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  1. J

    Central heating problem

    ***Grant Vortex Pro external combi 26e*** I drained down my central heating system yesterday so that I could drop some pipes down below the floorboards. Now the heating won't work. Have you got any ideas before I call someone in? So far I have... #Bled all radiators. #Pressed service...
  2. J

    Honeywell thermostat/receiver problem

    Hello, I have a Honeywell HCW80 room thermostat and HC60NG relay unit connected to a oil combi boiler. All has been working fine until recently. The heating will not start at the required time unless I press the button on the relay unit (occasionally needs to be pressed twice). The boiler...
  3. J

    Grant outdoor vortex pump overrun

    The boiler is heating the hot water and central heating fine but there is a problem with the pump over run. It seems to run for a totally random amount of time from about 10 minutes to overnight. I think that the overrun on this boiler is controlled by an electrical timer than a thermostat...
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