Snelling Company Boiler & Water Heater Tune-up

Boiler Tune-up

  • Check Thermostat.  Make sure all functions work, time and day are correct.
  • Drain expansion tank as needed
  • Purge air from system as possible
  • Check water pressure
  • Check aquastat/limit control.
  • Test automatic vent damper (if applicable)
  • Inspect boiler sections.
  • Test zone motors (if applicable)
  • Test for any carbon monoxide leaks/ventilation issues.
  • Adjust water temperature if needed.
  • Clean burner compartment.
  • Check burner/flame condition.
  • Check igniter condition.
  • Clean flame sensor/pilot assembly.
  • Check gas pressure.
  • Check input voltage.
  • Check low voltage transformer output.
  • Check electrical safety controls.
  • Check and secure all electrical connections.
  • Check venting

Water Heater Tune-up

  • Check venting.
  • Check thermocouple and measure signal.
  • Pull burner out.  Check and clean.
  • Clean pilot assembly.
  • Check for proper draft.

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