The Marlow 3B Series are self-priming centrifugal swimming pool pumps with integral suction strainer for use on commercial pools. Equipped with rugged casing with 4" suction and 3" discharge threaded pipe connnectoins and capabilities up to 400 GPM; heads to 90 feet. The 3B is constructed of cast iron and designed for ease of maintenance. Available in 1-Phase or 3-Phase. Other features include:
High Efficiency Impeller and Multi-vane Replaceable Diffuser. Rugged Casing with 4" Suction and 3" Discharge Female NPT Pipe Connections. Integral Suction Strainer with Stainless Steel Basket. Self-lubrication Mechanical Seal and Back Pull-out Design. Nationally Known Brand JM Shaft Motor.