... temp:-20~+125 4.Certificates: CE, RoHS,FDA Level Switch Characters:1.Low cost: cheap material2.long ... the float ball moves along the stem with the water level, the magnet inside the ball will cause the ... Application:water heater, water dispenser, air-condition, air-cooler, BSD-P, humidifier, dehumidifier,fluid control,a pump,an indicator,an ... forward to working with you as partners !! Water Level Switch