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  1. C

    Wiring 4x outside security lights with PIRs

    What I am trying to do is install 4 lights (3x 150W & 1x 500W) around the house and have them so that when 1 sensor is triggered, all 4 lights come on. The lights all have 4 terminals in them, L, N, E and L1. I also need an override switch in the garage and one upstairs, although the upstairs...
  2. C

    Need to Increase Boiler Pressure

    I currently have a Ferroli Optima 700 combi boiler and there is a problem with the water pressure in the boiler. The pressure indicator is at 0 bar and there is lots of air in the radiators and central heating system. I know I need to add more water to the boiler to increase the pressure...
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