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Type: Posts; User: Slim_Miller

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  1. Replies
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    You nailed it. Orifice was partly blocked. It...

    You nailed it.
    Orifice was partly blocked. It was burning fine but was making my vacuum in the burner box fluctuate, making my manifold pressure go crazy. Everything is great now.
    Thanks everyone...
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    Only unit on that meter, no regulator up stream,...

    Only unit on that meter, no regulator up stream, voltage stay constant.
    Talked to Lennox tech support and after a lot of talking, he thinks i have an inducer issue.
    I'm heading back there tomorrow...
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    yup, inlet stays at 6.6" the whole time

    yup, inlet stays at 6.6" the whole time
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    I'm getting low temp rise, 15 - 20 deg F....

    I'm getting low temp rise, 15 - 20 deg F. Manufactures specs 40 - 70 deg F. Indoor fan speed is ok, im not getting any outside air in, and i tried to clock the meter, i couldn't tell the scale of the...
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    manometer is six months old and my hoses are...

    manometer is six months old and my hoses are fine. The same hose and meter was used to test all my other pressures at the same time.
    The burner is kind like an in-shot, the heat exchanger is kind...
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    Its single stage, Manufactures specs call for...

    Its single stage, Manufactures specs call for 2.7".
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    This is the 2nd valve, original valve did the...

    This is the 2nd valve, original valve did the same thing.
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    Lennox RTU, manifold pressure

    Working on a GCS16-653-125-3J. Im not to familiar with these units. My issue is my manifold pressure jumps up and down. From a high of 2.8" to just below 1". I have a rock steady inlet pressure of...
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