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  1. Thread: nitro brazing

    by Pneuma
    Replies
    32
    Views
    2,198

    Green88 so you don't flow while brazing? Just...

    Green88 so you don't flow while brazing? Just flush the pipe and then keep it sealed. I think that is exactly the way to go. Thanks. Saves on the nitrogen also.
  2. Thread: nitro brazing

    by Pneuma
    Replies
    32
    Views
    2,198

    GA. If you open the end of a duct is there no...

    GA. If you open the end of a duct is there no static pressure in the middle? No static no flow
  3. Thread: nitro brazing

    by Pneuma
    Replies
    32
    Views
    2,198

    How do you know you have nitrogen in the fitting...

    How do you know you have nitrogen in the fitting your brazing. Having no problem is different than doing it well. I'm not looking for help. Just saying if you have X static in the joint you have to...
  4. Thread: nitro brazing

    by Pneuma
    Replies
    32
    Views
    2,198

    nitro brazing

    Brazing with nitrogen is hard. You can't flow through a tube or a duct without building static. Science right? Well that static can at times pushe the brazing material out of the joint. So at...
  5. Replies
    24
    Views
    2,943

    The flame is conductive and the circuit is...

    The flame is conductive and the circuit is between the flame rod and the burner. So be sure to clean the metal parts of the burner near the flame rod so you get good current. You should also put a...
  6. Thread: Odd Tubing Size

    by Pneuma
    Replies
    5
    Views
    1,003

    I did some work in apartment building built in...

    I did some work in apartment building built in the 30's. the plumibing copper was all odd sized stuff. Apparently before they had standards companies made copper pipe and the fittings to go with...
  7. Replies
    623
    Views
    115,089

    oh s%6&!

    This was years ago. Low income high rise, no cooling call. Found the Honeywell T87-f being used as an incense holder and of course the incense was keeping the mercury bulb from moving. Called back...
  8. Thread: T775 changeover

    by Pneuma
    Replies
    0
    Views
    297

    T775 changeover

    I want to use a honeywell T775 to control a two way valve on a 100% OA air handler. I want to automatically switch the action of the control when the system is flowing chilled water or hot water. ...
  9. Replies
    22
    Views
    1,635

    I used to teach my apprentices, yes I am union, a...

    I used to teach my apprentices, yes I am union, a more detailed view of this. It went like this. As a steamfitter you are an skilled craftsman, you are your own man, a hired gun. You own...
  10. Thread: welding machine

    by Pneuma
    Replies
    6
    Views
    836

    welding machine

    I'm looking to buy a welding machine for retrofit jobs, small pipe 4" or maybe an occasional 6" flange. Electric single phase 230 volt. I'm not a welder, I just want to have a machine to use so I...
  11. Replies
    4
    Views
    799

    These guys sell a lot of SPX stuff so I think...

    These guys sell a lot of SPX stuff so I think they are authorized. But who knows, the warranty is not a big deal to me, I like this detector and for 196out the door, if I can get a couple of...
  12. I have the Milwaukee m-18 4 piece set. light,...

    I have the Milwaukee m-18 4 piece set. light, impact driver, hammer drill and sawzall. Maybe I am being too rough on the tools, but I expect a tool should be designed to fall off a six foot ladder...
  13. Replies
    4
    Views
    799

    tif zx-1 good deal

    $196 including 10 bucks for shipping. http://www.ntxtools.com/

    These are great leak detectors, but a little fragile. Mine is acting alittle funny lately so I checked this place after they sent me...
  14. Replies
    186
    Views
    34,460

    I just ordered the bluevac and the appion...

    I just ordered the bluevac and the appion megaflow kit from Truetech tools. I got the kit without the gauges. Used it on a 10 split system with 120' of 1-5/8" pipe. Worked great, having the big...
  15. Replies
    8
    Views
    2,408

    I've had problems with it too. I got a new...

    I've had problems with it too. I got a new sensor for it and it's still all over the map. I had to buy a supco just to get a job done, even that one seemed iffy, I'm going to order the bluvac.
  16. Thread: time on break

    by Pneuma
    Replies
    5
    Views
    972

    no, just y-1

    no, just y-1
  17. Thread: time on break

    by Pneuma
    Replies
    5
    Views
    972

    existing stat is an old honeywell chronotherm,...

    existing stat is an old honeywell chronotherm, the biege and brown one with the fold down front cover. I know about delay on break timers, but if the fan is not on then i don't want to run for 5...
  18. Thread: time on break

    by Pneuma
    Replies
    5
    Views
    972

    time on break

    I have a system with two condensing units and one air handler.

    The air handler has an auxilliary contact the energizes a DPDT relay allowing the y1 and y2 to pass to each condensing unit. The...
  19. Replies
    26
    Views
    3,927

    groinocologist! Am I the first one to say that? ...

    groinocologist! Am I the first one to say that? Must be a slow day. Actually just find what you like, everyone is different. That is the beauty of this trade. I like learning new things and I...
  20. Replies
    42
    Views
    16,239

    When I taught basic electricity I took a shop...

    When I taught basic electricity I took a shop vac, turned it on and took an amp reading. Then I wrote it on the board, Then with the amp probe off, I put my hand over the end of the hose and had...
  21. Replies
    5
    Views
    744

    maybe a bad oxygen sensor. Maybe the senor just...

    maybe a bad oxygen sensor. Maybe the senor just came loose. How old is the sensor?
  22. Replies
    31
    Views
    1,900

    The best things about digital is being able to...

    The best things about digital is being able to use one set of manifolds for 22 and 410A. An analog gauge with both a 410A scale and an r-22 scale is hard to read on the 22 scale and is not granular...
  23. Replies
    8
    Views
    1,678

    I'd have to buy a new meter. I don't think I'd...

