数码开关

功能概述：

Digital pressure control new dual pressure sensor 
automatic pump controller for 220V submersible pump, this device can protect the motor not burn. 
this device can set the stop pressure by customer ,so can set the safe pressure for protect the water pipe not broken,
if the pipe water pressure reach setting data, it will be stop the water pump.

优势：

Can use for 220V Submersible Pump Available
LS-20 digital with 1" thread. Inside have built-in spring check valve.
To prevent internal leakage, it can be installed by horizontal or vertical.

Ceramic pressure sensor

The all-in-one design has the functions of 
water shortage protection and voltage protection