Utica-Dunkirk 550001527 Ignitor 319825-402 the 10728338 is the correct

the 10728338 is the correct technical match

5-foot harness simplifies Johnson Controls P499 wiring by providing clear lead identification for the supply voltage

these two part numbers are functionally identical

making it a staple for any contractor maintaining legacy or modern pneumatic infrastructure requiring accurate pneumatic switching action

High-Pressure Tolerance: Safely operates in pressurized systems up to 290 psi without compromising the internal bellows or diaphragm

Utica-Dunkirk 550001527 Ignitor 319825-402 the 10728338 is the correctFor service technicians and mechanical contractors, the Utica Dunkirk 550001527 Ignitor is a critical OEM replacement ignitor designed for gas fired heating systems. This high performance hot surface ignitor (HSI) is engineered for direct compatibility with Utica and Dunkirk boilers, ensuring efficient gas manifold ignition during the start up cycle. Unlike universal hot surface ignitors that may require bracket modification, this genuine ECR