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Ships within 48 hours · Estimated delivery Sep 12 - Sep 17
Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
We recommend verifying your unit's parts manual before ordering
Durable Construction: Built with a cast bronze body and brass trim to resist corrosion and withstand fluid temperatures from 35
An insertion crankcase heater provides more efficient heat transfer by being submerged in a well within the sump
The double pole single throw configuration allows for simultaneous control of multiple electrical circuits
Lennox 38M78 Ambient Switch 318423-701 We recommend verifying your unit'sThis 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