YOUR GAS BOILER TUNE UP WILL CONSIST OF THE FOLLOWING :

• Check for carbon monoxide
• Check thermostat calibration
• Clean ignition assembly
• Test starting capabilities
• Change water sight glass*
• Monitor flue draft
• Check flue pipe (for leaks)
• Vacuum out chimney base
• Vacuum out main burners
• Test all safety controls
• Tighten electrical connections
• Check gas pressure
• Check burner flames output
• Check pilot light flame
• Check thermo coupling
• Lubricate all moving parts
• Check low water cut off*
• Check pressure control
• Check water feeder*
• Check return line (in site only)

• Check boiler sections (in site only)
• Check switch relays
• Check transformers
• Check drain out valves
• Check carbon monoxide spill switch
• Check end of the line air valve*
• Check bleeder valves**
• Check safety roll of switch
• Check circulator pump**
• Check water flow valve**
• Check circulator pump flanges**
• Check chimney base connection
• Check back flow preventer
• Check emergency switch
• Check aquastat
• Check flu damper
• Water level sight glass/valves*
• Check air level in boiler room
• Emergency valves tags on water,
  gas and drain shut off valves

*Gas Steam Boiler  **Gas Hot Water Boiler