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  1. Thread: silver solder

    by cy
    Replies
    34
    Views
    20,196

    bump for a good thread .. at least the first part

    bump for a good thread .. at least the first part
  2. Thread: Digicool problem

    by cy
    Replies
    23
    Views
    805

    has the quality of new digicool gone down?

    has the quality of new digicool gone down?
  3. Replies
    29
    Views
    1,081

    quality plumbing tools ..

    quality plumbing tools ..
  4. Replies
    32
    Views
    1,748

    definitely go with tried and true Fluke meters

    definitely go with tried and true Fluke meters
  5. Replies
    26
    Views
    1,780

    nitrogen or CO2 works great for brazing. don't...

    nitrogen or CO2 works great for brazing. don't depend on regulator to meter flow, crack your valve to set flow to where you just barely hear hissing from outlet side.

    CO2 is easier/cheaper to...
  6. Thread: Refrigerant hoses

    by cy
    Replies
    54
    Views
    4,505

    perhaps a hybrid of 5/8" or 3/4" copper tubing...

    perhaps a hybrid of 5/8" or 3/4" copper tubing for main run with small length of flexible tubing on end(s), but that would be adding additional leak points .. shouldn't be too hard to find...
  7. Replies
    38
    Views
    2,804

    thanks .. just found the appion mega flow hoses....

    thanks .. just found the appion mega flow hoses. good idea to use YJ short ball valve hoses.
    just trying to simply by custom making up one set of 1/2in hoses to short hose with ball valve. ...
  8. Replies
    45
    Views
    2,243

    +1

    +1
  9. Thread: Refrigerant hoses

    by cy
    Replies
    54
    Views
    4,505

    this opens up all sorts of possibilities of using...

    this opens up all sorts of possibilities of using low costs teflon hoses for vac only .. already duplicated fast evac rig by making my own T fittings up along with using 2x 3/8 hoses. this would...
  10. Thread: Refrigerant hoses

    by cy
    Replies
    54
    Views
    4,505

    Wow .. Welch 8907 pump ... NICE .. hmmm you...

    Wow .. Welch 8907 pump ... NICE ..
    hmmm you recovered it by lapping vanes .. that's good info to know
  11. Thread: Refrigerant hoses

    by cy
    Replies
    54
    Views
    4,505

    you have to be able to isolate micron gauge from...

    you have to be able to isolate micron gauge from hoses and vacuum manifold. closing valves on core removal tool. accomplishes that. fun is when access ports are located so tight it's not possible to...
  12. Replies
    38
    Views
    2,804

    bump .. so what's the best hoses with ball valves...

    bump .. so what's the best hoses with ball valves available?

    does anyone make 3/8in or 1/2in hose with ball valves and 2x 1/4in fittings for hi and low ports.
    yes hoses will be bulky, but using...
  13. Thread: Refrigerant hoses

    by cy
    Replies
    54
    Views
    4,505

    what a killer idea ... got all sorts of hose fab...

    what a killer idea ... got all sorts of hose fab shops local
  14. Thread: Fluke 9040

    by cy
    Replies
    8
    Views
    541

    pretty handy if you've got access to motor before...

    pretty handy if you've got access to motor before it goes down.
  15. Replies
    24
    Views
    3,663

    just scored a Little Giant Ultra Lite non...

    just scored a Little Giant Ultra Lite non conductive ladder .. ultra lite is marketing speak for heavy .. 39lb for 17ft version below. which is 10lb lighter than 49lb Little Giant fiberglass version....
  16. Replies
    9
    Views
    1,207

    thanks and congrats for finishing the LG course....

    thanks and congrats for finishing the LG course. IMHO one gains a competitive advantage knowing how to work on ductless mini-splits.
  17. Replies
    9
    Views
    1,207

    there's a plate on outside unit with correct...

    there's a plate on outside unit with correct charge. figure 25ft run per circuit for factory charge. you really need to download the installation manual for your particular model.

    yes the only...
  18. Replies
    24
    Views
    3,663

    Another case of a faulty Telesteps ladder causing...

