Vaillant pipe group with 3-way mixer R1. This pipe group includes a 3-way mixer R1 for flow and return Rp 1, a high-efficiency pump (max. delivery head 6.2 m, max. volume flow 3.3 m3/h), and two ball shut-off valves with integrated thermometers, one of which has a gravity brake. The 3-way mixer comes with a 230V actuator and includes thermal insulation. It is compatible with aroTHERM perform VWL, aroTHERM plus with uniTOWER plus, aroTHERM plus VWL, aroTHERM Split with hydraulic station, aroTHERM Split with uniTOWER AS, atmoTEC exclusive, atmoTEC plus, auroCOMPACT, ecoCOMPACT exclusive, ecoTEC plus, ecoVIT, ecoVIT exclusive, flexoCOMPACT exclusive, flexoTHERM exclusive, geoTHERM perform, icoVIT exclusive, and recoCOMPACT exclusive, versoTHERM plus.