Lennox 80W57 Pressure Switch 319848-301 facilitating a direct plug-and-play installation

facilitating a direct plug-and-play installation without the need for field modifications

you must place the provided 500 Ohm resistor across the control signal input (gray) and common (black) wires

Installation Ready: Provided with necessary lead wires and terminal connectors for immediate field replacement

Is this valve body compatible with 3-way piping

It connects via a standard ECC-Nxx or Cat5 cable with RJ45 connectors

Lennox 80W57 Pressure Switch 319848-301 facilitating a direct plug-and-play installationThe Lennox 80W57 Pressure Switch is a critical safety component designed for single stage gas furnaces. This genuine OEM Lennox furnace pressure switch is calibrated to actuate at . 65" WC (water column), ensuring that the combustion air inducer motor is generating sufficient negative pressure before the ignition sequence begins. Engineered with a single pole single throw (SPST) configuration and Normally Open (N. O.) contacts, this switch protects