Hunter Sprinkler HC75F75M HCV 3/4-Inch Female Inlet by 3/4-Inch Male Outlet Check Valve

If you have ever been faced with a job site that features extremes in elevation, then you have first-hand knowledge about low head drainage. Unfortunately, a system that requires ups and downs to fit the landscape will find that the water in its pipes seeks out the low points when the system is at rest. That typically results in messy paddling at the heads located at the lowest elevation and, ultimately, wasted water on walkways.