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  1. If your horizontal pressurized closed loop system...

    If your horizontal pressurized closed loop system needs an air separator and an expansion tank then it was never right from day one. However an expansion tank and an air separator can be added or...
  2. Spoken like a tech familiar with undersized loops.

    Spoken like a tech familiar with undersized loops.
  3. If the loop is sized property there is no need...

    If the loop is sized property there is no need for an expansion tank. All that plastic pipe and (usually) the rubber hoses that connect the flow center to the hp will more than compensate.
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    It's easy to short out low voltage wires on the...

    It's easy to short out low voltage wires on the gas pipe at the pressure switch if the installers had to do the 180 degree turn right out of the gas valve. The ignitor was probably broken by the HO.
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    These numbers with a 52 degree ambient aren't...

    These numbers with a 52 degree ambient aren't abnormal.
  6. I already made this point and is why I quit...

    I already made this point and is why I quit trying to speculate on this post. It just doesn't make sense unless there is zero airflow across the coil.
  7. Showmetech if you are a technician you should be...

    Showmetech if you are a technician you should be able to give us superheat and sub-cooling readings. Otherwise this isn't a DIY forum.
  8. What doesn't make sense is the 0 degree suction...

    What doesn't make sense is the 0 degree suction line temp. Was that a misprint?
  9. You desperately need an hvac professional......

    You desperately need an hvac professional... quick.
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    Hvac companies should not be providing any...

    Hvac companies should not be providing any electrical parts to homeowners. There is no warranty on parts sold over the counter. Had the technician installed the board he would be resonsible.
  11. 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...
  12. 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...
  15. 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.
  16. Thread: Turbo torch

    by crmont
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    4,257

    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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    682

    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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    682

    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.
  21. Replies
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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.
  24. It sounds like a good way to blow yourself up.

    It sounds like a good way to blow yourself up.
  25. Replies
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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.
  26. Replies
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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.
  29. Replies
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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?
  30. 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
  31. 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?
  35. Replies
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    1,226

    Twinned? Upflow?

    Twinned? Upflow?
  36. Replies
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    1,226

    Are these 2 stage?

    Are these 2 stage?
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    Fyi thosr cple units were notorious for leaking...

    Fyi thosr cple units were notorious for leaking out the service caps. A cple18 takes forever to put out any heat. Not much happens for the first 20 minutes of operation. A new heat pump with an...
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    How close is the pump to the inlet pressure port?

    How close is the pump to the inlet pressure port?
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    Keep it running. It's the cycling that wears them...

    Keep it running. It's the cycling that wears them out. Just like a cars engine.
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    And/or the exhaust fans are probably vented...

    And/or the exhaust fans are probably vented poorly.
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    I better not...

    I better not...
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    Does the indoor temperature overshoot the setting...

    Does the indoor temperature overshoot the setting on the stat? Does the indoor temperature indication jump up shortly after the termination of the heat cycle?
  43. Yes it should have had the bypass thermostat...

    Yes it should have had the bypass thermostat installed.
  44. What was the ambient temp when it locked out?...

    What was the ambient temp when it locked out? Does the stat alert you whenever lockout occurs?
  45. A technician can take duct pressure readings and...

    A technician can take duct pressure readings and determine if there is somthing impending the airflow. It would help if you had the furnace doccumentation on hand.
  46. 19 vents in a 1600sq ft 2nd story? There's...

    19 vents in a 1600sq ft 2nd story?

    There's really not much that can be done if your filter is clean. You need professional help (hvac wise)
  47. The size of the blower and its set speed is more...

    The size of the blower and its set speed is more relevant than the btu. Why do you think its not blowing enough air? Is it a new install? We need more info.
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    And a bucket to sit on.

    And a bucket to sit on.
  49. You need a service call. How's the air filter?

    You need a service call. How's the air filter?
  50. Was there a liquid line filter drier installed...

    Was there a liquid line filter drier installed somewhere in the refrigeration line?
    http://www.comfortgurus.com/images/83-BFK-163S.jpg
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