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  1. K

    Potterton Suprima 80L Boiler fires with no call for heat

    Disconnected thermostat and frost stat but boiler still keeps firing up as if there is a demand for heat. Programmer is switched to off. Cylinder 2 port is closed, central heating open Anybody any ideas please. Boiler fires up and then down as if satisfied then fires up pretty much...
  2. K

    PIPE THROUGH A FLAT ROOF - KEEPING IT WATERTIGHT?

    Any advice please. I am about to run a 22mm copper pipe up through a flat roofed garage into the loft of a house. What is the best way to keep the roof weatherproof / water tight at the point of exit of the pipe. Any help appreciated.
  3. K

    ARISTON MICRO COMBI - LUKEWARM WATER

    Advice Please. Went to an Ariston Micro Combi problem which was noisey boiler when hot water demand was on and only lukewarm water. In my inexperience I went for faulty heat exchanger which cured the noise but not the fact that only lukewarm water is still produced. Heat sensors have also...
  4. K

    Req towel rads to come on separately from central heating

    I want to have my towel rads coming on in the summer. I know I can connect them to the flow pipe before the diverter valve so they come on whenever the boiler fires up. But should they be connected before or after the pump and does it matter where the return is connected
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