Lennox 63W57 Pressure Switch Els PW 17895 Versatile Mounting: Included faceplates and

Versatile Mounting: Included faceplates and a steel mounting plate allow for easy installation directly to walls or standard electrical boxes

is a premium liquid line filter drier designed for high-performance moisture and acid removal in commercial refrigeration and air conditioning systems

High Dielectric Strength: Factory-tested to withstand up to 600 volts on a dry line with no flashover

Use a multimeter to check the resistance (ohms) across the leads

The Conbraco Industries 50-502-301 Valve is a 1/2 inch FNPT bronze 2-piece shut-off ball valve engineered for critical main burner gas applications

Lennox 63W57 Pressure Switch Els PW 17895 Versatile Mounting: Included faceplates andThe Lennox 63W57 Pressure Switch is a critical genuine OEM component engineered for precise furnace diagnostic monitoring. This SPST furnace pressure switch is factory calibrated with a 0. 55 . 95" WC pressure rating, ensuring the inducer motor provides sufficient draft for safe combustion. As a direct replacement for Lennox 56M22, the 63W57 eliminates compatibility guesswork during emergency service calls. It functions as a safety interlock,