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vacuum breaker

targetman
targetman Member Posts: 105
in Strictly Steam
Our company substituted hoffan #75 air vents for vacuum breakers.  This is on a steam coil in a Trane air handler.  What problems could I expect to see if any?

Comments

  • Jamie Hall
    Jamie Hall Member Posts: 25,644
    The question

    really is, what is the steam pressure the air handler runs at?  If the Hoffmanns are rated for that pressure, I don't see why there would be a problem.  The 75 is rated for 3 psig; the 75H is rated for higher pressures.
    Br. Jamie, osb
    Building superintendent/caretaker, 7200 sq. ft. historic house museum with dependencies in New England
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