Wilo Stratos 1.5 x 3-40, 1-Phase High Efficiency Circulator, 1/2 HP

ECM motor technology reduces energy consumption by up to 80%. 3 times higher starting torque than a standard circulator. Red Button technology and LED display. On-board diagnostics and data logger. Multiple control modules available. For use in: Hot water heating systems; Air conditioning systems; Closed cooling circuits; Industrial circulating systems; Water/glycol concentrations up to 50%; Geothermal; Solar. Volute: Cast Iron Flange Size: 1 1/2" Flange Type: 2 Bolt HV Phase: 1 Voltage: 230V