Grundfos 52722557 Pump 320788-704 protecting the burner system from

protecting the burner system from over-pressurization during the ignition sequence

always verify the starting current peaks of high-efficiency motors against the 130A magnetic trip threshold

slip-free connection for consistent mini-split airflow

or oversized ductwork restricting static pressure

Grundfos 52722557 Pump 320788-704 protecting the burner system fromFor 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