This pump start relay is part of the pump protection system that monitors your irrigation system to protect the pump from damage due to low pressure. It monitors the pressure through the use of a pressure sensor located on the discharge side of the pump. At the beginning, or anytime during a zone cycle, if the water is not available, the pressure will drop within the pump and the pressure sensor will signal a time delay to begin counting. If the pressure has not recovered over the timer cycle, the pump shuts down to save itself before damage occurs, and resets automatically on the next cycle.
|Product:||Timers and Clocks|
|Shipping Dimensions||7.8" x 10.0" x 6.8"|
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