The Grundfos TP 25-90/2-A-O-A-GQQE is a three phase, single head in-line circulator pump with 25mm union connections. The Grundfos TP are a range of single-head, vertical in-line pumps commonly used as heating circulator pumps in commercial building services, industrial processes and water supply. Each TP pump has a reliable, high-efficiency, IE3-rated motor and are electro-coated to prevent corrosion.