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  1. Don't get sidetracked by the imperfections on the...

    Don't get sidetracked by the imperfections on the coil fins. Often they are shipped that way. It has nothing to do with your issues. Get your fan speed, cycle rate and water leak fixed first. The...
  2. How could he have never heard of purging but had...

    How could he have never heard of purging but had nitrogen on his truck?

    A heat sink would only be needed when welding near other components such as the service valves.

    You may have lucked out...
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    Yes but you should also temporarily close off...

    Yes but you should also temporarily close off supply registers to increase the pressure. A standard BBQ lighter can be used at the exchanger mouth. If there is a positive pressure in the heat...
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    The proper sized filter shouldn't be an "option"....

    The proper sized filter shouldn't be an "option". I guess soft copper is an acceptable gas line? Is that a vertical 9" flex duct? All that room and the furnace is sitting on the floor? There are 4...
  5. Iraq had lots of chemical weapons of mass...

    Iraq had lots of chemical weapons of mass destruction. They were found in 03 and 04.
    Bush acted in the best interest of the country in every decision he made.
  6. Thread: Turbo torch

    by crmont
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    3,430

    I'll guess about 40 minutes with a large tip.

    I'll guess about 40 minutes with a large tip.
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    Let me know if you have more trouble and I'll...

    Let me know if you have more trouble and I'll call my supplier and post the number
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    It's not in the book but call them and give them...

    It's not in the book but call them and give them the name and number. It's a special order.
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    Essex #227 3301 10 (nat. gas)

    Essex #227 3301 10 (nat. gas)
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    465841 This is the same valve and my Johnstone...

    465841 This is the same valve and my Johnstone supplier can get a replacement for 120.00.
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    Believe it or not, Oregon is an arid climate in...

    Believe it or not, Oregon is an arid climate in the summer. A slightly oversized air conditioner rarely translates to any issues.
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    Post an indoor unit model number please.

    Post an indoor unit model number please.
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    I've seen melted plastic pipe near a pump a few...

    I've seen melted plastic pipe near a pump a few times. It's best to use a few feet of copper at the pump connections to dissipate intense heat in the event of failure.
  14. It sounds like a good way to blow yourself up.

    It sounds like a good way to blow yourself up.
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    But now Liquid will be present throught the...

    But now Liquid will be present throught the gauges. The unt must be running with low side attached.
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    I just realized that I posted to the open tech to...

    I just realized that I posted to the open tech to tech chat. Some admin please delete references to the videeo
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    Obviously the system has to be running to...

    Obviously the system has to be running to equalize the pressure in the gauges.
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    Open all the interior doors to elevate the...

    Open all the interior doors to elevate the problem for the short term.
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    Make sure they set the fan speed necessary for...

    Make sure they set the fan speed necessary for 7.5 kw
    Got new pics?
  20. The bypass stat bypasses the low pressure switch...

    The bypass stat bypasses the low pressure switch to prevent nuisance lock outs caused by ambient temps below 15f
  21. I dont think they have a dedicated outdoor air...

    I dont think they have a dedicated outdoor air sensor. They use a local weather station for various things. One issue I've found: when the local weather station goes down the stat holds the last...
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    We know about the plenum but ducts off the end? ...

    We know about the plenum but ducts off the end?

    I assumed from the beginning that your system has a 5kw heater because that's the largest heater that can exist on a #10 circuit. A 7.5 kw will...
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    What other mechanical air moving devices are...

    What other mechanical air moving devices are within the envope of your furnaces and your combustiion air inlets? Are all the empy knockouts sealed? Is the gas line penetration to the furnace sealed?
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    Where do those combustion air ducts go?

    Where do those combustion air ducts go?
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    Twinned? Upflow?

    Twinned? Upflow?
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