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Air Pressure Sensing Switch - Universal Goodman/Amana/Janitrol - .37" W.C.-Normally Open - #20197312

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$16.50 (You save $13.50)

Product Description



Goodman/Amana/Janitrol Air Pressure Sensing Switch

 Air Sensing Switch - NO (normally open) - Inducer pressure switch designed for residential furnace and light commercial aftermarket applications. W.C. - .37 - Ideal for numerous residential and light commercial HVAC applications. Made by Goodman but will work on most furnaces with normally open contacts, negative pressure and a W.C. of .37 - 1 port, 2 wire switch - #20197312


The thermoplastic housing contains a diaphragm and snap-acting switch. Barbed sample line connector accepts flexible tubing. The electrical connection consists of male quick connect terminals. 

A furnace pressure switch is a safety device located near the draft inducer motor. The pressure switch will prevent operation of the furnace if correct venting air pressures are not detected.

The furnace pressure switch is designed to sense the negative pressure created by the draft inducer motor at furnace start up and to shut down furnace ignition if proper differential air pressures and venting are not maintained.

If pressure switches fail they must be replaced by one rated according to the manufacturer's specifications.

















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