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This replacement electrode is specifically configured to integrate with Fenwal ignition modules
The module features internal jumpers that let you select between current (0-20 mA) and voltage (0-15 VDC) inputs
wheel housing
making it a direct-fit solution for technicians servicing residential and light commercial HVAC units
Specific Refrigerant Calibration: Hard-coded for R-410A systems
Utica-Dunkirk 550003151 Flame Sensor Replacement Kit 320788-703 This replacement electrode is specificallyThe Utica Dunkirk 550003151 Flame Sensor Replacement Kit is a critical OEM boiler part designed for precise flame rectification in high efficiency heating systems. As a veteran tech knows, a fouled or oxidized sensor is the leading cause of intermittent furnace flame sensor failure and nuisance ignition lockouts. This genuine Utica Dunkirk replacement ensures the control board receives a steady microamp signal, maintaining burner continuity and system
