| Item | Part No. | Part Name | Qty | Serial No. |
| 22-501134-03 | VALVE,AUTOMATIC DRAIN | 12128-20079 | ||
| 1 | 22-596633-01 | BODY | 12128-20079 | |
| 2 | 22-596634-01 | VALVE | 12128-20079 | |
| 3 | 22-596635-01 | COVER | 12128-20079 | |
| 4 | 22-596636-01 | RING | 12128-20079 | |
| 5 | 22-596637-01 | GUIDE | 12128-20079 | |
| 6 | 22-596638-01 | WASHER | 12128-20079 | |
| 7 | 22-596639-01 | BOLT | 12128-20079 | |
| 8 | 22-597510-01 | FILTER ASS'Y | 12128-20079 | |
| 9 | 22-596641-01 | PLUG | 12128-20079 |