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  1. T

    Switchmaster to Hoenywell wiring

    The black wire is in the junction box where all the wires terminate to. The black wire comes from the thermostat on the immersion tank (i think from memory). When the heating comes on i get 240vac to it. I have been told to link the terminals that had the red and orange together but if i do this...
  2. T

    Switchmaster to Hoenywell wiring

    I have replaced my 3 port valve with a Honeywell 3 port mid postion and have the situation of orignal 6 wire connection to 5 wire and not working properly. I have connected the wiring as per a post i found but the central heating when activated turns the boiler on and the pump so that works...
  3. T

    switchmaster valve

    I have replaced my 3 port valve with a Honeywell 3 port mid postion and have the situation of orignal 6 wire connection to 5 wire and not working properly. I have connected the wiring as per a post i found but the central heating when activated turns the boiler on and the pump so that works...
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