High Pressure Rating: Engineered to withstand industrial pneumatic loads up to 150 PSI

With an operating range of -40°F to 176°F

Enhanced Durability: The corrosion-resistant brass body and NEMA 4X rating ensure long-term performance in harsh indoor and outdoor settings

maintaining a gastight seal at the observation port is non-negotiable for safe combustion monitoring

verify that the damper is in its fail-safe position before tightening

Utica-Dunkirk 26589 Blower Wheel 321042-401 High Pressure Rating: Engineered toThe Utica Dunkirk 26589 Blower Wheel is a critical OEM component engineered for high performance air delivery in Utica and Dunkirk boilers and furnace assemblies. As a precise direct drive blower wheel, this unit is designed to meet strict static pressure requirements, ensuring the inducer or blower motor maintains correct CFM across the heat exchanger. Over time, vibrations or debris buildup can compromise the balance of a centrifugal fan wheel;