The UPA Booster series are stainless steel circulator pumps with integrated flow sensor. Designed for water pressure boosting in domestic properties to provide additional pressure to hot and cold-water taps and similar outlet points. These extremely quiet pumps have particular application in homes equipped with gravity fed or low-pressure hot water systems. Features Maintenance free Low noise Low energy consumption Corrosion-resistant stainless steel pump housing Technical Features Enclosure class: IP42 Insulation class: F Duty rating: Continuous Liquid temperature range: 0-70°C Maximum ambient temperature: 40°C Maximum operating pressure: 10 bar This model is shown on the Red Line on the pump curve 1 Year Manufacturing Defect Warranty View Warranty Terms here. Model kW Inlet/Outlet Phase Voltage UPA-25-150 0.3 25mm 20mm Unions 1 220-240 Dimensions Model L H1 H2 B1 B2 G UPA25-150 185mm 28mm 145mm 90mm 66mm 25mm