Grundfos 52722370 Pump 318518-761 Durable Seating: The Teflon PFA

Durable Seating: The Teflon PFA seat resists vibration and chemical degradation

Technicians should use a manometer to verify the draft pressure against the 2

By modulating refrigerant flow based on superheat

The outlet pressure is adjustable within the 3" to 6" Water Column range by removing the top cap and turning the adjustment screw

Key Benefits Precision Balanced: Factory balancing reduces mechanical stress on the blower motor bearings

Grundfos 52722370 Pump 318518-761 Durable Seating: The Teflon PFAThe Grundfos 52722370, model UP43 75BF, is a high performance, single speed bronze circulator pump engineered for demanding commercial and residential hydronic systems. Featuring a 1 6 HP motor operating at 115V, this wet rotor circulator is specifically designed for hot water recirculation and open loop heating applications where corrosion resistance is critical. The robust bronze housing ensures longevity in oxygen rich potable water systems, while