Trion 47BP plastic reservoir pan for 707 series. Used in the 707U, 707SM, 707TW, 707. Measures 10" in diameter, 5½ high. Includes brass overflow connector. The 707u owners manual recommends setting the float for 1 to 1½ inches of water depth.Float assembly Not included, order TRI-92P.Instructions for installing the impeller with a 1/16" gap: Trion Impeller Installation (1 page, 70k pdf).