the 1/8" NPT vent port should be piped to a safe outdoor location or fitted with a vent limiter depending on local mechanical codes and proximity to the burner

Industrial Durability: Rated for high-humidity environments (up to 95% condensing) to ensure reliable operation in outdoor enclosures

Robust Control Logic: Manages HSI (Hot Surface Ignition) systems with optimized timings to ensure reliable burner ignition and efficient blower operation

If the wheel is out of balance or has bent fins

Utica-Dunkirk 1035002 Blower 322838-753 the 1/8" NPT vent portThe Utica Dunkirk 1035002 Blower is an OEM 120V modulating inducer motor assembly designed for precision combustion control in high efficiency gas fired condensing boilers. Engineered as a direct replacement part for Utica and Dunkirk boiler components, this assembly ensures the correct air fuel mixture across the units full firing range. The 120V modulating blower interfaces with the integrated boiler control to adjust RPM based on heating demand,