The Waterway CrystalWater Old Style Drain Elbow (400-6610) is used in pool or spa drain and suction assemblies where fit, cover style, connection size, and replacement compatibility are critical. It helps maintain a secure finished installation around the suction or drain opening.This Waterway Plastics component should be matched to the existing drain body, frame, cover, or suction fitting before installation. Correct sizing is important for alignment, gasket compression, and the overall integrity of the installation. Use this part for repair, replacement, or restoration projects where the existing cover, fitting, or related drain component needs to be refreshed without unnecessary plumbing changes. Because many pool and spa parts look similar, the safest selection method is to verify the part number along with all visible sizing and connection details. Part number 400-6610 should be used as the primary identifier when cross-checking compatibility. Used for pool and spa drain or suction-related repair work Match cover, frame, gasket, and connection size before installation Helps restore a clean and secure finished drain area Suitable for replacement during renovation or routine service Verify compatibility with applicable safety and equipment requirements