Description
The Utica-Dunkirk 240013045 is a Single-Pole Single-Throw (SPST) pressure switch calibrated to a 0.4″ water column (WC) set point. Designed as a genuine OEM replacement component for compatible Utica-Dunkirk boiler systems, this pressure switch plays a critical role in monitoring combustion air pressure and ensuring safe, efficient burner operation. When the required draft pressure is not achieved — such as during a blocked flue or inducer failure — the switch interrupts the control circuit, preventing unsafe ignition and protecting both equipment and occupants.
Key Features
- Genuine Utica-Dunkirk OEM replacement pressure switch
- SPST (Single-Pole Single-Throw) switching configuration
- Calibrated set point: 0.4″ WC (water column)
- Monitors combustion air/draft pressure for safe burner operation
- Interrupts control circuit if required pressure is not established
- Direct drop-in replacement for compatible Utica-Dunkirk boiler models
Why Pressure Switches Matter
Pressure switches are a key safety component in modern induced-draft and condensing boilers. The switch verifies that the draft inducer motor is operating correctly and that proper airflow is present before allowing ignition to proceed. A faulty or out-of-calibration pressure switch can cause nuisance lockouts or, more critically, allow unsafe operation — making timely replacement with the correct OEM part essential.
Application
- Designed for use with Utica-Dunkirk boiler systems
- Replaces worn, failed, or out-of-calibration original pressure switches
- Suitable for residential and light commercial hydronic heating applications
Specifications
- SKU / Part Number: 240013045
- Switch Type: SPST (Single-Pole Single-Throw)
- Set Point: 0.4″ WC
- Brand: Utica-Dunkirk
Order the Utica-Dunkirk 240013045 pressure switch from Jackson Systems for fast shipping and expert support on all your HVAC replacement part needs.







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