JR Products Automatic RV Changeover Regulator

Automatically redirects LP gas vapor flow from an empty designated service Cylinder to a reserve Cylinder without interruption. Green indicator dome changes to red when the service Cylinder needs to be filled.1/4 in. Inverted Flare Inlet Connections. 3/8 in. FPT Outlet Connection. Zinc Die Cast. Molded Rubber Diaphragms. UL Approved. 2nd Stage Relief Mechanism Per UL 144. Powder Coated.