Potterton Puma 80 hot water not shutting down

paul.martland · 23 Jan 2006

Hi all you experts out there.

My boiler fires up no problem and is delivering central heating and hot water. Boiler shuts down fine if you dip the central heating thermostat but during hot water cycle once you turn off the tap it keeps going, makes one hell of a noise until (it sounds like) the pressure relief valve goes. It first did this a month or so. It's becoming more frequent.

Any suggestions

ChrisR · 23 Jan 2006

Your hot water flow switch is sticking. Lots of posts here about it.

paul.martland · 23 Jan 2006

ChrisR said:
Your hot water flow switch is sticking. Lots of posts here about it.

Chris,

Thanks for the reply. Presumably I need to replace rather than repair?

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Potterton Puma 80 hot water not shutting down

paul.martland

ChrisR

paul.martland

DIYnot Local

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