noises

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    • #277720
      MasterPlumbers
      Keymaster

      i have gas heating.when my furnace goes on it sounds like metal screeching for about 3-5 seconds.and i’ve also noticed the furnace goes on alot in a 1/2 span.any ideas

      thanks

    • #296977
      AKPlumber
      Participant

      Sounds like maybe the combustion motor is going bad or needs lubrication/cinching down/adjustment. Or the squirrel cage.

    • #296978
      Selgas
      Participant

      Depends a lot I guess on what brand, model of unit you have there as well as the drive system for the room air fan motor. I suspect this one has a belt drive and that the belt is stretched some and slipping under loadup which would make the very noise you refer to. If the fan does not run at thr right speed it can make the heater cycle on and off at short intervals by operating the overheat device instead of the thermnostat. Best you get a serviceman to check this unit over and make sure it is set up correctly.



      Selgas Services Ltd
      Craftsman Gasfitters, Plumbers, Electrical Service Technicians

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