💧 Gasket, Waterco 2″ Top/Side Mount, 6-13/16″OD, 5 Spokes
Made by Waterco, manufacturer part number 621261. It is listed for the equipment shown below, so check the model on your own unit against that list.
📏 Specifications
| Specification | Value |
|---|---|
| Brand | Waterco |
| Manufacturer part number | 621261 |
| Part Type | Spider-Gasket |
| Inside Diameter | 3/4″id |
| Outside Diameter | 5-13/16″od |
| Catalog description | Gasket, Waterco 2″ Top/Side Mount, 6-13/16″OD, 5 Spokes |
✅ Listed for
- Spider Gasket Finder
Exploded parts diagrams: This part is shown as item #11 on the Waterco Side Mount Multiport Valve, 2″, 2290590; item #11 on the Waterco Top Mount Multiport Valve – 2″ Model exploded parts diagrams.
🔧 Waterco Side Mount Multiport Valve, 2", 2290590 – exploded parts diagram

The numbered parts below make up this assembly. Parts we stock are linked – click any to view.
| No. | Part |
|---|---|
| – | Multiport Valve, Waterco Side Mount, 1-1/2", 6 Position |
| – | Multiport Valve, Waterco Side Mount, 2", 6 Position |
| 16A | 26-252-W003K16A |
| 16 | Half Union, 2", with O-Ring |
| 15 | Nut, Waterco SupaTuf/HydroStorm/SupaStream, 1/4-20 |
| 14 | Sight Glass, Waterco 2" Top/Side Mount Valves |
| 13 | 27-252-1190 |
| 12 | Air Release, Waterco Filter/Valve, with O-Ring |
| 11 | Gasket, Waterco 2" Top/Side Mount, 6-13/16"OD, 5 Spokes ◀ this part |
| 10 | Rotor, Waterco 2" Top/Side Mount Valves |
| 9 | 26-252-W003K9 |
| 8 | Spring, Waterco 2" Top/Side Mount Valves |
| 6 | O-Ring, Waterco Top/Side Mount, Cover, 7-1/4"ID, 1/8"OD |
| 5 | Cover, Waterco 2" Top/Side Mount Valves |
| 4 | Bolt, Waterco 1-1/2" and 2" Top/Side Mount Valves |
| 3 | 26-252-W003K3 |
| 2 | 27-252-1128 |
| 1 | 26-252-W003K1 |
🔧 Exploded diagram and parts
This part belongs to the Waterco Side Mount Multiport Valve, 2", 2290590 assembly. Everything listed below is something we stock for it, and the numbers match the diagram.
| No. | Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|---|
| 4 | ![]() |
Bolt, Waterco 1-1/2" and 2" Top/Side Mount Valves | 621464 | Available to order | $3.78 | |
| 6 | ![]() |
O-Ring, Waterco Top/Side Mount, Cover, 7-1/4"ID, 1/8"OD | 30C3105 | Available to order | $18.53 | |
| 8 | ![]() |
Spring, Waterco 2" Top/Side Mount Valves | 621181 | 3 in stock | $47.68 | Add to cart |
| 9 | ![]() |
O-Ring, Waterco 2" Top/Side Mount Valves, Spring | WC621201 | Available to order | $2.10 | |
| 10 | ![]() |
Rotor, Waterco 2" Top/Side Mount Valves | 621231 | Available to order | $76.58 | |
| 12 | ![]() |
Air Release, Waterco Filter/Valve, with O-Ring | 620221 | 28 in stock | $15.35 | Add to cart |
| 14 | ![]() |
Sight Glass, Waterco 2" Top/Side Mount Valves | 621381 | 2 in stock | $17.70 | Add to cart |
| 16 | ![]() |
Half Union, 2", with O-Ring | 634024BLK | 10 in stock | $34.69 | Add to cart |
Complete multiport valves
| Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|
![]() |
Multiport Valve, Waterco Side Mount, 2", 6 Position | 2290590 | 5 in stock | $247.70 |
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