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220VAC water solenoid valve

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skmdmasud

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Lets see the schematic on what you plan to do so far. You need a diode in reverse with the relay coil to protect the transistor you are using to drive it.

Hi 3v0
thanks. i have a diode with the relay to protect my transistor. Other than that do i need to put anything in the coil of water solenoid.
 
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