| Union Fitting Application | Filter |
| First Plumbing Connection Size | 2″ |
| Union Fitting Part Type | Bulkhead |
| Manufacturer | Waterco |
Exploded parts diagrams: This part is shown as item #7 on the Sand Filter, Waterco, Micron Series Side Mount, SM600; item #7 on the Sand Filter, Waterco, Micron Series Side Mount, SM750; item #7 on the Sand Filter, Waterco, Micron Series Side Mount, SM900; item #12 on the Sand Filter, Waterco HRV30, 2021 – Present; item #12 on the Sand Filter, Waterco HRV18, 2021 – Present; item #12 on the Sand Filter, Waterco HRV24, 2021 – Present; and 1 other assembly exploded parts diagrams.
🔧 Sand Filter, Waterco, Micron Series Side Mount, SM600 – 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 Micron Series SM 500 & 600, 1-1/2" |
| – | Diffuser, Waterco Micron SM |
| – | Multiport Valve, Waterco Side Mount, 2", 6 Position |
| 15 | Drain Assembly, Waterco Micron SM/Thermoplastic |
| 14 | Lateral, Waterco Baker Hydro/Micron/Thermoplastic, 4-1/2" |
| 13 | 31-252-1115 |
| 12 | Lateral, Waterco Baker Hydro/Micron/Thermoplastic, 3-1/2" |
| 11 | Lateral, Waterco Baker Hydro HRV 24, Chicken-Foot Style |
| 9 | Air Relief Screen, Waterco/Baker Hydro HRV/Micron, with Plug |
| 8A | 30-252-W011K8A |
| 8 | Half Union, 2", with O-Ring |
| 7A | 31-252-1135 |
| 7 | Bulkhead Assembly, Waterco Micron SM, 2" ◀ this part |
| 5 | 30-252-W011K5 |
| 3 | Tank Lid, Waterco Micron SM, 8", Clear |
| 2 | Pressure Gauge, Waterco Baker Hydro, 0-50psi, Bottom Mount |
| 1 | Lock Ring, Waterco Trimline/Micron |








