Use only with a pressure boiler. Technical data of the MHI 1300 centrifugal pump. Power: 1300 W, voltage: 230 V / 50 Hz, protection class: IP X4, max. Delivery height: 55 m (equivalent to 5.5 bar), max. Pressure: 5.5 bar, max. Flow rate: 6000 l/h, 5 wheels, robust and rust-proof stainless steel shaft, max. Suction height: 8 m at 1 inch (2.54 cm) and check valve, max. Water temperature: 35°C, suction connection and pressure side: 1 inch (2.54 cm) IG, integrated thermal motor protection switch, cable length: 0.80 m, total weight: 12.5 kg, size: L. 44 cm. Width: 15 cm. Height: 17 cm. Use only with a pressure vessel. !! Important notes. If possible, the pump should be placed near the fountain hole to the max. suction height. Please equip the intake line with a check valve so that the existence of the water column is rifled. Please fill the pump and the suction line with water before commissioning, there is a risk of dry running. The suction line should have a diameter of 1 inch, 1 1/4 inch, but not be smaller or larger. Otherwise, the pump cannot provide the appropriate power or pressure. The domestic waterworks is delivered as a kit for independent assembly. Packaging: original box packaging.