💧 Collector Assembly, Waterco HRV 18
Made by Waterco, manufacturer part number HRV18-COL. 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 | HRV18-COL |
| Catalog description | Collector Assembly, Waterco HRV 18 |
✅ Listed for
- Waterco/Baker Hydro HRV Series (Prior to 1984) Sand Filter
- Waterco/Baker Hydro HRV Series 1984-2009 Sand Filter
Exploded parts diagram: This part is shown as item #14 on the Sand Filter, Waterco HRV18, 2021 – Present exploded parts diagram.
🔧 Sand Filter, Waterco HRV18, 2021 – Present – 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, 2", 6 Position |
| – | Multiport Valve, Waterco Micron Series SM 600-900, 2" |
| 19 | Drain Assembly, Waterco Micron SM/Thermoplastic |
| 17 | Lateral, Waterco Baker Hydro HRV 24, Chicken-Foot Style |
| 16 | Lateral, Waterco Baker Hydro/Micron/Thermoplastic, 4-1/2" |
| 15 | Lateral, Waterco Baker Hydro/Micron/Thermoplastic, 3-1/2" |
| 14 | Collector Assembly, Waterco HRV 18 ◀ this part |
| 13A | 30-252-W019K13A |
| 13 | Half Union, 2", with O-Ring |
| 12A | 31-252-1135 |
| 12 | Bulkhead Assembly, Waterco Micron SM, 2" |
| 10 | Diffuser, Waterco Baker Hydro HRV |
| 9 | Square Ring, 7-7/8" ID, 8-3/16" OD, Generic, O-215 |
| 6 | Air Relief Kit, Waterco Baker Hydro Ultra Mite |
| 5 | Pressure Gauge, Waterco Baker Hydro, 0-50psi, Bottom Mount |
| 4 | 17-252-1045 |
| 2 | Tank Lid, Waterco Baker Hydro HRV |
| 1 | Air Relief Screen, Waterco/Baker Hydro HRV/Micron, with Plug |
🔧 Exploded diagram and parts
This part belongs to the Sand Filter, Waterco HRV18, 2021 – Present assembly. Everything listed below is something we stock for it, and the numbers match the diagram.
| No. | Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|---|
| 1 | ![]() |
Air Relief Screen, Waterco/Baker Hydro HRV/Micron, with Plug | W04190 | 8 in stock | $7.71 | Add to cart |
| 2 | ![]() |
Tank Lid, Waterco Baker Hydro HRV | 6220204 | 3 in stock | $116.40 | Add to cart |
| 10 | ![]() |
Diffuser, Waterco Baker Hydro HRV | 15B0043 | Available to order | $49.45 | |
| 12 | ![]() |
Bulkhead Assembly, Waterco Micron SM, 2" | WCW04006BLK | 12 in stock | $54.80 | Add to cart |
| 13 | ![]() |
Half Union, 2", with O-Ring | 634024BLK | 10 in stock | $34.69 | Add to cart |
| 15 | ![]() |
Lateral, Waterco Baker Hydro/Micron/Thermoplastic, 3-1/2" | WCW02111 | 13 in stock | $7.74 | Add to cart |
| 16 | ![]() |
Lateral, Waterco Baker Hydro/Micron/Thermoplastic, 4-1/2" | WCW02112 | 19 in stock | $18.57 | Add to cart |
| 17 | ![]() |
Lateral, Waterco Baker Hydro HRV 24, Chicken-Foot Style | 6209227 | Available to order | $8.66 | |
| 19 | ![]() |
Drain Assembly, Waterco Micron SM/Thermoplastic | W02026BLK | 2 in stock | $63.02 | 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 | |
![]() |
Multiport Valve, Waterco Micron Series SM 600-900, 2" | 2290512 | Available to order | $178.81 | Add to cart |















