💧 Check Valve, Spring, Return Line, 1″ Slip
Made by Val-Pak Products, manufacturer part number V20-350.
📏 Specifications
| Specification | Value |
|---|---|
| Brand | Val-Pak Products |
| Manufacturer part number | V20-350 |
| Plumbing Size | 1″ |
| Check Valve Application | Water |
| Check Valve Type | Spring |
| Catalog description | Check Valve, Spring, Return Line, 1″ Slip |
Exploded parts diagram: This part is shown as item #7 on the Pentair 1″ Sch 40 Return Line Check Valve exploded parts diagram.
🔧 Pentair 1" Sch 40 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 |
|---|---|
| 7 | Check Valve, Spring, Return Line, 1" Slip ◀ this part |
| 6 | 27-110-1838 |
| 5 | Rubber Pad, Pentair Sch 40/Return Line Check Valve |
| 4 | Washer, Pentair Sch 40/Return Line Check Valve, White |
| 3 | Spring,Pent Ortega Equalizer/Sch 40/Return Line Check Valves |
| 2 | Nut,Pent Ortega Equalizer/Return Line Check Valve,Brass 8-32 |
| 1 | Housing, Pentair Sch 40/Return Line Check Valve, w/O-Ring |
🔧 Exploded diagram and parts
This part belongs to the Pentair 1" Sch 40 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 | ||
|---|---|---|---|---|---|---|
| 4 | ![]() |
Washer, Pentair Sch 40/Return Line Check Valve, White | 072471 | 6 in stock | $6.72 | Add to cart |
| 5 | ![]() |
Rubber Pad, Pentair Sch 40/Return Line Check Valve | 072504 | 4 in stock | $2.40 | Add to cart |








