**Boiler Service Call** **Work Performed:** - Responded to issue with one portion of the house not heating. - Inspected boiler system and determined the affected zone valve was likely sticking. - Manually operated the valve and confirmed the zone began heating properly. **Results:** - System is now circulating heat through all zones. Client will monitor valves as possibility of valves being stuck open. - Boiler operating, but due for comprehensive maintenance to ensure reliability and safety. **Recommendations:** - Perform full maintenance including: - Removal and cleaning of burner rack - Verification of operating and safety pressures - Bleeding of the radiator system - Confirming all four zones are correctly tied to their respective thermostats - Ensuring all zone valves are operating smoothly - Creating a clear layout of the boiler system for future reference