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    Zone valves better on return? (4 Posts)

  • JimX JimX March 6, 2010 @ 6:57 PM
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    Zone valves better on return?

    Are zone valves better on the return than on the supply?
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  • JStar JStar March 7, 2010 @ 8:06 PM
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    I've found.

    No significant difference on any jobs I've done, although I like to keep zone valves on the suction side of the pump to reduce noise on closing. And if you pump on the supply, they'll always be on the return.
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  • JimX JimX March 7, 2010 @ 8:46 PM
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    suction side

    Thank you, I think I will put my new setup that way.
    Jim
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  • heatboy heatboy March 13, 2010 @ 1:08 PM
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    I prefer the supply side.....

    ...... if for no other reason than to assure there is no migration flow in the "off" zones.  If I were to put them on the return side, I would either use thermal traps or checks on each supply. 
    heatboy

    The Radiant Whisperer


    "The laws of physics will outweigh the laws of ecomomics every time."
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