| Half Union Fitting Complete | Complete Half Union |
| Union Fitting Application | Filter, Multiport Valve, Pump |
| First Plumbing Connection Size | 2″ |
| First Plumbing Connection Type | Female Pipe Thread (fpt), Slip (s) |
| Second Plumbing Connection Size | 2″ |
| Second Plumbing Connection Type | Female Pipe Thread (fpt), Slip (s) |
| Manufacturer | Waterco |
Exploded parts diagrams: This part is shown as item #13 on the Cartridge Filter, Waterco Fulflo Tri-Cartridge; item #16 on the Waterco Side Mount Multiport Valve, 2″, 2290590; item #16 on the Waterco Top Mount Multiport Valve – 2″ Model; item #8 on the Sand Filter, Waterco, Micron Series Side Mount, SM600; item #8 on the Sand Filter, Waterco, Micron Series Side Mount, SM750; item #8 on the Sand Filter, Waterco, Micron Series Side Mount, SM900; and 7 other assemblies exploded parts diagrams.
🔧 Cartridge Filter, Waterco Fulflo Tri-Cartridge – exploded parts diagram

The numbered parts below make up this assembly. Parts we stock are linked – click any to view.
| No. | Part |
|---|---|
| – | Cartridge Filter, Waterco Fulflo TC400, 400sqft, 2" |
| – | Cartridge Filter, Waterco Fulflo TC500, 500sqft, 2" |
| 14 | Tank Base, Waterco Ful-Flo |
| 13A | 16-252-W009K13A |
| 13 | Half Union, 2", with O-Ring ◀ this part |
| 11 | Tank Body, Waterco Ful-Flo |
| 9 | 16-252-W009K9 |
| 8 | Knob, Waterco FulFlo/MultiCyclone, Cartridge Filter |
| 6 | 16-252-W009K6 |
| 4 | 16-252-W009K4 |
| 3 | 16-252-W009K3 |
| 2 | Pressure Gauge, Waterco Baker Hydro, 0-50psi, Bottom Mount |
| 1 | Air Release, Waterco Filter/Valve, with O-Ring |








