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How much resistance is there in the field wire of a typical irrigation valve circuit? How much in the solenoid itself?

April 26, 2017circuit field irrigation resistance solenoid valve wire

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How much resistance is there in the field wire of a typical irrigation valve circuit? How much in the solenoid itself?

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A. In a complete valve circuit there is about 20-60 Ohms of resistance (depending on the brand of solenoid). Of that, almost all of the resistance is in the solenoid. Only about 2-3 Ohms are lost in the wire itself.