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Mechanism for closing extract vent

  • 13-10-2013 7:27am
    #1
    darragh_haven
    Closed Accounts Posts: 3,433 ✭✭✭


    Im looking for a mechanism to close off the extract fan pipe when its not being used. The reason for this is that I have an airtight house but I dont like the recirculation hoods with charcoal filters. There will be a 100mm pipe through the wall to the outside. Hopefill it could be electricity operated as I have a switch on the wall next to the hood for it.
    Does anyone know what exactly I should be looking for? And where I could get one.


Comments

  • #2
    Tokyo
    Registered Users, Registered Users 2 Posts: 22,656 ✭✭✭✭Tokyo


    I've seen bathroom extractor fans with a built in iris that automatically open and close when the fan is powered up/down. This the kind of thing you're looking for?


  • #3
    fclauson
    Registered Users, Registered Users 2 Posts: 1,691 ✭✭✭fclauson


    I looked into this - check out "motorised Dampers" on google - one of the HRV/Ventalation vendors should be able to supply.


    I concluded (rightly or wrongly) that we rarely use the extractor as we do not fry much - a good recirc with a decent grease filter would do most of what I needed.

    The motorised damper seem to me just one more thing to go wrong etc


  • #4
    rockabaloo
    Registered Users, Registered Users 2 Posts: 103 ✭✭rockabaloo


    I'd agree. Suppose each to their own but most of my cooking generates stream and not grease cos I rarely fry and I don't intend wasting that good heat by throwing it outside.


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