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Type: Posts; User: steppinthrax

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  1. Replies
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    By the time you finish paying off the furnace you...

    By the time you finish paying off the furnace you probably end up paying several thousand dollars more than what's it worth.
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    Try to think of it this way, If you were to...

    Try to think of it this way,

    If you were to build a gas furnace, this is natural gas that is burning inside of a home. What type of "safety features" would you incorporate so that people don't...
  3. Can you post the explanation of this. I'm not...

    Can you post the explanation of this. I'm not finding it through google.
  4. Replies
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    A lot of people talk **** about Harbor Freight...

    A lot of people talk **** about Harbor Freight Tools, but if you play your cards right (coupons and warranties) you can get some good tools there. Sure, I wouldn't use their vacuum pumps etc... I...
  5. Why does a micron gauge rise when you close a vacuum pump valve (short hose)?

    I guess I'm not understanding the function of a vacuum pump. If you take a short hose and have it between the pump and micron gauge. When running the pump (for a good 5 mins) I can get it down to...
  6. That's kind of my thought, Not the equipment...

    That's kind of my thought,

    Not the equipment but the installer.
  7. Why does everyone talk **** about Goodman?

    Just curious?

    I see Goodman systems popping up everywhere. Techs work on them too! Are there specific reasons (technical), as to why people don't like them?
  8. Thread: Errrrr

    by steppinthrax
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    2,317

    I couldn't even realize someone is that ****ing...

    I couldn't even realize someone is that ****ing stupid? A packaged unit is usually huge, how in the hell did they get that up the attic. How the hell is someone going to get that down the attic. ...
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    Are Heat Pumps the most efficient?

    I was reading somewhere on a comparison of multiple heating fuel methods, these were the ranks they gave (most expensive to cheapest).

    Electric Resistant
    Fuel Oil
    Nat Gas
    Heat Pump
    ...
  10. Replies
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    4,516

    Save money, also I think something made out of...

    Save money, also I think something made out of fittings is going to be more serviceable.
  11. Replies
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    4,516

    The main pipe is going to be as large in diameter...

    The main pipe is going to be as large in diameter as the existing tee on the pump. I was going to have some 3/8" flares on there as well.
  12. Replies
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    4,516

    Building a Vacuum Pump Tree

    I saw a few threads on this forum about people building a vacuum pump tree. However, I want to build on with at least 2 valves on it. The top of my pump has a 1/2" flare Fitting. My thought was to...
  13. I'm just curious how you would condition spaces...

    I'm just curious how you would condition spaces such as...

    1. Bathrooms,
    2. Hallways
    3. Mudrooms.

    How would you do a capacity calculation. Let's say you had a 3.5 ton heat pump and you...
  14. Replacing a Central Air Heat Pump system with a Ductless mini-split

    I was talking to someone who wanted to tear out his central air unit and replace it with heat pump mini splits. I was telling him that he would have to run piping to every room and condensate drains...
  15. Thread: Errrrr

    by steppinthrax
    Replies
    27
    Views
    2,317

    I want to see a pic of this ****. LOL.

    I want to see a pic of this ****. LOL.
  16. Thread: Errrrr

    by steppinthrax
    Replies
    27
    Views
    2,317

    Isn't that against code? They need to be...

    Isn't that against code? They need to be outside. How is the unit ventilating if it's closed up in the attic?
  17. Replies
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    437

    If you are in defrost the HP will be in cooling...

    If you are in defrost the HP will be in cooling mode, the emg heat will kick on the gas furnace. I don't know how this would work because I know most gas furnaces take a few seconds to kick on after...
  18. Thread: Errrrr

    by steppinthrax
    Replies
    27
    Views
    2,317

    Help me understand this, a whole ****ing PTAC in...

    Help me understand this, a whole ****ing PTAC in a closed attic? I'm not understanding how that's possible, someone post a picture of it.....
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    437

    So when the emg heat kicks in, the thermostat...

    So when the emg heat kicks in, the thermostat knows to kick over to nat gas?
  20. Replies
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    935

    Gas furnace connected to LP tank

    Does anybody have any experience with how long a gas furnace would last on a 100lb propane tank? Assuming a 80K BTU furnace. Do you or anybody know any customers that have this kind of...
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    437

    Running a Dual Fuel setup

    I'm curious on how would a Heat Pump Paired with a Gas furnace function during the winter. As I understand you need an extra "dual fuel" board on the heat pump unit outside. How do you make a...
  22. Replies
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    That's what I was thinking. That's interesting...

    That's what I was thinking. That's interesting about the 115V solenoid, that must be a good pump.
  23. Replies
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    1,382

    But if you close the valve on the vacuum pump...

    But if you close the valve on the vacuum pump (valve that is built in) it should hold down the vacuum?
  24. Replies
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    Vacuum Pump operation and leak test

    I just got a Robinair 15600 6cfm pump. It seems to work well. I put my supco vg64 on it to do a quick test on how far it pulls down. I used a simple 1/4" piece of copper tubing on the pump with...
  25. I'm just curious what would happen? I seen a...

