Check the listing for details. Pump Assembly With 3 Way Mixer Heating Circuit Set Wilo Pump Station. Color: Black, Width: see description, Condition: New. Listed at 373.17 USD. The Profimix EN001 heating circuit group group is ready for installation for underfloor heating, wall heating or radiators. With three-way mixer made of brass, Environ End05 Start engine and Ecostar 25/6 high-efficiency pump (180 mm). Flat-tight shut-off valves with thermometers facilitate operation, the EPP insulation protects against heat loss and enables easy switching between heating and cooling operation. Immediately available, free house. In the upper area of the pump group there are flat-sealing shut-off valves (1 “IG) with built-in thermometers (0-160 ° C) and integrated gravity brake in the flow. If the pump group is installed individually, a wall bracket can be screwed on the shut -off valves (not included in the scope of delivery). Maintenance or exchange of the circulation pum.