Leak-Proof Connection: Supplied with a resilient Teflon gasket to establish a dependable mechanical seal against the Rotalock face

provided the supply wiring is sized correctly for the total unit load

It should be installed in a protected control cabinet or a location away from direct weather and contaminated atmospheres to protect the internal circuitry

Leak-Proof Connections: Features precision-machined 1/4" SAE flare fittings for a secure

and 36E38-301

Lennox 57M66 Pressure Switch 340793-762 Leak-Proof Connection: Supplied with aThe Lennox 57M66 Pressure Switch is a critical safety component designed for precise combustion air proving in high efficiency gas furnaces. Factory calibrated to actuate at 1. 41" WC, this Single Pole Single Throw (SPST) switch ensures the inducer motor is generating sufficient static pressure to vent flue gases safely before allowing the ignition sequence to proceed. As a genuine OEM replacement part, it maintains the exact specifications required