WESUA SS3 Float Switch for HVAC System Drain Pan Condensate Overflow Level Sensor with Mounting Bracket

The SS3 water level switch is used for HV AC system to detect the condensate overflow. , This easy to install with stainless steel self-hold bracket, and easy for removing and cleaning. , The switch can be connected to either the VCC or thermostat wires, it is NC type(normally closedswitch,When there is no water overflowing, the floater stays on the bottom of the switch, the switch is close loop, and output ON signal; When there is water overflowing, the floater is raised by buoyancy and trigger the switch to open loop, and output OFF signal to shut-off the device. , The SS3 includes bracketswitch. it can be installed on the wall of drain pan, clip the bracket onto side of pan at low and press firmly into place.