Jacuzzi/Sundance Bracketless 48-Frame TheraMax/TheraFlo Seal Plate (6500-311) is a replacement part designed for compatible Jacuzzi / Sundance spa and hot tub applications. It is used to support proper pump mounting, alignment, or wet-end repair in compatible spa equipment when the original component is worn, cracked, faded, leaking, missing, or no longer operating as expected.Pump-related parts must be matched by frame size, wet-end style, seal plate design, and bracket configuration to avoid leaks, vibration, or fitment problems. Always compare the existing component, model details, connection style, color, size, and part number 6500-311 before ordering. Replacement pump-related component for compatible Jacuzzi / Sundance equipment Helps restore proper pump support, sealing, or serviceability Match frame size and pump series before ordering Useful during pump repair, rebuild, or equipment bay service Verify part number 6500-311 before installation