Lochinvar & A.O. Smith 100111040 Controller 320074-702 a heavy-duty 230V 1-Phase HVAC

a heavy-duty 230V 1-Phase HVAC motor engineered for precision airflow and thermal management

For professional contractors handling deeper wall installations

Is the Allanson 421-340 compatible with electronic ignitor bases

3 is a constant bleed version

Engineered with a 1

Lochinvar & A.O. Smith 100111040 Controller 320074-702 a heavy-duty 230V 1-Phase HVACAs a seasoned technician, you know that a failing control module on a high recovery commercial unit means a complete system shutdown. The Lochinvar & A. O. Smith 100111040 Controller is the precise OEM replacement part engineered for the BTH 199 100 and BTH 199A Cyclone Xi series. This combined controller serves as the central intelligence for your commercial gas water heater, managing critical ignition sequences, flame sensing, and temperature