S1-024-35929-000 York .15"WC SPNO Close On Fall # Sw

Replaces: 024-35812-000

🔧 Product Description: S1-024-35929-000

• Type: Pressure Switch

• Set Point: 0.15" Water Column (WC)

• Contact Configuration: SPNO (Single Pole Normally Open)

• Operation: Closes on a fall in pressure

• Function: Used to monitor and control airflow or pressure in HVAC systems—commonly in furnaces or air handlers to ensure safe operation

• Mounting: Compact design with standard bracket configuration

• Weight: ~0.13 lb

• Dimensions: 3.25" × 5.85" × 2.9"

🔄 Compatibility

• Fits: York HVAC systems using low-pressure safety switches

• Common Applications: Residential gas furnaces, packaged units, and air handlers requiring low-pressure cut-in

• System Role: Often used to verify inducer fan operation or airflow before ignition sequence begins

🧩 Replacement & Cross-Reference Part Numbers