Lennox 26W42 Pressure Switch 320788-704 Reduces mechanical wear on internal

Reduces mechanical wear on internal gaskets and seals by filtering out abrasive particulates

The unit features an integrated LED status indicator for real-time visual diagnostics and a Normally Open (N

Standardized Fit: The 1/2" bore on the intake side fits standard condenser motor shafts

Enhanced Safety: Engineered as a fail-safe to prevent heat exchanger damage or water overflow during condensate management failures

installing this genuine 100092683 ignition part is the most reliable way to resolve common "no heat" calls and lockout errors

Lennox 26W42 Pressure Switch 320788-704 Reduces mechanical wear on internalThe Lennox 26W42 Pressure Switch is a critical OEM component designed for high efficiency two stage furnace operation. Engineered to monitor and regulate inducer motor performance, this switch features precise dual factory set points of 0. 55" W. C. (Low) and 0. 95" W. C. (High). As a veteran grade HVAC replacement part, it ensures the sequence of operation is maintained by verifying proper vacuum pressure before allowing the ignition process to