Waterway Pump Union [2"] [Qty 2] is a Waterway Plastics union fitting for compatible pool and spa pump or plumbing assemblies. It helps create a serviceable connection that can be removed for maintenance when the correct size and style are matched to the system.Use part number 400-5570-2B to verify compatibility with the original Waterway component, equipment model, or plumbing assembly. Before ordering, compare the connection size, body style, color, horsepower, or configuration shown in the product name with the part being replaced. This helps reduce fit issues and makes installation smoother for service technicians and do-it-yourself pool or spa owners. Replacement component for compatible Waterway pump or plumbing assemblies Helps restore a secure serviceable connection around the equipment pad Use listed size, quantity, and part number to confirm the correct match Useful for maintenance, repair, and pump installation projects Designed to support reliable water flow when properly installed