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  1. D

    Vaillant ecotec plus 937

    My wife and I work from home in the extension so day time Monday to Friday we need heat in the extension and not in the house, then in the evenings and weekends we want heat in the house and not in the extension. I thought zoning was the best way to achieve this but TRVS valves my work...
  2. D

    Vaillant ecotec plus 937

    Zone1 1 is the main house 9 radiators Zone 2 is an extension with 3 radiators (49sqm)
  3. D

    Vaillant ecotec plus 937

    My system comprises ectotec plus 937 combi boiler, VRC 430 weather compensator with a VRC 693 sensor. I wish to add a second heating zone. Can I implement this by adding a motorized valve for each heating zone and controlling them by adding a VR 61 mixer module and VR 81 room temperature...
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