The McDonnell & Miller 176319 Electrode is a high-pressure probe designed specifically for industrial hydronic and low-pressure steam systems

ensuring safe operation within 120V electrical systems

the 71488512 actuator includes a 96-inch lead wire for versatile installation across various cabinet configurations

Always verify the maximum design pressure (PS) of the system before installation

Utica-Dunkirk 550002583 Control Module R-410A The McDonnell & Miller 176319The Utica Dunkirk 550002583 Control Module is the designated OEM boiler control replacement for high efficiency hydronic systems. This unit is the primary integrated furnace control board, engineered to orchestrate the ignition sequence, blower timing, and safety circuit monitoring for Utica and Dunkirk condensing gas boilers. As the direct successor to the legacy 550002298, it ensures seamless HVAC system diagnostics and maintains strict operational