potterton puma 100e
- Thread starter pace508
- Start date
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B
breezer
I am not a plumber or heating engineer, thats EXACTLY the same boiler as we have. Have you checked the presure in the pressure vessel (big orange thing at the back with a tyre valve on it)
If the pressure goes above 3 bar then it should be squirting hot water out of the pressure releif pipe - outside. Otherwise you have a bomb in your house.
Several things could be causing the overheat - check the pump's turning (unscrew centre screw & poke summat in)
And Breezer is right about the pressure vessel precharge. Pump to about 0.7 bar after letting water out so pressure on gauge is 0. (cold!)
Several things could be causing the overheat - check the pump's turning (unscrew centre screw & poke summat in)
And Breezer is right about the pressure vessel precharge. Pump to about 0.7 bar after letting water out so pressure on gauge is 0. (cold!)
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