Recent content by markgowdy

  1. M

    Grant Combi MkII - Overheating after using hot water

    Hi, I believe I am having a similar problem. The burner fires immediately when the hot water tap is turned on (I suspect that shouldn't happen). And it overheats when the shower has been running for about 10 minutes (maybe less). I can't seem to find where the Store Thermostat adjustment...
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