Rain Bird - Drainage Pop Up Relief Valve with 4 Inch PVC Elbow and Hub Fitting Adapter Pop up "PRS” stamped on cap for

"PRS” stamped on cap for easy identification and maintenance

Light alloy handles are shaped to act as an extension of the forearm

Emitter Spacing: Blank Tubing / No Emitters

Pop-up Height: 4 in

DVF and ASVF series valves

Rain Bird - Drainage Pop Up Relief Valve with 4 Inch PVC Elbow and Hub Fitting Adapter Pop up "PRS” stamped on cap forA 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