    Another case of a faulty Telesteps ladder causing a fall, this time resulting in spinal injury for home inspector Rick Neveaux. Rick, hope you get better soon.


    Dear CAHPI(BC) member,

    I want...
  19. Replies
    35
    Views
    4,071

    looks like feedback on these new Hilmor digital...

    looks like feedback on these new Hilmor digital gauges are not too good ...
  20. Thread: Megger readings

    by cy
    Replies
    33
    Views
    2,098

    here's my Fluke 1520 ...

    here's my Fluke 1520

    http://img.photobucket.com/albums/v186/o0pss/DSC09852.jpg

    some old timers prefer this style megger with crank ...
  21. Replies
    30
    Views
    1,923

    good grief!~

    good grief!~
  22. Replies
    16
    Views
    2,751

    thanks .. was thinking I was the only one that...

    thanks .. was thinking I was the only one that preferred dial-a-charge for small charges.
    charge using dial-a-charge is typically under 3lbs.

    got two different dial-a-charge for different...
  23. Replies
    40
    Views
    3,581

    airgas guy specifically stated his customers had...

    airgas guy specifically stated his customers had been buying industrial grade Co2 for pressure testing HVAC systems. unless one is pulling a deep vacuum before pressure testing odds are there will be...
  24. Replies
    40
    Views
    3,581

    here's airgas Co2 technical description link to...

    here's airgas Co2 technical description link to pdf ... bone dry is listed as 99.9%
    http://www.airgassgcatalog.com/catalog/pg013.pdf

    Linde food grade Co2 is listed as 99.9%...
  25. Replies
    40
    Views
    3,581

    what grade are you buying? Bone dry or plain ole...

    what grade are you buying? Bone dry or plain ole industrial grade?
    Airgas guy is saying the industrial grade works just fine.
  26. Replies
    40
    Views
    3,581

    finally got a straight answer from an old timer...

    finally got a straight answer from an old timer at Airgas. he'd been selling Co2 industrial grade to folks for HVAC work for 30+ years. he said Bone dry grade would raise cost so high to be not worth...
  27. Replies
    40
    Views
    3,581

    welding shield gas is industrial grade, which is...

    welding shield gas is industrial grade, which is same as food grade according to folks that I've talking to.

    already googled up a storm on CO2 purity ... found all sorts of info, but needed to...
  28. Replies
    40
    Views
    3,581

    thanks .. what grade Co2 is everyone using ......

    thanks .. what grade Co2 is everyone using ... bone dry grade is hard to find around here and more expensive than nitrogen. can't seem to get a straight answer from local gas supplier as to purity of...
  29. Replies
    40
    Views
    3,581

    hmmmm .. dry CO2 may be OK to pressure test with?...

    hmmmm .. dry CO2 may be OK to pressure test with?
    been using CO2 as shielding gas for welding steel for years.

    just scored one of these ... sure is a pita/$$ refilling small nitrogen tanks and...
  30. Replies
    11
    Views
    10,226

    does anyone have feedback on LG ductless mini...

    does anyone have feedback on LG ductless mini split heat output performance?
  31. Replies
    21
    Views
    3,203

    R410A is a zeotropic refrigerant, behaves almost...

    R410A is a zeotropic refrigerant, behaves almost as if it was an azeotrope. there are only two refrigerants with very close boiling points at constant pressure. R410A is a 50:50 mixture by weight of...
  32. Replies
    51
    Views
    7,559

    interesting thread....

    interesting thread....
  33. Replies
    21
    Views
    3,203

    throw out all of above .. ie conventional...

    throw out all of above .. ie conventional thinking
    vapor temp is only an approximate indicator charge is correct.

    pressures on smaller line is identical to larger line. can't speak for other...
  34. Replies
    21
    Views
    3,203

    LG ductless mini splits only come with one...

