S1-02435261000 1"WC SPNO Close On Fall # Switch

Ensure safe and reliable furnace operation with this SPNO (Single Pole Normally Open) pressure switch, designed to close on pressure fall at 1" water column (WC). Ideal for systems requiring precise airflow verification, this switch helps prevent burner ignition under unsafe conditions.

• Part Number: S1-02435261000

• Switch Type: SPNO (Single Pole Normally Open)

• Set Point: 1" WC

• Action: Closes on pressure fall

• Application: Furnace airflow safety verification

• Weight: 0.456

• Package Dimensions: 10 × 12 × 12 in

• Vendor: Source 1

• Category: Pressure Switches

• Country of Origin / HS Code: Not specified

🔄 Compatibility & Use Cases

This switch is commonly used in Coleman, York, and other HVAC systems that require airflow verification before ignition. It’s a direct replacement for similar SPNO switches with a 1" WC set point.

• Typical Systems: Residential gas furnaces

• Mounting: Tubing and bracket mount (check unit specs)

• Function: Prevents ignition if blower or venting fails

• DGAE080CD furnaces. For replacement tubing, order B13-614.

  Replaces 024-35261-000, 02435261000, 024-27638-000, 024-27638-001 & 024-25996-000.