Lennox 38M64 Pressure Switch 320788-702 specifically engineered for York

specifically engineered for York

Utilizing genuine Carrier OEM parts like this 77 amp 3 pole breaker ensures exact mechanical and electrical fitment

Industrial-Grade Build: Constructed to withstand the thermal stresses found in burner compartments without performance degradation

Designed with a rugged brass body and durable EPDM diaphragm

Cold Climate Reliability: Essential for systems operating in low-ambient environments where cold-start damage is a frequent concern for contractors

Lennox 38M64 Pressure Switch 320788-702 specifically engineered for YorkThe Lennox 38M64 Pressure Switch is a critical safety component designed for precise draft pressure monitoring in residential and commercial HVAC systems. This OEM Lennox furnace part is factory calibrated to a set point of 1. 95" WC (Water Column), providing the exact differential pressure required to verify inducer motor operation and flue gas venting. Engineered as a direct replacement for Lennox 38M6401, this component ensures your furnace or air