    LG ductless mini splits only come with one service port per station on vapor side.
    there are no service valves on inside ... a royal PITA if you only need to remove a few oz. the entire charge...
  35. Replies
    21
    Views
    3,203

    listing is confusing too... it's 5/16 but uses...

    listing is confusing too... it's 5/16 but uses 1/2 20 UNF
    here's the correct. part number below ($3.35) .. make sure you get the style that depresses shrader valve.

    AD87 CPS 1/4" SAE M x 5/16"...
  36. Replies
    21
    Views
    3,203

    that just sucks that these 410 ductless mini...

    that just sucks that these 410 ductless mini splits decided to non-conventional size fittings. was in the middle of no where (1.5 hours drive) today installing an LG unit.

    critical charge only .....
  37. Replies
    51
    Views
    9,620

    nope... I was asking ... so if I'm reading...

    nope... I was asking ... so if I'm reading correctly. it's not possible for a wrong charge alone to contaminate oils?
  38. Replies
    51
    Views
    9,620

    what an interesting topic ... no it's not a good...

    what an interesting topic ... no it's not a good idea, but what do you do when you find a unit marked with all sorts of different refrigerants?

    no telling what's inside. even if one evacuates...
  39. Replies
    881
    Views
    36,688

    zimmerman makes a good teflon man ... as in...

    zimmerman makes a good teflon man ... as in nothing sticks to him
  40. Replies
    881
    Views
    36,688

    Woman accuses Zimmerman of child molestation A...

    Woman accuses Zimmerman of child molestation

    A woman identified only as Witness 9 tearfully told Florida authorities investigating George Zimmerman for the fatal shooting of an unarmed teen that...
  41. Thread: inficon tek mate

    by cy
    Replies
    11
    Views
    1,862

    buy an H-10 off ebay for about $100 or less...

    buy an H-10 off ebay for about $100 or less
    they've been making em for 20+ years, same super rugged design.
    so odds are in your favor a used H-10 is going to work.

    H-10 will out perform...
  42. Replies
    45
    Views
    5,263

    Yellow Jacket Accu charge or Robinair...

    Yellow Jacket Accu charge or Robinair Dial-a-charge heated charging cylinder should work fine.

    this Accu charge for R134 has 1/4 oz for each mark. some come with 1/8 oz markings.
    ...
  43. Replies
    881
    Views
    36,688

    Zimmerman granted $1 million bond Prosecutors...

    Zimmerman granted $1 million bond

    Prosecutors had asked for bond to be denied, or else for it to be set at $1 million.

    Lester found that Zimmerman had manipulated the system, but that it was...
  44. Replies
    62
    Views
    5,488

    sorry for your loss...

    sorry for your loss...
  45. Replies
    881
    Views
    36,688

    this is a perfect example of how someone can...

    this is a perfect example of how someone can twist ANYTHING. here's the complete sentence. leaving off the last part completely changes entire meaning.

    --------------
    Abstract
    A lie detector...
  46. Replies
    881
    Views
    36,688

    several formal scientific tests with controls...

    several formal scientific tests with controls have already been done. if you take the time to read abstract above. perhaps that would lead to reading the pdf attached (backing documentation from...
  47. Replies
    881
    Views
    36,688

    when actual verifiable research was done. like...

    when actual verifiable research was done. like using a group of Okla. prisoners. when results of so called stress tests were compared against physical drug tests. Conclusion was: these so called...
  48. Replies
    5
    Views
    1,706

    here's the initial test with fitting only.. 47...

    here's the initial test with fitting only.. 47 microns
    pulled a system down to 335 microns with 1/2in & 1/4in hose in about 10 minutes.

    http://img.photobucket.com/albums/v186/o0pss/DSC09959.jpg...
  49. Replies
    881
    Views
    36,688

    seems like both are murders ... several major...

    seems like both are murders ... several major points are the same with different laws. so results may or may not end up the same.

    highly likely Florida prosecutor will say:

    Prosecutors called...
  50. Replies
    5
    Views
    1,706

    double flare fittings are handy keeping your...

    double flare fittings are handy keeping your large hoses clean. note double flare fittings are available stepped.

    http://img.photobucket.com/albums/v186/o0pss/DSC09956.jpg
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