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Potterton Performa 28 Not Lighting when used with shower

Joined
22 Oct 2007
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My Potterton Performa 28 does not fire up when I turn on the shower, however if I open up another hot tap the boiler comes on , I turn off the hot tap the boiler stays on and the shower gets hot. This has only started to happen. The shower has been fitted for 1 year. Appreciate any suggestions.
 
TBH I dont know or work on Potterton boilers, though this sounds like a perfarated or stretched diaphragm.

I may be wrong :roll:
 
Dont think you are Craig :wink:

Check the pin is coming out on the front of the diaphragm housing when the shower is turned on only.

If not it is deffo the diaphragm :wink:
 

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