The Atlantic Auto Fill Valve ensures a steady water level in all Atlantic Skimmers, Pump Vaults, Formal Spillway Basins, and Fountain Basins. It comes with fittings to connect to a water supply via a standard garden hose, ½" irrigation line, or ½" Sch40 PVC. The valve provides 1.5 gallons per minute at up to 80 psi. The AF1000 is a 0.50" MIPT Auto Fill Kit and includes a 1-year warranty.