York Parts S1-02435738000 Furnace Door SwitchThe York furnace door switch (S1 02435738000) is a crucial safety component that prevents the furnace from starting when the access door isnt properly closed. This York furnace door switch ensures reliable interlock function, protecting both your system and your home. Designed as an OEM replacement for York systems, it delivers dependable performance in a compact, easy to install package. This part is ideal for furnace door switch replacement projects

This valve uses Liquid Propane Gas and is designed for use with the Defender Safety System and TTW/M1TW series

Application: Steam and heating zone valves

150 PSI at 240°F (water)

helping maintain comfortable room conditions

Voltage rating: 370V

delivering reliable overheat protection and simple integration into your heating setup

the DM75T125

and a temperature rating of 250°F

Key specifications include a nominal size of 1/4 inch with end connections Female Threaded x Female Threaded

This open-enclosure motor runs on 115 Volt AC

5 inches and an adjustment range from 2

Built for long-term stability in challenging settings