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I'm going constant circ this year and

...but once you experience proportional it's hard to imagine anything better.


  • hr
    hr Member Posts: 6,106
    don't try to talk me out of it :)

    I'm thinking this Caleffi approch. The HydroLink serves as my primary loop and purger. Inexpensive 3 way zone valves are the means for constant circ. a modulating heat source will be weather responsive (outdoor reset)and should keep the system flowing from 68° outside and down.

    This 3 way zone valve was our old friend Dan Peel's favorite piping method, May he rest in peace.

    hot rod

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  • Dan_15
    Dan_15 Member Posts: 388

    So am I, and this will be my constant circ.
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