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    how to set the Historesis on a gas hot water system

    Sorry for the delay in coming back. Thanks for all the input... Now it seems that I need to tell a few details so that maybe someone can advise me.... the Tank is a 180 Litre TURBUNE PREMIER made by IMI Heating, thats upstairs and there is some kind of panel on the top. The Actual Gas heater...
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    how to set the Historesis on a gas hot water system

    Would Anyone know how to reset or set the historesis on a gas Hot water system. my hot water cools too much before it comes on to reheat. I mean its almost tepid before it comes on, is it by the tank somewhere or is it by the gas heater, there is a box there to select the water temp, which is...
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    Water not staying Hot

    My hot water system works OK, as far as the Radiators are concerned. But the hot water isn't staying hot the whole time I have it programmed for, most of the time. It seems that there must be a temperature that it comes back on to reheat the water, but this must be set very low and erratic...
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