Air Injection Check Valve: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Right | 0.4 | 0.2 | B | |
| Left | 0.4 | 0.2 | B | |
| Center | 0.4 | 0.2 | B | |
| All | 0.4 | 0.2 | B |
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Right | 0.4 | 0.2 | B | |
| Left | 0.4 | 0.2 | B | |
| Center | 0.4 | 0.2 | B | |
| All | 0.4 | 0.2 | B |