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Type: Posts; User: hvacker

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  1. Replies
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    Very light. Not intended for pressure is right. I...

    Very light. Not intended for pressure is right. I thought using it was risky. He wanted to close the job and get paid.
    I was watching "This Old House". They were in SF and reworking some copper DWV....
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    I remember a contractor that needed a 3" ell to...

    I remember a contractor that needed a 3" ell to finish an install. Didn't have one but found a DWV ell. Very light weight.
    Lighter than "M" I believe. The machine ran and didn't fail. Not that...
  3. Mistrust happens. Those that have been on this...

    Mistrust happens. Those that have been on this site for awhile know of companies that deserve mistrust.

    I have mistrust when ever I need to make an investment and know how some companies operate....
  4. A contractor, some time ago, wanted to back...

    A contractor, some time ago, wanted to back charge his techs if they forgot or neglected something.
    He even wanted to charge the tech if another tech went back to fix something falling into his...
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    Well known but I think some of us are just a tad...

    Well known but I think some of us are just a tad lazy to look them up.
  6. I my world there are no conspiracies, or world...

    I my world there are no conspiracies, or world plots, or secrete hand shakes,
    Just a bunch of half assed under achievers constantly dropping the ball.

    I remember when I realized, and I've wrote...
  7. I worked as an A&P mechanic and everything done...

    I worked as an A&P mechanic and everything done was inspected by an aircraft inspector and was very strict.
    The airplane gets an airworthy certificate and things only change after gong thru a...
  8. If thinking about this, understanding that other...

    If thinking about this, understanding that other viruses have come from China, it would seem sensible to fund their research.
    Because of the origins it might also seem China would be ahead in this...
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    Multi-meters are an OK tool for troubleshooting....

    Multi-meters are an OK tool for troubleshooting. It's usually the go to for diagnosis. But there are other tools
    that might be good in your box for more precise readings. One is the ESR meter...
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    Shrapnel reminded of that event. A warning, when...

    Shrapnel reminded of that event. A warning, when replacing a cap, put the panels back on before applying power.
    I had a new one blow this way. It will get your attention.
    Not just the big ones. I...
  11. I've always heard of what happens if the valve on...

    I've always heard of what happens if the valve on a nitro or oxy tank is broken off. How it
    will fly. Well two guys I know tried this by shooting the valve. Deserted place by a lake.
    Full tank of...
  12. The best I've used is a bar a Castile soap in a...

    The best I've used is a bar a Castile soap in a coffee can of water. The soap is made from coconut oil I'm told.
    Bubbles like crazy and can be used on oxygen lines safely. It will freeze though. ...
  13. I've been shopping for awhile and discovered the...

    I've been shopping for awhile and discovered the window retailers are running a racket.
    My wife is an account for a resi builder, she did the research. We found when you
    have access to the real...
  14. Replies
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    One or two short radius ells probably wouldn't be...

    One or two short radius ells probably wouldn't be noticed on a resi system. On the liquid line I don't think it
    matters at all because the liquid moves slow compared to the low side. This also...
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    Yup, ol fart syndrome.

    Yup, ol fart syndrome.
  16. Replies
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    2,058

    PVC's Polyvinyl-chloride, if I remember. In...

    PVC's Polyvinyl-chloride, if I remember. In transformers too. Big ones.
    The plastic inevitable. I would think a shrinking the dielectric couldn't help. Size might matter.

    My Uncle had a...
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    This is a rather new phenomenon. Caps often...

    This is a rather new phenomenon. Caps often lasted the life of the unit. But this was before most techs had any way to get a value.
    Something has changed.One is the size reduction.
    5# in a 2# can....
  18. Thread: OK. I give up!

    by hvacker
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    513

    It sounds like the duct came apart. The velocity...

    It sounds like the duct came apart. The velocity of the supply is drawing in and mixing air from the joist span it's
    run in. Kind of like a paint sprayer that blows air over a tube that draws the...
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    Feng Shui, ancient Chinese method of the Right...

    Feng Shui, ancient Chinese method of the Right Way.
    Me thinks this is what AP had in mind. But he has me on "Ignore"
  20. Replies
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    Not sure over time. I now with electronic...

    Not sure over time. I now with electronic projects there is usually wiggle room. Like 10%. Your at 33%.
    But that's not a motor. I do believe it happens all the time. Techs get in a place or position...
  21. Ouch! Thing about alcohol is it's harmless to...

    Ouch!
    Thing about alcohol is it's harmless to the internals. Leaves no residue, it's cheap,
    easy to remove from a system, but the big thing is it displaces water.

    I learned about using alcohol...
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    I had a broken con rod on a Copeland. A local...

    I had a broken con rod on a Copeland. A local supply house let me cannibalize one like it that had failed and was due to be returned.
    Con rod and piston fro zero $$. You probably know but use...
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    Manual N includes things not normally considered...

    Manual N includes things not normally considered in a resi load. A resi load rule of thumb might be 600 sqft/ton
    where a rule for commercial might be 400 sqft/ton. I use rules of thumb only for...
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    Do it carefully. Carrier gave me some to etch a...

    Do it carefully. Carrier gave me some to etch a new evap coil when it was oily from a fast food kitchen or manufacture.
    It did work but I don't know the concentration. Powered form. No damage but...
  25. I haven't heard if anyone has tried the PVC...

