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Boiler not heating?

  • Writer: Zach Huber
    Zach Huber
  • Dec 10, 2024
  • 1 min read

Updated: Dec 29, 2024

Is your boiler not heating like you hoped. Follow these steps to help diagnose the problem:


  • Check the settings on your thermostat. Make sure the temperature control selector is set above the current room temperature, and the system switch is on the HEAT or AUTO position.

  • Try to get the boiler to turn on by raising the thermostat to its highest temperature setting.

  • Check the power disconnect switch by the boiler.

  • Check the fuse/breaker at the electrical panel for the boiler.

  • Check to make sure you have fuel oil or check to make sure the gas control valve to the boiler is open.

  • Check the pilot light. (Electronic ignitions will not have a pilot light).

  • If the problem persists, please call us at 410.803.2279

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410.803.2279       excelhvac3@aol.com

19 Brocks Way, Jarrettsville, MD 21084

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