The Grundfos UPM3 FLEX AS 25-70 130 Pump is a high efficiency A Rated circulation pump and a reliable work horse for water underfloor heating systems. The lightweight design and compact size makes installation simple even in tight spaces. The UPM3 is an advanced high-efficiency circulator pump suitable for a wide variety of applications from boilers to underfloor heating systems. UPM3 is controlled via a digital signal to ensure the optimum operation 2 Year Warranty Specifications Maximum head: 70 dm TF class: 110 Pump housing: Cast iron Impeller: PES 30% GF Maximum ambient temperature: 70 °C Maximum operating pressure: 10 bar Port-to-port length: 130 mm Pumped liquid: Water Liquid temperature range: 2 – 110 °C Selected liquid temperature: 60 °C Density: 983.2 kg/m³ Power input – P1: 2 – 52 W Mains frequency: 50Hz Rated voltage: 1 x 230 V Maximum current consumption: 0.04 – 0.52 A Enclosure class (IEC 34-5): IP44 Thermal protec: ELEC Energy (EEI): 0.20
