Lochinvar & A.O. Smith 100233489 Ventilation Fan 30067439-890 Built with a rugged brass

Built with a rugged brass body and a stainless steel ball seat

ensuring zero-clearance fitting issues

Engineered with an R23MM internal diameter

Extended Sensing Probe: The 5-inch shank ensures the sensor is properly submerged to record real-time fluid temperatures rather than ambient pipe heat

and HVACR applications like refrigeration units and cooling towers rather than direct human consumption lines

Lochinvar & A.O. Smith 100233489 Ventilation Fan 30067439-890 Built with a rugged brassThe Lochinvar & A. O. Smith 100233489 Ventilation Fan is a critical OEM replacement component designed for high efficiency boiler and water heater combustion systems. This axial fan assembly, also identified by part numbers FAN2027 and FAN2027K, operates on 115VAC power at 50 60Hz. As a veteran grade ventilation fan replacement, it facilitates the precise movement of air into the combustion chamber while ensuring the safe extraction of flue gases.