MARS 43307 Pressure Switch 320788-702 Universal compatibility with various Lennox

Universal compatibility with various Lennox gas-fired equipment requiring a #42 drill size

Reliable Performance: Featuring a mechanical life rating of 10 million cycles and an operating range of -30 to 140°F for harsh mechanical rooms

If the flame sensor does not confirm combustion within these 7 seconds

this 75VA control transformer provides the consistent current capacity necessary to prevent voltage drops that cause intermittent system locking or erratic operation

MARS 43307 Pressure Switch 320788-702 Universal compatibility with various LennoxFinding a reliable replacement for high pressure cut out applications requires components that withstand rigorous cycling. The MARS 43307 Pressure Switch is a heavy duty, capsule type control engineered for HVACR system protection and compressor safety. This specific high pressure switch features an SPST open on fall configuration, calibrated for 400 PSI cut in and 300 PSI cut out. Rated for R 410A compatibility and other high pressure refrigerants,