Goodman air pressure switch. -0.75 PF (-0.75" WC). Includes mounting bracket. Used on the following units: GMT115-5, GMT135-5, GMT140-5, GDT090-4, GMTH115-5, GMNT120-5, GDS80904BNA, GDS80904BXA & GMS81405DNA.
Also known as part number B13701-79.
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1 Year Warranty on ALL parts!