How to Wire Irrigation Pump Relays | Home Guides | SF Gate 2. Mount the pump relay a minimum of 15 feet from both the irrigation control box and the pump, as electrical interference can occur if the devices are mounted in close proximity to each other. Pump Start Relay | Hunter Industries When a system requires the use of a booster pump or pulls water directly from a creek or pond, it’s imperative to include a relay that can be counted on to activate the pump each and every time. Hunter’s Pump Start Relay (PSR) has been created to provide that reliability–as well as a lockable NEMA rated enclosure–at an economical price. Available in a choice of three models to Pump Start Relay - Connect to Controller | Hunter Industries Different wire can be used to connect the Pump Start Relay to the controller. Refer to the Wire Size Chart below for wire size and maximum lengths. NOTE: For more information on controller/PSR installation, please see support page for specific controller.
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