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  1. I

    SAUNIER DUVAL HELP PLEASE...It has cost me £300 so far

    The hot water is fine and the boiler goes on and off as normal. When I turn the heating 1 red light goes on then the main light goes back to green is that ok?
  2. I

    SAUNIER DUVAL HELP PLEASE...It has cost me £300 so far

    Thanks again. How will I know if they our on the wrong sides of the Rads etc. Is the boiler ok, when I touch the red slide switch when the banging starts the noise stops straight away and also when the banging starts and I turn off the BOILERnoise stops, could it be the slide switch. cheers
  3. I

    SAUNIER DUVAL HELP PLEASE...It has cost me £300 so far

    Thanks for telling me what they our, so is it ok to leave them off? The RADS can not blow up can they or the boiler? Thank you
  4. I

    SAUNIER DUVAL HELP PLEASE...It has cost me £300 so far

    Hi Can anyone help me by Thema F23E has just been fixed and now I am getting noisy banging after about 3 hours of being on. I have checked for air in Rads drained the system and re-filled and still this banging. I have got funny plugs on the end with numbers 1 to 5 and when I turn the upstairs...
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