    I'm just curious what would happen? I seen a unit overcharged once. The manifold gauge (high side) would get up to around 450 then the compressor made a screeching sound, immediately the high side...
  26. Most residential systems don't have a discharge...

    Most residential systems don't have a discharge valve, at least those that I have seen. I don't know why you would want one?
  27. Oh ****, I understand now, the LL is after the...

    Oh ****, I understand now, the LL is after the condenser coil....

    The discharge valve is directly after the compressor (if the unit has one)

    dohhhh!!!
  28. Maybe I'm using the wrong terminology. 1. ...

    Maybe I'm using the wrong terminology.

    1. Close the liquid line and energize the compressor.
    2. When the gauge reaches 0 (or right before 0 in a leak) close the suction line.
    3. There may be...
  29. Do not energize any compressor when the discharge service valve is closed?

    I found this in my literature, but what doesn't make sense is when doing a pumpdown (park refrigerant) the discharge service valve is closed?
  30. Other thing I forgot to ask is why wasn't propane...

    Other thing I forgot to ask is why wasn't propane used as a refrigerant to begin with???

    My thought could be because compressors at that time were crudely made and prone to sparking or igniting HC...
  31. The Use of Hydrocarbon based refrigerants?

    This thread I created is not to ask if it's OK. The purpose of this thread is to spark debate and argument and shed some light on the use of Propane (R-290) and other hydrocarbon based refrigerants....
  32. Replies
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    Yeah I was talking about Manifold Hoses.

    Yeah I was talking about Manifold Hoses.
  33. Replies
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    925

    Follow the hose. It's not like you have 50 hoses...

    Follow the hose. It's not like you have 50 hoses connected, they need to make better hoses.
  34. Replies
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    Stop cracking hoses?

    I bought a set of hoses a few years back. I then notice they have cracks in them (esp when you bend them)? I don't remember what brand they were, but are there brands that last longer or maybe some...
  35. That's kind of what I was thinking. Thanks ...

    That's kind of what I was thinking.

    Thanks

    I just thought that was too simple of a purpose.

    So what your saying is if you OVERCHARGE a system the overcharge portions will end up in both the...
  36. I agree with the existance, but I have a problem...

    I agree with the existance, but I have a problem if someone is truly venting (recorded as venting) then they don't do anything.
  37. That's the kind of **** i'm thinking would...

    That's the kind of **** i'm thinking would happen. You would report someone and they don't do ****. Kind of makes you wonder what's the purpose of the EPA?
  38. What's the purpose of the Liquid Receiver.

    Two components are coming up in my reading.

    1. Accumulator: I understand this (between the evaporator and compressor, there to prevent liquid from entering the compressor.
    2. Receiver: I have...
  39. Replies
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    I went to RE Michaels. I dont know where you...

    I went to RE Michaels. I dont know where you are. Call the supplier. Go to someplace that provides the materials AND test you.
  40. Replies
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    Also if you fail any one section you are still...

    Also if you fail any one section you are still certified.

    Type I and Core is take home, but that will only allow you to work on Type I.

    You must take Universal at a physical test center. Also,...
  41. Replies
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    That's Bull****. The Universal is 100...

    That's Bull****.

    The Universal is 100 questions log

    25 - Core
    25 - Type I
    25 - Type II
    25 - Type III
  42. I guess if you do it, make sure you don't have...

    I guess if you do it, make sure you don't have any friends/family watching. If they suddenly become your enemies they will turn you in.

    How can they really verify? I mean, how would they know...
  43. Replies
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    Those are the exams I've been taking and passing.

    Those are the exams I've been taking and passing.
  44. Replies
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    889

    Are they new materials (up-to-date)? Do you have...

    Are they new materials (up-to-date)? Do you have to give them back?
  45. Replies
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    889

    .

    .
  46. Replies
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    If you go to most supply centers they have a...

    If you go to most supply centers they have a "packet" from QwikProducts. It's pretty much a book, 4 CDs and a set of practice exams for $50.00. Study the book, take a couple of the exams and go for...
  47. I found this, but if you look at the side of the...

    I found this, but if you look at the side of the pic. Those are all just O-rings. You can get them from Lowes. The MAIN SHAFT SEAL you could probably just measure yourself (with a caliper) and...
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    Wow, If we knew that, it might have been a...

    Wow,

    If we knew that, it might have been a good cheap source for some R-22. Just freeze the can and use a tap.
  49. Taking apart a Robinair 15600 Vacumaster Vacuum Pump

    So I got a "junk" vacuum pump from a pawn shop recently. It was able to pull down a vacuum only to about 215 microns when it was just connected to a digital gauge (nothing else connected. When I...
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    I imagined R-11 does a better job flushing then...

    I imagined R-11 does a better job flushing then Rx-11.
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