Lennox 86M36 Pressure Switch 320720-756 this is the correct replacement

this is the correct replacement

How do I test if the solenoid coil has failed

maintaining the agency listings of the burner

you aren't looking for standard hardware-store components

this thermal expansion valve part ensures seamless integration with existing take-apart expansion valve assemblies

Lennox 86M36 Pressure Switch 320720-756 this is the correct replacementThe Lennox 86M36 High Pressure Switch is an essential OEM safety component designed for precise refrigerant monitoring in residential and commercial HVACR systems. As a normally closed (N. C.) switch, this unit provides critical compressor protection by initiating a system cut out when discharge pressures exceed 590 PSIG. Engineered for high stakes environments, the 86M36 features an automatic reset that restores circuit continuity once the pressure