💧 Lock Ring, Waterway Dyna-Flo XL
Made by Waterway Plastics, manufacturer part number 718-8200.
📏 Specifications
| Specification | Value |
|---|---|
| Brand | Waterway Plastics |
| Manufacturer part number | 718-8200 |
| Catalog description | Lock Ring, Waterway Dyna-Flo XL |
Exploded parts diagram: This part is shown as item #9 on the Skim Filter, Waterway, Dyna-Flo XL exploded parts diagram.
🔧 Skim Filter, Waterway, Dyna-Flo XL – exploded parts diagram

The numbered parts below make up this assembly. Parts we stock are linked – click any to view.
| No. | Part |
|---|---|
| 10 | 50-270-W011K10 |
| 9 | Lock Ring, Waterway Dyna-Flo XL ◀ this part |
| 7 | Bypass Valve, Waterway Dyna-Flo XL, 2-1/2" |
| 6 | Bottom Insert, Waterway Dyna-Flo XL, with Bypass Valve |
| 5 | Spacer, Waterway Dyna-Flo XL |
| 4 | 50-270-W011K4 |
| 3 | 50-270-W011K3 |
| 2 | 50-270-W011K2 |
| 1 | 50-270-W011K1 |
🔧 Exploded diagram and parts
This part belongs to the Skim Filter, Waterway, Dyna-Flo XL assembly. Everything listed below is something we stock for it, and the numbers match the diagram.
| No. | Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|---|
| 2 | ![]() |
Trim Ring, Waterway Dyna-Flo XL, Scalloped, Black | 519-8261 | 15 in stock | $9.65 | Add to cart |
| 4 | ![]() |
Cartridge, 75 sqft,2-3/8"ob,2-3/8"ot,6-9/16"od,13-5/16"L 3oz | 60755 | 32 in stock | $57.70 | Add to cart |
| 4 | ![]() |
Cartridge, WW Dyna-Flo XL, 75 sqft, 2-3/8"i.d, 6-9/16" o.d. | 817-0018 | Available to order | $120.86 | |
| 5 | ![]() |
Spacer, Waterway Dyna-Flo XL | 711-8200 | Available to order | $8.85 | |
| 7 | ![]() |
Bypass Valve, Waterway Dyna-Flo XL, 2-1/2" | 600-1020 | 8 in stock | $13.82 | Add to cart |
Complete skim filters
| No. | Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|---|
| 10 | ![]() |
Skim Filter, Waterway Dyna Flo XL, 2.5" CKV, 75 sqft, 2"s, Blk | 512-0271 | 2 in stock | $212.36 | Add to cart |











