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Baxi solo 2 30pf will not fire up.. please help!

2 weeks ago my boiler would fire up for about 2 mins then cut off. Now it does not fire up at all. during this time I have had two different plumbers round who have changed various parts... PCB board x 2, fan, air pressure switch, water pump and motorised 3 port valve head... luckily I can get these parts at cost but still now getting expensive! What else is left???

The boiler and pilot light is on when calling for heat. Does anyone have any suggestions as to what else could be causing the problem?

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First off ensure water is getting to boiler, next, No pilot = pressure switch. On my baxi solo 40 pf pressure switch is replaced 8-10 times a year cures your problems,,,,,,,, momentarily , and have had all your other parts,but with no effect to speak of,.......sorry............ solution = [ change boiler ].sounds like gas pressure or lack of water to system or **** boiler like mine .........good luck.

Posted on Mar 11, 2010

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Try a thermocoupler? If so equiped.

Posted on May 18, 2009

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Could be a faulty overheat stat , i think thy are an auto reset type on these boilers

Posted on May 23, 2010

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Plumbers are great, but they are there to supply the water...
try having a skilled and knowledgeable gas tech come and check your system. Not 100% sure on this model, but is there is a motorized valve you are using it for heating as well, or the option is there... i might be a faulty flow switch or there could be a small bypass is your hot to cold valves,,, meaning not enough flow going though the unit activating the flow switch, this is where the plumber is used....

hard to say with out seeing the unit, but try a gas tech that is what they do not a plumber

Posted on Apr 10, 2010

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