Compact designSimple to install and fully automaticTwo potentiometers to set T-on and T-off to suit any size of devicesTwo LEDs allow to visualize the operating statusTest button to drain the condensate manually and check the valve functionNPT connection available for version 115V AcSupplied with connector plug type A (DIN43650A ISO 440/6952)NC 2/2 way direct acting valve (made in Europe)