The Waterway 672-2510 round gunite main drain sump body is designed for compatible 8 inch drain applications using a 2 inch slip connection. The sump body is a foundational drain component because it forms the structural body beneath the visible grate and provides the connection point to the plumbing system.In gunite installations, matching the correct sump body to the vessel construction type matters just as much as matching the visible cover. When the original drain body is cracked, damaged, or being replaced as part of a larger drain update, choosing the right Waterway sump helps support a more dependable rebuild.For compatible gunite drain repairs and new installation work, this Waterway sump body is a practical replacement component that supports the structure of the drain assembly from below the surface. Waterway round gunite main drain sump body 8 inch design with 2 inch slip connection Made for compatible gunite drain applications Useful for drain-body replacement and rebuild work Supports the structural base of the drain assembly