Recent content by waldovanwyk123

  1. W

    Help with combi boiler timer switch

    Look, I'm a newly trained plumber and I'm trying to learn how to do it. So, there is no point in getting someone else to do it, surely it's not rocket science as it only has 5 connections. Please can you take 2 min to explain to me.
  2. W

    Help with combi boiler timer switch

    I have no idea what that means ......
  3. W

    Help with combi boiler timer switch

    I need help to wire up my combi boiler's new timer switch. The boiler is a Vaillant VCW 242 EB and the timer switch is a sunvic select 107. I have the following connections on the timer switch 1. mains N 2. mains L 3. com 4. off 5. on The roomstat goes directly to the boiler and...
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