Grundfos 59896341 UPS15-58FC 3-Speed 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.