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Re: Conservatory roof vents
- To: ukha_d@xxxxxxx
- Subject: Re: Conservatory roof vents
- From: "Ewen Cameron" <ewenjc@xxxxxxx>
- Date: Fri, 16 Jun 2000 13:57:50 -0000
- Delivered-to: rich@xxxxxxx
- Delivered-to: mailing list ukha_d@xxxxxxx
- Mailing-list: list ukha_d@xxxxxxx; contact
ukha_d-owner@xxxxxxx
- Reply-to: ukha_d@xxxxxxx
--- In ukha_d@xxxxxxx, Nigel Orr <Nigel.Orr@n...> wrote:
They can supply electric roof vents with a controller that monitors
temp and rain. They have several problems; they're very expensive,
they get confused when it's hot and wet (they constantly open and
shut till they bust - the conservatory company don't recommend them),
they may not be able to tell comfort they are open or shut and
comfort may not be able to override them.
The standard electric vents are operated by a switch so it should be
possible to control them.
> At 13:16 16/06/00 +0000, you wrote:
> >electric or automated. I don't think the automated ones can be
> >connected to Comfort to share info / override (shut vents when
alarm
> >set)
>
> Automatic greenhouse vents rely on expansion and contraction of wax
or oil
> to open and close, presumably these are the same. If so, external
control
> would be tricky, to put it mildly...
>
> Nigel
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