York S1-031-09164-000 Sensor 321894-709 Environmental Protection: The NEMA 4X

Environmental Protection: The NEMA 4X rated enclosure ensures reliable operation in washdown or corrosive environments

and the necessary washers for a secure fit on the piston damper actuator housing

In typical residential applications

The Berko 3900-2008-000 Motor is a high-performance 208-230V fan motor engineered for heavy-duty commercial heating applications

The Lennox 41K56 is a mission-critical Silicon Carbide Hot Surface Ignitor (replaces 41K5601 and LB-109261A) designed for high-performance combustion in Lennox furnace ignition systems

York S1-031-09164-000 Sensor 321894-709 Environmental Protection: The NEMA 4XThe York S1 031 09164 000 Sensor is a precision engineered 10K Ohm Type III thermistor specifically designed to monitor evaporator coil conditions during the defrost cycle. Featuring a 98 inch blue lead wire, this NTC (Negative Temperature Coefficient) sensor provides technical flexibility for varied cabinet routing, ensuring the thermal connection remains isolated from moisture rich environments. As an authentic OEM component, it maintains the