The dry run switch mounts at the end of the pump head, physically touching the red faceplate of the pump head. When the pump runs dry, it heats up and the dry run switch thermally trips and breaks the circuit. A reset button is on the housing of the switch.

• Cutoff switch to prevent the pump from being damaged if the pump runs dry.

Cutoff switch to prevent the pump from being damaged if the pump runs dry.Shurflo