Waterway Drain Grate [9" x 9" Square Black] (642-4791V) couplings Helps support proper wet-end alignment

Helps support proper wet-end alignment and sealing performance

Using an OEM-style cartridge can be especially practical when fit and compatibility are priorities

or bonded plumbing work is involved

the spa can lose both function access and clear display feedback

Useful when the original sight glass is cracked or cloudy

Waterway Drain Grate [9" x 9" Square Black] (642-4791V) couplings Helps support proper wet-end alignmentWaterway Drain Grate [9" x 9" Square Black] is a replacement drain component designed for compatible pool, spa, and bath drain installations. This Waterway Plastics part supports proper water movement, service access, and finished system appearance when matched to the correct drain body or assembly. Use it during drain repairs, equipment refreshes, or replacement work where the size, style, color, and part number need to match the existing