Can be used for a heating water flow up to max. 2.5 m³/h (WWM 25) or 3.5 m3/h (WWM 32). Consisting of two ball valves with check valve, 2 integrated thermometers, pump ball valve, insulation jackets, installation option for circulating pump, inside micrometer 180 mm, which must be designed in accordance with the pressure loss of the heating system (not included in the scope of supply).