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  1. M

    Envirovent EVL-H unit - wireless controller?

    I have a Envirovent EVL-H unit in my new build (whole house positive ventilation). It was making the whole house really cold, I found the until has been running constantly on ‘boost’ setting. When I’ve adjusted it to medium it’s made a big difference. When reading the installation guide online...
  2. M

    Bathroom extractor fan - backdraft excluder?

    We have a wall fan in our en-suite bathroom, with it being a small area it’s always cold & to top it off, near our property there is a recycling centre that dries / burns wood - as you can imagine the smell of smoke fills our bedroom. I believe there are draft excluders which can be placed...
  3. M

    Valiant VR66 combining two heating zones into one

    We have a Valliant boiler with a VR66 wiring centre. Currently we have two heating zones (upstairs and downstairs) on CH1 and CH2 fed from the VR66. We also have DHW controlled through the VR66. Due to the layout of our house (open foyer / landing) when we operate either zone 1 or zone 2...
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