motorised

  1. tygerbright

    Roof lantern - external powered shade idea

    Hi all We have a 2m x 1m roof lantern in the back of our property that we had fitted with our rear extension. It's great lets in lots of light and looks good BUT .... we have an issue where during summer months flies, bees and even butterflies come in via the patio doors and fly straight up to...
  2. S

    Viessmann Central Heating Wiring

    Hi Folks, Looking for a bit of help here. We moved into our current house in 2018 and have always had a bit of an issue with the heating. The boiler is a Viessmann 200-W WB2B system boiler, and the central heating is split into the zones, each controlled by a thermostat. The boiler is plumbed...
  3. M

    Honeywell v4073a1039 motorised 3 port valve: should moving lever to manual allow flow?

    I have a Honeywell v4073a1039 3 port valve in my heating system and now the hot water and the central heating work intermittently, though banging the valve with my hand seems to bring it back to life, sometimes briefly sometimes until it switches off whereupon on starting again many hours later...
  4. M

    EXPANSION TANK BOILING - PLEASE HELP!

    I moved into a 1980's house a few weeks ago. The house has a Ideal Heat 30 boiler in kitchen with cylinder in airing cupboard and tanks in loft. Under boiler there are 3 motorized valves, 2 for heating and 1 for HW. The 2 heating valves are wired together into stat (as there arent seperate zones...
  5. M

    2 port valve recommendation

    When my new boiler and unvented cylinder was installed 6.5 years ago a Salus 2 port valve was used. A couple of years ago the actuator failed and I replaced it. Now I notice the vavle itself is leaking at the point where it fits into the actuator i.e. the bit that turns! I'm assuming there's...
  6. D

    Quiet motorised zone valves - do they exist?

    Hi Read the forum loads in the past but first time posting... I've just had 2 Sunvic motorised zone valves fitted to control my new heating. One controls the under-floor in the living room, the other the rads in the rest of the house. The motors driving the valves to open / close make a...
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