... ,flow switch,Flow Level SensorMain feature: 1. Type: HHY1G(JQB-3), HHY3G(AFR-1), JYB-7142. Working power: 24VAC, ... type is available in HHY1G(JQB-3),HHY3G(AFR-1). JYB-714 only has water supply type. 4. ... and JYB-714 5A 220VAC(resistence)in HHY3G(AFR-1)7. Outline size: 55x41x92mm[HHY1G(JYB-3) and ... : 35mm rail [HHY1G(JQB-3), HHY3G(AFR-1), JYB-714] Device type[HHY3G(AFR-1)] Liquid Level Sensor(HHY series)