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  1. M

    Replacing A Pull Cord Switch

    Hi, I am looking to replace a lighting pull cord switch, situated in an airing cupboard, which seems to have failed (I have tried using a number of working light bulbs in the applicable light socket, but with no effect). The current switch has three wires connected to it: red/black/earth. The...
  2. M

    Draining Down the CH System - Vaillant ecoTEC Plus 938 Combi Boiler

    Hi, I am looking to drain down the house CH system. We have a Vaillant ecoTEC Plus 938 combi boiler. I would be grateful if anybody could tell me if it is sufficient to just turn off the boiler before draining the CH system. Many thanks in advance. Mark
  3. M

    Vaillant ecoTEC plus 937 Boiler - Leak

    Hi, I have a Vaillant ecoTEC plus 937 boiler, which has a shift load storage tank to provide immediate hot water before the combi kicks in. The boiler has developed a leak, which appears to be coming from the area of the shift load storage tank area. My question is, is there a means to isolate...
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    Vaillant Ecotec Plus 937 - Drip from Overflow Pipe

    Hi, First time poster after some advice regarding a Vaillant Ecotec Plus 937. For some time now there has been a constant drip from the overflow pipe (the pipe from where the pressure relief valve vents). The drip happens whether the boiler is operating or not. The amount of water dripping...
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