Rain Bird - DPUV4EHUB - Drainage Pop Up Relief Valve with 4 Inch PVC Elbow and Hub Fitting Adapter Defogger Oval Grill Compatibility: Compatible large and

Grill Compatibility: Compatible large and XL Grill Dome models

Provides a convenient and economical means of monitoring and controlling a snow melting system from a remote location

What system does this filter set fit

Round front

Rain Bird - DPUV4EHUB - Drainage Pop Up Relief Valve with 4 Inch PVC Elbow and Hub Fitting Adapter Defogger Oval Grill Compatibility: Compatible large andSpec Sheet A 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