    I haven't heard if anyone has tried the PVC ducts. Looked interesting.
    Maybe the way it's been done for a long time. metal duct with rigid insulation.
  26. Find another option.

    Find another option.
  27. I'd use a rain gauge. :) We don't need to know...

    I'd use a rain gauge. :) We don't need to know how much. If there is reason to suspect a substantial amount like the OP has,
    it's more about how to get rid of it with the most effective way. Many...
  28. With liquid water in a system, using a vacuum...

    With liquid water in a system, using a vacuum pump is an exercise in futility.
    Unless there is a lot of time to use up. Liquid water is not something most dehydration doesn't encounter.
    It will...
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    Many times re-heat is necessary when the cooling...

    Many times re-heat is necessary when the cooling coil is used to cool and de-humidify a space.
    Make sure you don't need re-heat for that purpose.
    Sometimes I've had t limit the re-heat valve's max...
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    When I started I used a hot 110 cord with a light...

    When I started I used a hot 110 cord with a light bulb. Touch one lead to the compressor and the other to the windings.
    Not a great idea but it did load the windings.
    I have a Biddle (hard to...
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    I saw bitcoin sponsored an Indy car Sunday. Or...

    I saw bitcoin sponsored an Indy car Sunday. Or partial sponsored. One way to appear legitimate.
    Investment in an inflated currency is curious. Greed is King. The FlimFlam man says loss can be a...
  32. Replies
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    Seeing double.

    Seeing double.
  33. Replies
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    I've installed a bunch in the 70's. They were...

    I've installed a bunch in the 70's. They were probably the most advanced units electronically. The charging procedure was classic.
    I knew of a shop that would turn around and go home if they saw...
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    While there is some wiggle room a evap coil will...

    While there is some wiggle room a evap coil will de-humidify to the dew point temperature. That will depend on
    the air temp but still is not that different within reasonable limits.
    A de-humidifier...
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    Nothing to do with stupid. Maybe it's kind of...

    Nothing to do with stupid.
    Maybe it's kind of like how when the gas gauge says empty.
    Some people will tilt their head or move left or right to try for another opinion.

    I usually expect a...
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    The best reason for an education in a tech field...

    The best reason for an education in a tech field is to learn how to find information.
    To ask others for an answer is to short circuit the process.
    CircusEnvy gave similar advice. If you have...
  37. Replies
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    Code is like speed limits. Just lil ol' ladies...

    Code is like speed limits. Just lil ol' ladies pay attention to them. Kidding si.
  38. Replies
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    Well known reaction but it usually won't stop...

    Well known reaction but it usually won't stop most techs from putting up with the negatives.
    Back when systems were blown off because of a total roast or whatever, exposure was common.

    It...
  39. Replies
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    Sabr7 quote "I think to myself, this is going to...

    Sabr7 quote "I think to myself, this is going to be cake! I was so sure of it that I walked up to the unit with a fresh capacitor in my pocket! "

    My best advice is don't fix a job before you get...
  40. Replies
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    What's curious is using nitro is far from new...

    What's curious is using nitro is far from new technology. I was shown the method in 1970 when I started in the mechanical end.

    Something that hasn't been known well is brazing with a refrigerant...
  41. Replies
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    What's curious is using nitro is sounding like...

    What's curious is using nitro is sounding like new technology. I was shown the method in 1970 when I started in the mechanical end.

    Something that hasn't been known well is brazing with a...
  42. Replies
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    Every installer/technician you've said you met...

    Every installer/technician you've said you met for the last 5 years was WRONG.
    Every technician you've met for the last 5 years, wasn't.
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    Learn how you learn. Most people will do OK if...

    Learn how you learn.
    Most people will do OK if they expose themselves to information and like you wondered, walk away for awhile.
    It has to do with how a brain processes new information. We find...
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    Your body won't differentiate between proteins....

    Your body won't differentiate between proteins. Haggett, head cheese. blood sausage.. There must be one of them you like?
    Snouts, chicken lips...
    I was in a Chinese grocery store picking up some...
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    I guess if a thief knew how to remove the...

    I guess if a thief knew how to remove the platinum and palladium and what ever they wouldn't need a scrap yard.
    I'll bet there's a YouTube.
  46. Replies
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    I was reading Car Talk. He had a person write in...

    I was reading Car Talk. He had a person write in with a Japanese car (??) and said they took the whole tail pipe. $2000
    to replace because of sensors etc.. I wonder if insurance covers it or is it...
  47. People that believe in MMCC also believe what...

    People that believe in MMCC also believe what ever it takes, just do it.
    If the predictions are right, in the future they will have their image on statues in the parks.
    If wrong it will be...
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    Sting( the musician) said making love takes 8...

    Sting( the musician) said making love takes 8 hours and includes dinner and a movie.

    I didn't subscribe to this post because I thought my loosing weight was fairly hopeless.
    Not seriously over...
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    What I don't know for sure is what a constant...

    What I don't know for sure is what a constant electrical switching would do. I have seen many that switched for years
    w/o a problem and the ones that failed were few. They are hermetically sealed...
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    I once worked for a Chrysler contractor. He had...

    I once worked for a Chrysler contractor. He had to switch control brands because too many people didn't want the
    Chrysler crap as they put it. The equipment was OK but too many associated them with...
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