💧 Diverter, Lower, Square Skim Filter
Made by Waterway, manufacturer part number 519-4000.
📏 Specifications
| Specification | Value |
|---|---|
| Brand | Waterway |
| Manufacturer part number | 519-4000 |
| Color | White |
| Model | Spa Skim Filter |
| Skimmer Part Type | Diverter |
| Catalog description | Diverter, Lower, Square Skim Filter |
Exploded parts diagram: This part is shown on the Skim Filter, Waterway, Spa exploded parts diagram.
🔧 Skim Filter, Waterway, Spa – exploded parts diagram

The numbered parts below make up this assembly. Parts we stock are linked – click any to view.
| No. | Part |
|---|---|
| – | Diverter, Lower, Square Skim Filter ◀ this part |
| – | Filter Cartridge Hook, F/A Skim |
| – | Umbrella Valve, Waterway Spa Skim Filter |
| 19 | 50-270-W009K19 |
| 18 | 50-270-W009K18 |
| 17 | 50-270-W009K17 |
| 16 | Hose Adapter, 1-1/2" Spigot x (1-1/4"/1-1/2")Hose Barb |
| 15 | 50-270-W009K15 |
| 14 | Diverter, Waterway Spa Skimmer, Lower |
| 13 | Diverter, Waterway Spa Skimmer, Upper |
| 12 | Diverter Assembly, Waterway Spa Skimmer |
| 11 | 50-270-W009K11 |
| 10 | Faceplate, Waterway Spa Skimmer |
| 9 | Gasket, WW, Faceplate, 5-1/2" x 5-7/8"ID,7-1/8" x 7-3/16"OD |
| 8 | Hinge, Waterway Spa Skimmer, 2 required |
| 7 | 17-270-1168 |
| 6 | Basket, Skimmer, OEM Waterway Spa Skimfilter |
| 5 | Escutcheon, Waterway Spa Skimmer, White |
| 4 | Escutcheon, Waterway Spa Skimmer, Stainless |
| 3 | Weir Foam, Waterway Spa Skimmer, 5.5" x 2.35" x .85" |
| 2 | 50-270-W009K2 |
| 1 | 50-270-W009K1 |
🔧 Exploded diagram and parts
This part belongs to the Skim Filter, Waterway, Spa assembly. Everything listed below is something we stock for it, and the numbers match the diagram.
Skimmers
| No. | Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|---|
| 17 | ![]() |
Waterway Skim Filter 510-1500 | 510-1500 | 9 in stock | $87.08 | Add to cart |
| 17 | ![]() |
Skimmer Complete, Waterway, Spa Front Access, Gray | 510-1507 | 3 in stock | $87.04 | Add to cart |
| 19 | ![]() |
Waterway Skim Filter 510-1657T | 510-1657T | 17 in stock | $125.40 | Add to cart |






























