Lennox 38M78 Ambient Switch 318518-761 High Pressure Rating: Robust design

High Pressure Rating: Robust design with a maximum working pressure of 650 psi

Use the tee handle on the aluminum spring cage

Optimized for Propane: Specifically calibrated for LP gas heating systems with a fixed 10" WC pressure setting for consistent burner performance

The EPDM diaphragm in the Danfoss 032U6534 is typically rated for fluid temperatures ranging from -22°F to 212°F

maintaining the integrity of the burner manifold

Lennox 38M78 Ambient Switch 318518-761 High Pressure Rating: Robust designThis Lennox 38M78 Ambient Switch is a critical pressure actuated component designed for head pressure control in low ambient cooling applications. Engineered for precision, this low ambient pressure switch ensures reliable operation of your HVACR system when outdoor temperatures drop, preventing compressor slugging and maintaining the necessary pressure differential for efficient thermal transfer. The Lennox 38M7801 features a specific cut in point of