💧 Air Release, Waterco Filter/Valve, with O-Ring
Made by Waterco, manufacturer part number 620221. It is listed for the equipment shown below, so check the model on your own unit against that list. If your old part carries one of the cross-reference numbers further down, this is listed as its alternative.
📏 Specifications
| Specification | Value |
|---|---|
| Brand | Waterco |
| Manufacturer part number | 620221 |
| Catalog description | Air Release, Waterco Filter/Valve, with O-Ring |
✅ Listed for
- Waterco Fulflo Tri-Cartridge Cartridge Filter
- 2″ 2290590 Waterco Side Mount Multiport Valve
- Waterco Top Mount Multiport Valve – 1-1/2″ Model
- Waterco Top Mount Multiport Valve – 2″ Model
- 228042 Waterco 6-Way TM Multiport Valve – 1-1/2″
- Waterco Micron Series Side Mount SM500 Sand Filter
- Waterco Micron Series Side Mount SM750 Sand Filter
- Waterco Micron Series Side Mount SM900 Sand Filter
- Waterco MultiCyclone Centrifugal Pre-filter Rpl Parts
- Jandy SF-S Series SF24-S SF30-S SF36-S Sand Filter
🔄 Cross-reference part numbers
These part numbers are listed as alternatives for this part.
| Brand | Part number |
|---|---|
| Jandy/Laars/Zodiac | R0349200 |
Exploded parts diagrams: This part is shown as item #1 on the DE Filter, Waterco Astra Fulflo, Replacement Parts; item #2 on the Cartridge Filter, Waterco, Ful-Flo 200, 300 & 400 Sqft; item #3 on the Cartridge Filter, Waterco,Trimline C-Series(Pre-2001) CC-Ser; item #2 on the Cartridge Filter, Waterco Trimline CC-Series; item #5 on the Cartridge Filter, Waterco Opal, Replacement Parts; item #2 on the Cartridge Filter, Waterco Opal XL, Replacement Parts; and 9 other assemblies exploded parts diagrams.
🔧 DE Filter, Waterco Astra Fulflo, Replacement Parts – exploded parts diagram

The numbered parts below make up this assembly. Parts we stock are linked – click any to view.
| No. | Part |
|---|---|
| 12 | Elbow, Waterco Ful-Flo, 1-1/2" |
| 11 | 13-252-W001K11 |
| 9 | Union Assembly, Waterco P2036/P2048, 90 Degree Elbow |
| 8 | 13-252-W001K8 |
| 7 | Tank Body, Waterco Ful-Flo |
| 6 | Clamp Ring, Waterco Ful-Flo |
| 5 | 13-252-W001K5 |
| 4 | 13-252-W001K4 |
| 3 | 13-252-W001K3 |
| 2 | 13-252-W001K2 |
| 1 | Air Release, Waterco Filter/Valve, with O-Ring ◀ this part |
🔧 Exploded diagram and parts
This part belongs to the DE Filter, Waterco Astra Fulflo, Replacement Parts assembly. Everything listed below is something we stock for it, and the numbers match the diagram.
| No. | Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|---|
| 7 | ![]() |
Tank Body, Waterco Ful-Flo | 822343PEW | Available to order | $450.64 |
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|---|---|---|---|---|---|
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Generic PTFE Teflon/Plumbers Thread Seal Tape A05-0265 | A05-0265 | 214 in stock | $1.27 | Add to cart |
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Pressure Gauge, 1/4"mpt, 0-60psi, Bottom Mount, Generic | IPG602-4LNL | 265 in stock | $8.72 | Add to cart |














