Air Injection Manifold: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Manifold Pipe | ||||
| One Side | 0.5 | 0.3 | B | |
| Both Sides | 0.8 | 0.5 | B | |
| Pipe | ||||
| Right Head to Left Head | 1.1 | 0.8 | B | |
| Pump to Diverter Valve | 0.4 | 0.3 | B |
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Manifold Pipe | ||||
| One Side | 0.5 | 0.3 | B | |
| Both Sides | 0.8 | 0.5 | B | |
| Pipe | ||||
| Right Head to Left Head | 1.1 | 0.8 | B | |
| Pump to Diverter Valve | 0.4 | 0.3 | B |