It is designed to handle high heat stress and resist corrosion

Service Inventory Ready: Provided in a kit of 10 to support full assembly replacement or to keep as essential truck stock for various Raypak gas heater models

Universal Voltage Compatibility: Operates seamlessly across a range of 18-240 VAC/VDC for broad application support

Simplified Maintenance: Designed for rapid field replacement within the internally mounted drain trap

York S1-025-27723-001 Limit Switch It is designed to handleThe York S1 025 27723 001 is a critical safety component designed for high limit temperature monitoring in residential and commercial gas furnace platforms. This furnace limit switch operates on a 60 70F differential, providing automated cut off and reset capabilities to protect the heat exchanger from thermal stress and overheating. As a genuine OEM York replacement part, it ensures precise calibration for specific air handler and furnace