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  1. Oil furnace, limit switch triggering, poor air flow? (Continued)

    I appreciate all the replies so far, however I'm still confused and would appreciate anyone who can clarify the situation. I am using a professional HVAC contractor and was hoping to get a second...
  2. Thanks for your replies. I don't know what...

    Thanks for your replies. I don't know what calculations were done to determine the correct size furnace for the house. It seems like it would need a decent size furnace, since it heats a 3,500...
  3. Oil furnace, limit switch triggering, poor air flow?

    Hi,

    I have a Lennox 023Q5-140 oil furnace, with forced air, which is approx. 10 years old. Lennox told me that it is a 5 Ton 2,000 CFM unit.

    Last year the heat stopped and the mechanic...
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