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For low-ambient operation
Applying 115V will cause the motor to fail or not start
the Armstrong 20054001 prevents burner shutdowns and ensures the safety of your home's air quality
making it a versatile choice for air handling units and large terminal boxes
For technicians performing field service
Lochinvar & A.O. Smith 100217961 Diptube 321042-401 For low-ambient operationFor professional contractors servicing Lochinvar and A. O. Smith systems, the Lochinvar & A. O. Smith 100217961 Diptube is the high performance OEM replacement part required to restore thermal efficiency and prevent sediment buildup. This 40 inch diffuser diptube features a 3 4" x 3" connection, specifically engineered to direct cold water to the bottom of the heater tank. By utilizing a diffuser kit design, it prevents the turbulence that can disrupt