💧 Diffuser Disbursement Cap, Waterway Smart Clean/UltraClean
Made by Waterway Plastics, manufacturer part number 519-5320.
📏 Specifications
| Specification | Value |
|---|---|
| Brand | Waterway Plastics |
| Manufacturer part number | 519-5320 |
| Catalog description | Diffuser Disbursement Cap, Waterway Smart Clean/UltraClean |
Exploded parts diagrams: This part is shown as item #7 on the Sand Filter, Waterway, SmartClean Side Mount Model; item #10 on the Sand Filter, Waterway, UltraClean Pro exploded parts diagrams.
🔧 Sand Filter, Waterway, SmartClean Side Mount Model – exploded parts diagram

The numbered parts below make up this assembly. Parts we stock are linked – click any to view.
| No. | Part |
|---|---|
| – | Wrench-Drain Screen Cap(602-5301) Carefree Sand Fi |
| 24 | Tank Stand, Waterway Smart Clean/UltraClean |
| 23 | 30-270-W007K23 |
| 22 | Gasket, Waterway Smart Clean, Drain Cap, Closed, 2-5/16"OD |
| 21 | Drain Screen, Waterway Smart Clean/UltraClean/Carefree |
| 20 | 30-270-W007K20 |
| 19 | Slip Seal Coupling, Waterway Smart Clean, Twist Lock |
| 18 | Slip Seal Elbow Coupling, Waterway Smart Clean, Twist Lock |
| 17 | Slip Seal Coupling, Waterway Smart Clean |
| 16 | O-Ring, Waterway SmartClean Filter, Coupling, O-41 |
| 15 | Manifold Assembly, Waterway Smart Clean 26", with Laterals |
| 14 | 31-270-1276 |
| 13 | Multiport Valve, Waterway Top Mount, 2"fpt, w/Unions |
| 12 | Lateral, Waterway Smart Clean/UltraClean/Carefree, 12 req. |
| 11 | 30-270-W007K11 |
| 10 | Basket, Filter, OEM Waterway SmartClean |
| 9 | Bleed Tube, Waterway Smart Clean/UltraClean |
| 8 | Filter Screen, Waterway Clearwater/SmartClean/UltraClean |
| 7 | Diffuser Disbursement Cap, Waterway Smart Clean/UltraClean ◀ this part |
| 6 | Sand Fill Guide, Waterway Smart Clean/UltraClean |
| 5 | O-Ring, Waterway SmartClean/UltraClean MPV, Body, O-236 |
| 4 | Clamp Ring, Waterway SmartClean TM/SM/UltraClean Filters |
| 3 | Tank Lid, Waterway Smart Clean/UltraClean |
| 2 | O-Ring, Waterway Clearwater, Air Bleed, O-288 |
| 1 | Air Bleed Plug, Waterway Clearwater/SmartClean/UltraClean |
🔧 Exploded diagram and parts
This part belongs to the Sand Filter, Waterway, SmartClean Side Mount Model assembly. Everything listed below is something we stock for it, and the numbers match the diagram.
| No. | Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|---|
| 2 | ![]() |
Waterway Filter Plug O-Ring 805-0117SD | 805-0117SD | Available to order | $2.51 | |
| 4 | ![]() |
Clamp Ring, Waterway SmartClean TM/SM/UltraClean Filters | 872-0046 | 79 in stock | $30.27 | Add to cart |
| 8 | ![]() |
Filter Screen, Waterway Clearwater/SmartClean/UltraClean | 817-0001 | Available to order | $7.99 | |
| 12 | ![]() |
Lateral, Waterway Smart Clean/UltraClean/Carefree, 12 req. | 519-5370 | 132 in stock | $11.33 | Add to cart |
| 21 | ![]() |
Drain Screen, Waterway Smart Clean/UltraClean/Carefree | 602-5310 | 5 in stock | $7.27 | Add to cart |
| 22 | ![]() |
Gasket, Waterway Smart Clean, Drain Cap, Closed, 2-5/16"OD | 711-5310 | 10 in stock | $4.47 | Add to cart |
| 24 | ![]() |
Tank Stand, Waterway Smart Clean/UltraClean | 672-5301 | 1 in stock | $37.33 | Add to cart |
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Wrench-Drain Screen Cap (602-5301) Carefree Sand Fi | 218-3031 | 5 in stock | $8.39 | Add to cart | |
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Drain Screen Cap, Waterway Sand Filters, 2011+ | 602-5321 | 80 in stock | $6.86 | Add to cart | |
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Drain Cap, WW Smart Clean/UltraClean/Carefree,2010 – Earlier | 602-5301 | 56 in stock | $6.98 | Add to cart |



















