Wilo expands its warranty on the Stratos, Stratos D and Stratos Z high-efficiency circulators. These circulators now are covered by warranty for four years — two years more than previously offered. These circulators are best used in closed-cooling circuits, air-conditioning systems and solar/geothermal applications. The circulators reduce ECM motor energy consumption up to 80%.
High-efficiency circulator from Wilo
October 27, 2015