Lennox 71K11 Pressure Switch Els PW 29614 or a failing inducer motor

or a failing inducer motor before replacing the 11177117

Operating on a standard 24V AC circuit

physical warping from heat

excessive manifold gas pressure

Direct OEM Replacement: Replaces the discontinued 054981 model with the exact 3/8" SAE inlet and 1/2" SAE outlet flare specifications

Lennox 71K11 Pressure Switch Els PW 29614 or a failing inducer motorThe Lennox 71K11 Pressure Switch is a critical safety component designed for precise vent pressure monitoring in GHR26 series gas furnaces and compatible commercial HVAC units. This single pole, single throw (SPST) switch is factory set to actuate at 0. 75" WC (water column) and features an automatic reset function with a reset threshold of approximately 0. 90" WC. Engineered for durability in high demand environments, the 71K11 ensures the inducer