The UPS15-58FC is the standard for most residential heating systems. The 3-Speed pump motor provides 3 distinct pump curves enabling it to replace over 30 different competitors circulator pumps. Comes with built-in check valve and standard flange orientation. The integrated check valve significantly improves zone valve close off reliability， prevents thermo-siphoning， allows for minimal system flow， and eliminates the expense for an inline check valves.
Replacement for Grundfos UP15-10F 59896248; UP15-42F 59896155: UP15-58FC 59896339
Carbon axial bearing
Stainless steel rotor can and bearing plate
Corrosion-resistant impeller， composite， PES
Cast iron pump housing
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