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Maintaining a precise seal is non-negotiable in pneumatic logic circuits to prevent pressure drops that compromise system calibration and response time
protecting windings from excessive heat
Using it on lower voltage systems may lead to control issues or improper valve operation
preventing air bypass that compromises indoor air quality
Replacing these seals with OEM 20-001-11 components restores the pressure-tight seal
Amana Goodman 11177118 Pressure Switch 320074-702 Maintaining a precise seal isThe Amana Goodman 11177118 Pressure Switch is an essential OEM furnace replacement part designed specifically for Goodman and Amana 2 stage gas furnaces. This high precision HVAC safety switch ensures your draft inducer motor generates the required vacuum of 0. 55" PF to allow for safe combustion and proper flue venting. Engineered with a Single Pole Single Throw (SPST) configuration and 1 4 inch terminals, this dual pressure switch provides reliable