Lennox 98M69 Pressure Switch 30067439-890 always verify terminal-to-terminal wiring compatibility

always verify terminal-to-terminal wiring compatibility for older retrofits

it should be mounted in the upright and level position

The 1/2-inch threaded stem is compatible with a wide range of pneumatic and electric actuators

also cross-referenced with K48HXCES-132 and 7A000

The sensor includes a universal steel mounting plate for surface installation and is compatible with both horizontal and vertical orientations

Lennox 98M69 Pressure Switch 30067439-890 always verify terminal-to-terminal wiring compatibilityThe Lennox 98M69 High Pressure Switch is a critical safety component designed for high performance HVAC systems, specifically engineered to monitor and regulate refrigerant pressures within the compressor circuit. This 410 210# pressure switch functions as a fail safe, featuring a manual reset mechanism that trips at 410 PSI and allows for system restart once pressures stabilize at 210 PSI. It provides essential protection against catastrophic