💧 Check Valve, Spring, Return Line, 1-1/2″ Slip
Made by Val-Pak Products, manufacturer part number V20-343.
📏 Specifications
| Specification | Value |
|---|---|
| Brand | Val-Pak Products |
| Manufacturer part number | V20-343 |
| Plumbing Size | 1-1/2″ |
| Check Valve Application | Water |
| Check Valve Type | Spring |
| Catalog description | Check Valve, Spring, Return Line, 1-1/2″ Slip |
Exploded parts diagram: This part is shown on the Pentair Return Line Check Valve exploded parts diagram.
🔧 Pentair Return Line Check Valve – exploded parts diagram

The numbered parts below make up this assembly. Parts we stock are linked – click any to view.
| No. | Part |
|---|---|
| – | Check Valve, Spring, Return Line, 1-1/2" Male Pipe Thread |
| – | Check Valve, Spring, Return Line, 1-1/2" Slip ◀ this part |
| 11 | Housing, Pentair Sch 40/Return Line Check Valve, w/O-Ring |
| 10 | Eyeball Assembly, Pentair Return Line Check Valve |
| 9 | Screw Cover, Pentair Return Line Check Valve |
| 8 | Washer, Pentair Sch 40/Return Line Check Valve, White |
| 7 | Rubber Pad, Pentair Sch 40/Return Line Check Valve |
| 6 | 27-110-1838 |
| 5 | Ball, Pentair Return Line Check Valve |
| 4 | O-Ring, 1-5/8" ID, 3/32"Cross Section,Generic |
| 3 | Spring,Pent Ortega Equalizer/Sch 40/Return Line Check Valves |
| 2 | Nut,Pent Ortega Equalizer/Return Line Check Valve,Brass 8-32 |
| 1 | Eyeball Housing, Pentair Return Line Check Valve, 1-1/2" |
🔧 Exploded diagram and parts
This part belongs to the Pentair Return Line Check Valve assembly. Everything listed below is something we stock for it, and the numbers match the diagram.
| No. | Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|---|
| 7 | ![]() |
Rubber Pad, Pentair Sch 40/Return Line Check Valve | 072504 | 4 in stock | $2.40 | Add to cart |
| 8 | ![]() |
Washer, Pentair Sch 40/Return Line Check Valve, White | 072471 | 6 in stock | $6.72 | Add to cart |
Complete check valves
| Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|
![]() |
Check Valve, Spring, Return Line, 1-1/2" Male Pipe Thread | V20-339 | 4 in stock | $50.76 | Add to cart |










