Description
York S1-024-25329-706 Pressure Switch Overview
The York S1-024-25329-706 is an OEM replacement pressure switch engineered for use in York heating systems. Rated at 1.6″ water column (WC), this Single Pole Normally Open (SPNO) switch is designed to close its contacts upon a fall in pressure — a critical safety function in induced-draft and condensing furnace applications. When the draft inducer motor is operating correctly and sufficient negative pressure is established, the switch remains in its normal open state; if pressure drops below the setpoint, the switch closes to signal the control board and prevent unsafe operation.
Key Features
- OEM York replacement part — ensures proper fit and function in compatible York systems
- Set point: 1.6″ WC (water column)
- Switch type: Single Pole Normally Open (SPNO)
- Action: Closes on pressure fall — monitors inducer draft pressure for safe furnace operation
- Designed for induced-draft and condensing furnace applications
- Provides critical safety interlock to protect against improper venting or blocked flue conditions
Application
This pressure switch serves as a safety device in York furnaces, verifying that the draft inducer is generating adequate negative pressure before allowing the ignition sequence to proceed. It protects against hazardous conditions such as blocked flue passages, failed inducer motors, or improper venting — helping ensure safe and reliable furnace operation season after season.
Why Choose OEM York Parts?
Using genuine York OEM replacement components like the S1-024-25329-706 ensures compatibility, maintains system warranty integrity, and delivers the performance specifications your equipment was designed to meet. Always verify your unit’s model and wiring diagram before installation.
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