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now we have a problem with over pressure in boiler.goes to 2.7 and prv leaking constant. £80 plus vat new exchanger just.boiler only just over 16months old.can i get it repaired or cheaper anywhere?

just add to. turned on heating and boiler fires. lower thermostat on front and boiler keeps firing flow and return pipes red hot boiler still firing lovely hot rads but boiler firing all time. what type of thermostat do i require as two wires intop off boiler at thermostat location

grant combi 90 v 3 boiler fault is when boiler on for hot water only the boiler will not keep to temp.the boiler fires when divertor valve operates switch and water then heats up ok.the rotating temp switch on front seems to work.will fill up bath no problem.in morning the boiler is stone...

new ring of 12 240 spot recessed lighting in kitchen.the weeks have seen numerous lamps tripping and blowing the lamps.replaced and new lights dontseem to last long

doing my head in now,when water comes on in dhw the rads get hot how

grant combi boiler with the filling loop diconnected the pressure in the boiler rises above 3 bar and the relif valve lets out to drain but imediately rises back up over an hour or so.could this contribute to excess oil usage over the month

i have 2nd light switch opposite to one in kitchen but unable to use both together wiring all over the place ,has somebody got easy way to check out wires

:D :D another diaphram free from supplier as all pointed to divertor valve but expensive and was free to move.and fitted,all working fine now,can see a slmall hole in the supposed new silicone diaphram.informed supplier and he is going to refund me. the information gained has helped...

beleive it or not but tried that at 1am last night.you know when things pop into your mind.no luck with moving the knob,tried even to short the switch to ensure pump came on to push hot round but no good,could the divertor valve itself be sticking in centraql heating mode all time,is there a way...

no dhw during operation of boiler,boiler fires when central heating on ok.dhw none, know the bascis changed diaphram and then changed mixer valve but pin on the diaphram still dosent come out approx 11mm..stripped valve and all is very free moving, do i need another divertor valve as i got two...