While not a hard and fast rule, in almost every case this will provide a correctly.
How to replace hunter solenoid. Remove the nuts located on the outside of the housing that secure. Now carefully line up the new top on the old valve, making sure that the solenoid is on the same side as it was on. Attach the new solenoid in it's place and rewire.
Connect the top assembly to the main valve body using screws and a screwdriver. Remove the wire nuts attached to the existing solenoid wires and disconnect the two wires. Remove the three screws that secure the cover over the solenoid cover.
Wipe away this debris and rinse off the solenoid itself. This solenoid fits all hunter valves. You will need to locate your valve boxes and twist the solenoid (s) on the valves clockwise until snug.
Slide the solenoid and spring out of the housing. Only a few parts can go bad on a valve, the. How to replace hunter sprinkler solenoid the egr solenoid is a small plastic switch that regulates the amount of vacuum pressure sent to the egr valve.
The solenoid receives a quick pulse from the controller to latch. When a sprinkler valve stops working or there is a leak around the solenoid of your sprinkler control valve, it may be time to replace the solenoid with a ne. The solenoid is located on the top of the valve and looks like a cylinder with two wires.
Make a note of the color of the two wires that the solenoid wires were attached to. Replace a defected valve solenoid by unscrewing the bad solenoid. Check for any debris clogging the port where the solenoid sits.