This unit operates on 24 Vac/Vdc and is compatible with all non-corrosive refrigerants

Precise weight and buoyancy specifications ensure seamless integration with existing Armstrong inverted bucket internal assemblies

Universal Compatibility: Supports 2-10VDC

Featuring 18-inch leadwire connections located on the same side as the manual opening lever

Calibrated to a precise 7

Lochinvar & A.O. Smith 100111584 Pump Circulator 320788-704 This unit operates on 24The Lochinvar & A. O. Smith 100111584 Pump Circulator is a critical OEM replacement part designed for high efficiency hydronic heating and domestic hot water systems. Built to withstand the rigorous demands of commercial and residential boilers, this high head circulator pump ensures consistent fluid velocity and thermal distribution across the heat exchanger. It serves as a direct replacement for legacy part numbers such as Lochinvar ARM2801 and A.