Re: Controlling Heating

["stuartgrimshaw" <stuart@xxxxxxx>]

--- In ukha_d@y..., "Nikola Kasic" <nikola@k...> wrote:
> Stuart,
> One general question:
> If I want to control central heating in each room individually, 
each
> radiator has to have some kind of valve which is operated
remotely.
> I asume that they will need power, so each radiator will need two 
cables,
> one for power and one for control signal.
> Is there any way to reduce that cabling, so we don't need to 
rewire house?
> Also, putting power socket into bathroom is against regulations, I
think.

As Paul points out, there are 12v valves, so you could use CAT5 or 
alarm cable to transfer the power to operate them.

That way you only need low rated relays, but I'm not sure if AM12U's 
are what you want to control them. More likely a relay board for 
your PC or homevision.

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