Close any open drain valves or test cocks. Open the sprinkler water supply valve. Do this slowly to avoid pressure spikes. Turn the controller back on and run each zone manually to check for leaks, ...

Homeowners should have the curbside valve feeding their yard sprinklers shut off from the municipal pressurized system and ...

Abstract: This paper describes the research and development of a control system in digital valve electric actuator driven by a BLDCM (brushless DC motor). A new method is studied and applied to ...