Simplified Identification: Color-coded blue for rapid field verification of the spring range and pressure rating

Designed with a stainless steel outer jacket

The tool provides 3/16" and 1/4" square drives on one end

This heavy-duty thermocouple features a robust stainless steel outer jacket to resist heat blistering and environmental corrosion

York S1-025-26366-001 Limit Switch Simplified Identification: Color-coded blue forThe York S1 025 26366 001 is a high precision HVAC furnace limit switch engineered for critical temperature regulation within commercial and residential gas fired units. This OEM York replacement part features a standardized SPDT configuration designed to disrupt the burner circuit if heat exchanger temperatures exceed safe operating parameters. Operating on an auto reset thermal disk mechanism, the unit is calibrated for an operating temperature