• Looking for a smarter way to manage your heating this winter? We’ve been testing the new Aqara Radiator Thermostat W600 to see how quiet, accurate and easy it is to use around the home. Click here read our review.

Search results

  1. 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...
Back
Top