York Parts S1-02435738000

The York furnace door switch (S1-02435738000) is a crucial safety component that prevents the furnace from starting when the access door isn’t 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 and serves as a trusted HVAC safety component for ongoing peace of mind. Built to meet strict OEM specifications, it combines compatibility with durable construction for long-lasting operation in a range of York units.

• OEM York part S1-02435738000 for reliable compatibility
• Easy installation with standard wiring and connectors
• Prevents furnace startup when the door is open for safety
• Durable switch designed for extended service life
• Suitable for select York furnaces and HVAC systems