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Formula for converting psi to inches of w.c.

JEEPSTER
JEEPSTER Member Posts: 1
in Gas Heating
NEED A SIMPLE FORMULA TO CONVERT PSI TO INCHES OF W.C. FOR SIZING A GAS REGULATOR FOR A 2" GAS LINE TO DROP 20 IN W.C. TO 6 FOR A REZNOR GAS MAKE UP AIR UNIT .

Comments

  • Tim McElwain
    Tim McElwain Member Posts: 4,641
    Pounds to inches

    water column is this there are 27.6 inches water column to a pound of pressure .

    All you need is a maxitrol regulator which will reduce pounds to inches and get one that can operate in the range of 6" W.C. mid point.

    Why is the pressure to the unit 20"? Most system regulators before the meter drop pressure from pounds to about 6" to 7" W.C.
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