It is specifically required when installing FCM

It serves as the 05-279000-023 direct replacement

this motor is designed to withstand the high-static environments of outdoor condenser fan assemblies

this flame sensing rod is designed to withstand high-temperature combustion environments while minimizing carbon fouling

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Heil Quaker ICP 1005260 Pressure Switch 320735-701 It is specifically required whenThe Heil Quaker ICP 1005260 Pressure Switch is an essential safety component specifically engineered for Heil, Tempstar, and Comfortmaker gas furnaces. Functioning as a vent pressure switch, this genuine OEM replacement part ensures the draft inducer motor is operating at the necessary RPM to properly exhaust combustion gases through the flue. If the inducer fails to create the required vacuum pressure, the switch remains open, effectively breaking