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what is wrong with this boiler, it will not turn off?

potterton netaheat ep2000

will not switch off even with thermostat and programmer turned off.
wilson, December 2008
This isn't the answer you want - but you probably need to call a corgi registered plumber. Meanwhile you should be able to find and turn off the gas stop cock to the boiler - it can't run without gas!

Richard, December 2008
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