Gledhill Repairs
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Boiler keeps going out

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Boiler keeps going out Empty Boiler keeps going out

Post  DAD Sun Dec 13, 2009 6:06 am

Hello Mike,
I have a Boilermate II, the boiler is a Potterton PrimaB (50B), the whole system is 14 years old and I have had a water softener for 10 years (definitely required if you don't want to descale every year!). Both PCB's have been changed, both pumps have been changed on more then 1 occasion, and the Brawa thermal mixer vale has been changed. The issue I now have is the boiler continually going out, caused by the cut out button on the boiler activating, I assume this is due to some overheating of the boiler? Basically I need your help, is it time to replace the boiler? can I replace just the boiler? or do I need to replace the boilermate too? and lastly what is exactly causing the cut out button to activate?
Thanks in advance for your help on this.

Dave

DAD

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Join date : 2009-12-13

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Post  Mike the Boilerman Tue Dec 15, 2009 2:24 am

Hi Dave,

The cutout button is the overheat protection thermostat. I suggest replacing both the overheat 'stat AND the main control thermostat on the Prima. This will almost certainly fix it. I say almost because the problem can also be caused by corrosion, in which case the heat exchanger needs dismanlting and cleaning.

Cheers, Mike

Mike the Boilerman
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Post  DAD Tue Dec 15, 2009 1:32 pm

Hi MIke,
Thanks for the information and advice

Dave

DAD

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Join date : 2009-12-13

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