The Grundfos UPA 15-120 is a domestic booster set designed to increase the pressure of drinking water in homes supplied from an external source. UPA Booster Pumps increase household water pressure to provide the required pressure at showers, faucets and other usage points. The pump has an inlet and outlet port of 1. The pressure rating of the pump is PN 10 and the length from port to port is 200mm.