Lennox 10W35 Pressure Switch 320788-704 This model functions as the

This model functions as the direct replacement for the HE-67S3-0N00P

Standardized Integration: Features a 24V gas valve solenoid for universal compatibility with standard HVAC control boards

Always verify the part number against your specific unit’s bill of materials

ensuring high durability and resistance to scaling or erosion

HKR series) to ensure the wattage matches the original engineering specifications for your unit

Lennox 10W35 Pressure Switch 320788-704 This model functions as theThe Lennox 10W35 Pressure Switch is a mission critical OEM safety component designed for high pressure monitoring in Lennox HVAC systems. Engineered as a 590 PSI high pressure cut out switch, this manual reset pressure switch (M R) acts as a hard stop to protect the compressor and refrigerant circuit from catastrophic over pressure conditions. Operating on a 24V SPST circuit, it features 1 2 inch NPT HVAC pressure switch fittings and 25 inch yellow