Function: 1:Start and stop the pump automatically 2:Protect the pump from damage caused by dry-running 3:Protect the pump from damage caused by overheat 4:Examine the water automatically 5:Forced start
Function: 1:Start and stop the pump automatically 2:Protect the pump from damage caused by dry-running 3:Protect the pump from damage caused by overheat 4:Examine the water automatically 5:Forced start