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Mend Potterton Puma 100 Heating Thermocouple Gas Valve

Potterton Puma 100, pilot light problem?

My pilot light keeps going out, only after water use, shower bath or sink full of water. I can here the gas valve shutting off about 5-10 seconds after the main burners go out. It re-lights straight away, no problem. I've replaced the thermocouple, pilot burner and electrode.
Everything points towards the thermocouple but it's brand new!

Steve
February 2006

Potterton Potterton Puma 100 Heating, Home Heating Systems Heating Thermocouple Gas Valve

hi steve turning the pump up worked , chris.

chris
March 2006

I have the same with my potterton puma 100 i changed the thermocouple,no luck.got combi man out to look at it,hecould not find anythink wrong he turned the pump from 2 to 3 (full) and charged me £84 .I replaced the pump 2/3 years ago but not with a potterton one its a single speed one and twice the price of a three speed made by same maker i ran new pump on 2 it made heating quiter.To soon to tell if it worked i will let you know.

chris
February 2006

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Potterton Puma 100 Pilot Light Issues - Help!