Grundfos UP 15-18 B5 UP 15-18 B5 1/25 HP 115V 4.9-14.5 GPM Bronze
Grundfos UP 15-18 B5 UP 15-18 B5 1/25 HP 115V 4.9-14.5 GPM Bronze Hot Water Recirculation / Circulator Pump. Grundfos UP 15-18 B5 Features Grundfos UP 15-18 B5 Specifications UP B is a circulator pump with a bronze pump housing for drinking water applications.The pump is of the canned rotor type, i.e. pump and motor form an integral unit without shaft seal and with only two gaskets for sealing.