Waterway 8" Round Vinyl Liner Main Drain Mounting Plate [Grey] (642-2097) poolparts Gate valves are useful because

Gate valves are useful because they help isolate plumbing lines for service or controlled operation

Generic Buna-N O-ring using the O-101 reference

Unions are useful because they allow plumbing lines or connected components to be separated more easily for service or replacement

Waterway 5 inch Power Storm jet

long-term performance from their equipment

Waterway 8" Round Vinyl Liner Main Drain Mounting Plate [Grey] (642-2097) poolparts Gate valves are useful becauseThe Waterway 642 2097 vinyl liner main drain mounting plate is designed for compatible 8 inch round drain applications and features a gray finish. In vinyl liner systems, the mounting plate is a key component because it helps secure the drain assembly correctly while contributing to the visible finish around the drain area. The gray tone makes this plate especially appealing where a neutral finish blends more naturally with the surrounding pool