midas bf combi boiler. hw ok but ch not working.when switched on, pressure gauge goes up,thumping noise occurs,gas release valve pops out and system shuts down......is it stuck pumps \ pressure valve problem????please help experts..all rads bled pressure at 1 bar
cheers dave.as a gas 4 u man what do you think would be a reasonable charge for a repair ...if it is a pump? {foreigner}also does g f u provide a service like british gas for annual breakdown cover. b.g. quoted 156£ for callout repair 1 off. :
I am one of those who don't take on work on these boilers, so I don't know if it is a standard pump or a special, but either way shouldn't be too much of a problem getting one.
Standard pump either a myson or grunfoss will do it, don`t think wilo fit in. Also one of the pumps (cant remember which) has a non return valve fitted in the pump adaptor make sure it stays in place if its on the pump your changing
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