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Discuss Warmflow external oil fired boiler wont switch off in the Plumbing Jobs | The Job-board area at PlumbersForums.net

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challslot

Hi,
I've a Warmflow oil fired boiler in my garage. Its been working fine up to the cold snap about a month ago. The boiler keeps firing up even with the controller switched to off, and removed from the wall mounting. the only way to stop the boiler firing up throughout the day is to switch off the mains supply. In making a few checks to identify the problem I noted the Drayton MA1 Actuator was jammed as the indicator arm had snapped and fallen inside. I have taken it apart and removed the debrise, could this be the problem.
Any pointers would be greatly appreciated, I'm a mechanical engineer and can fix most things given basic instruction.
Thanks, Peter.
 
Its not a problem its got a frost etat to stop it frezzing up!

Leave the power on to avoid problems
 
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