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  1. R

    Thread size / adapter

    Hi, I opened the box on a esbe mixer valve for our radiator system and it has completely the wrong fittings from what I ordered (threaded flat flange 3/4), instead it has 22mm compression olive fittings, plus it has a dent on the olive area so it wont seal. It has the flow specs when I checked...
  2. R

    Closed loop cirulation pump optimum location

    Hi, as previously posted, we've located a oil boiler in a outhouse at our rural french house, and am currently connecting it to a heatbank quad coil tank heatbank heatstore tank in the loft of the house. Pipe run is 28M long and a head of 7M up so have sized a capable pump, although the...
  3. R

    oil boiler retrofit - advice needed on location

    Hi, I have a small property in france, and it currently is heated by solar panels feeding a heatbank 350L multi coil cylinder in the loft running underfloor heating. Backup for cloudy days and winter is a 3phase immersion heater supplying 9kw of heat which mid winter can *just* keep pace with...
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