV Posted December 5, 2011 Author Report Share Posted December 5, 2011 Haha house is nice n warm i need to have the stat on the boiler turned up to the maximum otherwise it cuts out which it never did before so something is def wrong with it Quote Link to comment Share on other sites More sharing options...
dazsl Posted December 6, 2011 Report Share Posted December 6, 2011 could be the thermister it all depends on which boiler it is Quote Link to comment Share on other sites More sharing options...
TomV Posted December 6, 2011 Author Report Share Posted December 6, 2011 All sorted it was the thermo couple not bad price either £40 Quote Link to comment Share on other sites More sharing options...
daz2202 Posted December 6, 2011 Report Share Posted December 6, 2011 How much !!! Thermocouples are usually about a fiver !!! Quote Link to comment Share on other sites More sharing options...
TomV Posted December 6, 2011 Author Report Share Posted December 6, 2011 It's cheap compared to what some engineers charge Quote Link to comment Share on other sites More sharing options...
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