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grant combi 70 v3

  1. Humbug64

    Heat exchanger cold front half ?

    Title was going to be "cold front warm rear" but sounds rude. Anyway, I changed heat exchanger on Grant Combi 70 V3 as it was leaking . Fiddly, but all ok without leaks. Now it's hot towards the back, cold at front. Flow from hot tap is lukewarm. PV Schrader valve leaking too ... I thought...
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