potterton performa 28

17 Jan 2010
Reaction score
United Kingdom
The hot water and heating on a potterton performa 28 are both working but not getting hot enough only reaching 50 degrees maximum on the temperature gauge
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Run the hot tap at approx 11 L/min and measure the hot and cold temperatures
let the heating get cold then run the hotwater if the left hand pipe under boiler starts to get hot your divertor valve is passing and not letting enough heat get into the hot water

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