Designing and Installing the Irrigation System

Once we knew which parts we wanted to use to irrigate the garden, we then had to assemble them and lay them out in the garden. Teflon tape is needed when connecting plumbing parts in order to prevent leakages. Here is a video about how to use Teflon tape. Now the planters need to be filled halfway with the proper potting mixture that was previously discussed. Next, the hose needs to be cut to the proper lengths with scissors to fit the garden. This will depend on the shape of your garden layout. Be careful not to cut the hose too close to one of the drip valves. There should be 12 inch spacing between each hose and 6 inches of clearance from the edge of the planter as Rain Bird recommends. Then the hose needs to be fed through the holes on the side of the planters that were hole sawed earlier. After that the elbow joints, air release valve, water release valve, and zone control assembly can be slid into the hose. It takes quite a bit of force and is easier if you let the hose heat up in the sun first. The air release valve belongs at the highest point of the irrigation system. If your garden is flat, it does not matter where the air release goes. The water release valve can go at the end of the irrigation system. Be careful not to put this at a high point of the garden. Now the planters can be filled the rest of the way with potting mixture. You probably need adjust the position of the air release valve so that it is popping out the surface of the potting mixture. All that is left now is attaching the garden hose to the zone control kit.

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