Exploded parts diagrams: This part is shown as item #4 on the Pentair 1″ Sch 40 Return Line Check Valve; item #8 on the Pentair Return Line Check Valve exploded parts diagrams.
🔧 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 |
| 6 | 27-110-1838 |
| 5 | Rubber Pad, Pentair Sch 40/Return Line Check Valve |
| 4 | Washer, Pentair Sch 40/Return Line Check Valve, White ◀ this part |
| 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 |














