Grundfos 52722557 Pump 320788-704 direct contact with the brass

direct contact with the brass well components may require specific potable water certifications

or oversized ductwork restricting static pressure

technicians should typically reuse existing fasteners or source compatible high-temperature screws

offering a seamless fit without the need for field modifications

Grundfos 52722557 Pump 320788-704 direct contact with the brassFor high demand hydronic applications, the Grundfos 52722557 (Model UPS50 44F) stands as a heavy duty, 3 speed cast iron circulator pump designed for seamless integration into closed loop heating and cooling systems. Engineered with a 1 6 HP motor and operating on a standard 115V single phase power supply, this wet rotor unit delivers a maximum flow rate of 65 GPM and a maximum head of 14. 4 feet. The canned rotor design eliminates the need for