AMT Sump pumps are available in stainless steel, bronze and cast iron constructions with TEFC motors in 1/3 through 3/4 HP for proper pump selection in most applications. All models include stainless steel shaft, screen and float. All motors are fitted with automatic switch and an 8 foot 16/3 115 VAC line cord. Pumps require minimum sump pit of 14″ diameter and 24″ depth.