Replacing the upper stem wiper during service prevents debris that has accumulated on the stem from being pulled into the new stem packing

Key Benefits Precise Thermal Protection: Engineered with a 175°F opening threshold to prevent heat exchanger damage and ensure safe operating parameters

and Berko CUH series cabinet heaters

Direct Compatibility: Engineered as the official successor to multiple legacy parts

Optimized Combustion: Specifically calibrated for LP gas conversion

York S1-024-35798-000 Switch Replacing the upper stem wiperThe York S1 024 35798 000 Switch is a high performance 1 SPDT auxiliary switch designed specifically for terminal integration within 3 pole and 4 pole contactor assemblies. As a genuine HVAC OEM replacement part, this auxiliary component enables secondary circuit control, allowing technicians to manage blower motors, indicator lights, or safety interlocks simultaneously with the primary load. Rated for industrial HVAC electrical control, it supports