Put together a sprinkler swivel manifold system

How to put together a sprinkler swivel manifold system A swivel manifold system is the aspect of an underground sprinkler system that separates the water into different zones for watering. This is where the valves are attached, whether automatic or manual. Check out this landscaping video tutorial to see how to put together a sprinkler swivel manifold system. With just some pipe and some plastic o-rings, your lawn will be green as grass can be.