Grundfos 52722370 Pump 320788-702 but ensure the set screw

but ensure the set screw is torqued correctly to the motor shaft flat spot to prevent slipping during high-speed operation

and 704 series

How do I test the Lennox 78W99 for continuity

provided the system uses R-410A and the 3-phase power requirements are met

Grundfos 52722370 Pump 320788-702 but ensure the set screwThe 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