High-efficiency wet rotor pump for use in the producer and consumer circuits of heating systems. For use as a consumer circuit pump, constant speed levels of 4, 5, 6, and 7.5 meters of head can be set. In the producer circuit, control via PWM input signal is possible. Maximum head of 7.5 meters with a flow rate of 1.3 m³/h, maximum flow rate of 3.4 m³/h at a head of 2.2 m. Temperature range of the pumped medium from -2 °C to 110 °C, connection dimension 180 mm, connection voltage: 1NPE 230 V, 50 Hz. Energy efficiency index EEI 0.20, PL 28 meets the requirements according to the Ecodesign Directive 2020. Dimensions: 117 x 180 x 128 mm. Control and load cable including plug and coupling relay with base for DIN rail mounting included in the delivery. UP 75-25PK.