For water Flow Switch Sensor 30W HT30 G12 Thread for Pump Applications 0 110V

AC220V G3/4-G3/4 Thread Water Pump Flow Sensor Pressure Automatic Control Switch

HT120 220V 1A Water Flow Switch Sensor with For Automatic Pump Control

HT120 120W 220V 1A Water Flow Switch for Automatic Pump Control with G34 Thread

12V water level automatic control liquid level sensor switch control relay board

HT30 For water Flow Sensor 30W G12 Thread 0 to 110V for Industrial Pump Systems

G&W Automatic Pressure Control for Water Pump 110V or 220V (works on both)