vacuum relief valve

Sci-Tech Dictionary: vacuum relief valve

(′vak·yəm ri′lēf ′valv)

(engineering) A pressure relief device which is designed to allow fluid to enter a pressure vessel in order to avoid extreme internal vacuum.

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An automatic valve that opens and closes a vent for relieving a vacuum within a hot water supply system.

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	How much it costs to replace a vacuum cutoff valve and vacuum cutoff bypass valve for a 2000 nissan sentra as iam getting a ses light the error code is p1491? Read answer...
	Why does the pressure relief valve still leak after replacing the valve 2 times. The unit is only 3 years old? Read answer...
	What is the difference between an air bleed valve and a pressure relief valve on a boiler? Read answer...

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	How do you replace broken 1981 C-10 after market manual shutoff valve in water heater hose w OEM vacuum operated valve as I am unsure which way valve installs and do not know its vacuum connections?
	What is the difference between pressure relief valve and surge relief valve?
	What could be wrong with my 94 toyota paseo. changed the o2 sensor new flex pipe vacuum modulator valve some vacuum lines pvc valve fuel filter and new gas cap. Check engine light still comes on?

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		Sci-Tech Dictionary. McGraw-Hill Dictionary of Scientific and Technical Terms. Copyright © 2003, 1994, 1989, 1984, 1978, 1976, 1974 by McGraw-Hill Companies, Inc. All rights reserved. Read more
		Architecture. McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc. All rights reserved. Read more