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Enhanced Protections: Features an onboard 3-amp fuse and solid-state fan blower control logic to prevent common failures associated with mechanical timers
As a genuine BASO Gas Products component
Enhanced Safety: Provides reliable thermal protection to prevent heat exchanger cracking and potential fire hazards
Engineered for high-performance HVAC gas furnace models
reliable installation in the field
Lennox 73W33 Pressure Switch 318518-761 Enhanced Protections: Features an onboardThe Lennox 73W33 is a high precision dual stage pressure switch engineered for specific Lennox furnace models and air handlers. This OEM replacement pressure switch serves as a critical safety component, monitoring the pressure differential within the combustion blower. With setpoints calibrated at . 68 . 35 WC, it ensures proper venting and blower performance before allowing the ignition sequence to proceed. As a two stage pressure switch, it manages
