Lochinvar & A.O. Smith 100233489 Ventilation Fan 30067439-890 This is a traditional iron-core

This is a traditional iron-core transformer

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

Is disassembly required before brazing the 3/8" ODF ends

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

Lochinvar & A.O. Smith 100233489 Ventilation Fan 30067439-890 This is a traditional iron-coreThe 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.