York Parts S1-02435308000 Gas Furnace Air Pressure Switch

Gas Furnace Air Pressure Switch from York Parts S1-02435308000 provides essential safety for your heating system by monitoring combustion chamber pressure and signaling a fault when it drops outside the safe range. This reliable switch helps prevent unwanted furnace lockouts and ensures a consistent, safe startup every time.

Rated at 0.60 in. wc (0.60 IWC), this air pressure switch delivers precise sensing and dependable performance as a genuine York parts replacement. It serves as a dependable gas furnace replacement part for maintenance or repair, maintaining proper air flow control and system safety.

Designed for durable operation in common furnace environments, the switch integrates with standard control circuitry and is easy to install on compatible York gas furnaces.

• Model: S1-02435308000
• Pressure rating: 0.60 in. wc (0.60 IWC)
• Function: Safety switch that protects ignition and gas valve operation
• Compatibility: OEM replacement for select York gas furnaces
• Installation: Quick-swap design with standard fittings