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  1. J

    Saunier duval 30e hot water erratic

    The heating works ok but hot water will suddenly go cold,does this mean a new switch on dhw microswitch ,does this also mean emptying the boiler of water
  2. J

    how to find the wattage of soil heating cable with multimete

    I need to find the wattage of a soil heating cable and as I have a multi metre ,what setting do I put the meter on to find this out?
  3. J

    how to drain hot water only on Saunier Duval 30e

    I need to drain down the hot water system and also release the boiler pressure.Will shutting the hot water outlet off,and shutting the cold feed in ,as well as draining the hot taps do this?I know it will take the hot water out of the pipe but will it release the boiler pressure?
  4. J

    saunier duval lockout problem

    My combi boiler goes to lockout everytime I draw hot water or use the heating,although once the heating is running it will run for ages if the thermostat is set low .The problem started when new switches were fitted after draining down,many whooshes and gurglings were heard but have disappeared...
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