No damage is visible to boiler jacket, refractory, or combustion chamber. Pressure-reducing valves are checked for correct operation and specified relief pressure. Adjust as required. Clearances have been provided and piping is flanged for easy removal and servicing. Heating circuit pipes have been connected to correct ports.
Labels are clearly visible.
Boiler, burner, and flue are clean and free of construction debris. Pressure and temperature gages are installed. Control installations are completed. Ensure pumps operate properly. Check operation of pressure-reducing valve on gas train, including venting.