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weatherproof frost stat

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    #32
    Bruthal
    Closed Accounts Posts: 13,422 ✭✭✭✭Bruthal


    It should do, your circuit looks perfect.

    My setup is like your own, no valve on the HW cylinder coil. Radiators have one where the feed out from boiler splits at the cylinde, but that never closed of the water properly. One of these days i will get round to sorting it all.


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    #33
    M cebee
    Closed Accounts Posts: 4,431 ✭✭✭M cebee


    it wouldn't be the usual way of protecting the system as the stat doesn't respond to the boiler on

    but still i'd prefer it if the pipework is dodgy coming in
    hopefully that's the right sketch with the overrun back in


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    #34
    Bruthal
    Closed Accounts Posts: 13,422 ✭✭✭✭Bruthal


    Yea thats it now. Would of been exact same just to parallel the over-run stat n/o contacts with the A1 contact feeding the pump in your last drawing either.

    If your going to be leaving the house for days etc, id say 20 degrees would do on the return pipe stat controlled by frost stat. Minimise oil use.


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