System Relay: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Main | ||||
| AC Relay | 0.3 | 0.2 | B | |
| Thermostatic Relay | 0.3 | 0.2 | B |
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Main | ||||
| AC Relay | 0.3 | 0.2 | B | |
| Thermostatic Relay | 0.3 | 0.2 | B |