Grundfos 59896341 Circulator Pump

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.Ceramic shaft and radical bearingsCarbon axial bearingStainless steel rotor can and bearing plateCorrosion-resistant impellerCast iron pump housing