Weight with line. The weight hangs from the sump switch to automatically turn off the system when the fluid is low. This will protect the pump from running dry.
For nearly 30 years, we have had great service from Shoo-fly. People always comment particularly how bug-free, fly-free & mosquito-free Rohara barns are, thanks to our Shoo-fly Automatic Fly Control.
Roxann Hart - Rohara Arabians, Orange Lake, Fl