Utica-Dunkirk PB00903 Flame Sensor Freon Verify your specific model against

Verify your specific model against the 5H0750020003 part number for 100% compatibility

As the direct replacement for 5H54751-40

Contractor Grade: Durable construction reduces callbacks by providing dependable pilot-to-main-burner transitions under high-demand cycles

This cold control kit is designed with a constant differential of 13°F

Direct OEM Fit: Drop-in compatibility replaces the discontinued 023-0039-01 model

Utica-Dunkirk PB00903 Flame Sensor Freon Verify your specific model againstThe Utica Dunkirk PB00903 Flame Sensor is a specialized mercury flame sensor engineered for precision flame monitoring in cycling pilot ignition systems. As an E type mercury sensor with a bulb style #19, this component is essential for detecting the presence of a pilot flame and allowing the main gas valve to energize. The 48 inch capillary length provides sufficient reach for various HVAC burner box configurations, making it a versatile OEM