Inches of Water conversion

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Inches of Water

Abbreviation/Symbol:

wc

inch water column (inch WC)

inAq

Aq

in H2O

Unit of:

Pressure

Wordwide use:

Inches of water is mainly used in North America, for measuring small pressure differences. The low relative size of the units lend it to use in measuring the pressure of air supplied to a pipe organ and natural gas distribution.

Definition:

1 inch of water is the pressure exerted by a 1 inch high column of water at a given temperature

Common references:

Residential gas equipment in the US is rated to a maximum of 14 inches of water

Usage context:

Inches of water is mainly used in North America, for measuring small pressure differences. The low relative size of the units lend it to use in measuring the pressure of air supplied to a pipe organ and natural gas distribution.