💧 Bulkhead Assembly, Waterco Micron SM, 1-1/2″
Made by Waterco, manufacturer part number W04005BLK. 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 | W04005BLK |
| Catalog description | Bulkhead Assembly, Waterco Micron SM, 1-1/2″ |
✅ Listed for
- Waterco Micron Series Side Mount SM600 Sand Filter
Exploded parts diagram: This part is shown as item #9 on the Sand Filter, Waterco, Micron Series Side Mount, SM500 exploded parts diagram.
🔧 Sand Filter, Waterco, Micron Series Side Mount, SM500 – 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 |
| 15 | Lateral, Waterco Baker Hydro/Micron/Thermoplastic, 5-1/2" |
| 14 | Lateral, Waterco Baker Hydro/Micron/Thermoplastic, 3-1/2" |
| 13 | 31-252-1115 |
| 11 | Drain Assembly, Waterco Micron SM/Thermoplastic |
| 10 | Half Union, 1-1/2", with O-Ring |
| 9A | 31-252-1133 |
| 9 | Bulkhead Assembly, Waterco Micron SM, 1-1/2" ◀ this part |
| 7 | Air Relief Screen, Waterco/Baker Hydro HRV/Micron, with Plug |
| 5 | 30-252-W010K5 |
| 4 | Tank Lid, Waterco Micron SM, 8", Clear |
| 3 | Pressure Gauge, Waterco Baker Hydro, 0-50psi, Bottom Mount |
| 2 | Air Release, Waterco Filter/Valve, with O-Ring |
| 1 | Lock Ring, Waterco Trimline/Micron |
🔧 Exploded diagram and parts
This part belongs to the Sand Filter, Waterco, Micron Series Side Mount, SM500 assembly. Everything listed below is something we stock for it, and the numbers match the diagram.
| No. | Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|---|
| 1 | ![]() |
Lock Ring, Waterco Trimline/Micron | 62024BLK | 6 in stock | $76.33 | Add to cart |
| 2 | ![]() |
Air Release, Waterco Filter/Valve, with O-Ring | 620221 | 28 in stock | $15.35 | Add to cart |
| 4 | ![]() |
Tank Lid, Waterco Micron SM, 8", Clear | 6209291 | 24 in stock | $117.58 | Add to cart |
| 7 | ![]() |
Air Relief Screen, Waterco/Baker Hydro HRV/Micron, with Plug | W04190 | 8 in stock | $7.71 | Add to cart |
| 10 | ![]() |
Half Union, 1-1/2", with O-Ring | 122243B | 35 in stock | $24.56 | Add to cart |
| 11 | ![]() |
Drain Assembly, Waterco Micron SM/Thermoplastic | W02026BLK | 2 in stock | $63.02 | Add to cart |
| 14 | ![]() |
Lateral, Waterco Baker Hydro/Micron/Thermoplastic, 3-1/2" | WCW02111 | 13 in stock | $7.74 | Add to cart |
| 15 | ![]() |
Lateral, Waterco Baker Hydro/Micron/Thermoplastic, 5-1/2" | W02113PP | 12 in stock | $9.21 | Add to cart |
![]() |
Diffuser, Waterco Micron SM | W02066 | 6 in stock | $41.04 | Add to cart |
Complete multiport valves
| Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|
![]() |
Multiport Valve, Waterco Micron Series SM 500 & 600, 1-1/2" | 229042 | 3 in stock | $117.16 | Add to cart |
Parts that go with this
| Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|
![]() |
Bulkhead Nut, Waterco Micron SM, 1-1/2" | W02271BLK | Available to order | $3.73 |















