Two way zone valve

James Ascherl Posted By James Ascherl, Nov 20, 2011 at 5:39 AM

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  1. James Ascherl

    James Ascherl
    Member

    Jun 6, 2010
    77
    0
    Loc:
    Hinckley, Ohio
    I have installed a Taco 573-2 zone valve at the top of my storage. Water will flow both directions depending on whether the tanks are charging or the demand is from storage. The valve has a directional arrow on it. Which way should I install it?
     
  2. bupalos

    bupalos
    Member

    Jan 26, 2009
    174
    5
    Loc:
    ne ohio
    bump, because I don't know the answer here but need to.
     
  3. in hot water

    in hot water
    New Member

    Jul 31, 2008
    895
    2
    Loc:
    SW Missouri
    If it has a directional arrow, then is is designed to flow one direction. Most two way zone valves are designed to shut off against flow with a spring return or thermo electric operators. Those big, boxy White Rogers 1311 could possible flow either direction. It has a slotted spool and motors open and close.can

    A three way zone valve can flow one of two different directions. Or a motorized ball valve could flow either direction.

    hr
     
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