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Utilizing genuine Carrier OEM parts like this 77 amp 3 pole breaker ensures exact mechanical and electrical fitment
maintaining alignment and calibration over extended duty cycles without the frequent need for field adjustments
Cold Climate Reliability: Essential for systems operating in low-ambient environments where cold-start damage is a frequent concern for contractors
while the TWN75 rating specifies suitability for wet or damp locations at a maximum of 75°C
The adjustable differential can be set by moving the internal lever
Lennox 38M64 Pressure Switch 320788-702 Utilizing genuine Carrier OEM partsThe 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
US$ 75.00
US$ 33.00
US$ 58.00