Rain Bird - Drainage Pop Up Relief Valve with 4 Inch PVC Elbow and Hub Fitting Adapter Epansion Increased reliability - fewer parts

Increased reliability - fewer parts and fewer threaded connections mean less chance of a leak both at installation and over the life of the system

and all JTV valves

XQ Drip Distribution Tubing - 1

5V AAA batteries

Particularly effective for water with high organic content

Rain Bird - Drainage Pop Up Relief Valve with 4 Inch PVC Elbow and Hub Fitting Adapter Epansion Increased reliability - fewer partsA pop up water relief valve (also commonly known as a pop up drainage emitter) that is normally closed except when there is a build up of hydrostatic pressure. As the drainage pipes fill and build up slight pressure, the cover rises to allow the excess water to escape. Once the water is discharged the pressure drops and a stainless steel spring automatically retracts the cover to its closed flush position. The flush design of the product ensures that