Utica-Dunkirk 550003151 Flame Sensor Replacement Kit 320788-703 This replacement electrode is specifically

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

threaded fittings

this specific assembly is designed for 4-cell furnace configurations

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