    I'd have to buy a new meter. I don't think I'd ever be able to trust it.
  24. Replies
    4
    Views
    839

    combustion analyzer for commercial

    I'm getting some work on larger boilers now, 1 million btu up to 4 million BTU, I even have a couple of condensing 2 million btu boilers under contract, Hydrotherm KN-20. So I have the TSI CA-calc...
  25. Replies
    17
    Views
    1,643

    Bacharac leakator jr. it's the only one I have...

    Bacharac leakator jr. it's the only one I have ever owned. It's worked well for me and I found leaks I could not even smell, but soap bubbles confirmed the leak.
  26. Thread: Work Boots

    by Pneuma
    Replies
    50
    Views
    6,725

    I'm wearing the wolverine durashock sr with steel...

    I'm wearing the wolverine durashock sr with steel toes. Comfortable and a decent boot. The best boot I ever had was the Diehard's Sears made about 15 years ago. The ones they sell now are not the...
  27. Replies
    17
    Views
    1,542

    I have the ca-calc 6130, it's been very good,...

    I have the ca-calc 6130, it's been very good, reliable, but when it's really cold out I get an error message until it warms up, so in the winter I bring it in the house. Maybe that's the same for...
  28. Replies
    15
    Views
    1,858

    That's exactly what I am worried about, how to...

    That's exactly what I am worried about, how to keep them from falling while I get them far enough apart to get a choker around the section I am removing.

    I'm thinking of something like two hooks...
  29. Replies
    15
    Views
    1,858

    You left off your list "a couple of strong green...

    You left off your list "a couple of strong green horns" lol! I'm not excited about this job myself. BTW not replacing, we're repairing it.

    First thing tomorrow, I have to replace some 4"...
  30. Replies
    15
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    1,858

    here she is!

    Beauty eh? 135101
  31. Replies
    15
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    1,858

    This property was a nightmare, the former chief...

    This property was a nightmare, the former chief really screwed things up bad. The have over 25 small water boilers and on at least five of them I found the high limit's wrapped in duct tape so the...
  32. Replies
    15
    Views
    1,858

    rigging tips for a 94 boiler?

    I'm looking to pull apart an 18 section weil-mclain 94 boiler. Any tips on a rig to hook into each section? I'm going to set an i-beam with a trolley centered on the boiler and I picture some sort...
  33. Replies
    7
    Views
    749

    My combustion analyzer, TSI CA-CALC, gives an...

    My combustion analyzer, TSI CA-CALC, gives an error code when its too cold. I bring it in in the winter and leave it by the door. lithium battery drills can be a pain too, never had an issue with...
  34. Thread: Accumulator?

    by Pneuma
    Replies
    6
    Views
    940

    I've seen one in a drawing Trane did for long run...

    I've seen one in a drawing Trane did for long run heat pumps. Specifically when the outdoor unit is above the indoor unit by more than 50 feet. They wanted an accumulator with a little cap tube...
  35. pressure in the building is affected by wind,...

    pressure in the building is affected by wind, it's affected by stack effect in the winter, when your building is in essence a hot air baloon that can't get off the ground. The elevators act as air...
  36. Replies
    7
    Views
    892

    cool channellocks

    Got these for a few of my best customers for holiday handouts, those who would appreciate a tool anyway. The logo is laser engraved on the steel part. I have not seen them in person yet since I just...
  37. Thread: LG VRV stories

    by Pneuma
    Replies
    6
    Views
    1,998

    Crazy4thenucks, How is it for heat? Do you have...

    Crazy4thenucks, How is it for heat? Do you have a lot of internal heat load. I'm thinking Canada and heat pumps can't be good unless your supplementing it with something.
  38. Thread: LG VRV stories

    by Pneuma
    Replies
    6
    Views
    1,998

    Thanks for your input. If it goes this way I'll...

    Thanks for your input. If it goes this way I'll be going to the training classes. One thing I can't get a handle on is if you have an evaporator leak, do you have to remove the charge from all the...
  39. Thread: Trane CVHE230

    by Pneuma
    Replies
    22
    Views
    1,955

    The cooler you run it the more efficient the...

    The cooler you run it the more efficient the machine. However too cold and you get problems with oil, I rememebr 68 degrees as a sweet spot, but it's been a long time since I worked on centrifugals....
  40. Thread: wet/dry vacs

    by Pneuma
    Replies
    9
    Views
    1,182

    I bought the rigid WD4070 at home depot. 4...

    I bought the rigid WD4070 at home depot. 4 gallons and it's a nice vac and has withstood a lot of abuse. The problem is the only filter I can get is the hepa for 14 bucks. I wish I could get a...
  41. Replies
    10
    Views
    1,008

    I've seen where the main problem from low air...

    I've seen where the main problem from low air flow was the ducts sweating, which led to mold in the soffetts and was expensive to fix, granted that good duct insulation would have prevented this,...
  42. Thread: LG VRV stories

    by Pneuma
    Replies
    6
    Views
    1,998

    LG VRV stories

    Has anyone installed serviced the LG VRV systems? What's the good or the bad
  43. Replies
    63
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    2,441

    insurance has been regulated by the states almost...

    insurance has been regulated by the states almost exclusively. So are you saying that Congress failed because they didn't pass federal regulations. Or are you just saying stuff that sounds good but...
  44. Replies
    58
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    2,454

    That's an unecessary cheap personal shot.

    That's an unecessary cheap personal shot.
  45. Replies
    5
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    483

    where did Bush get blamed? It was speculators,...

    where did Bush get blamed? It was speculators, then it was unrest over iran, then it was just the fact we are running out of oil, then it was China's car ownership is exploding. I think they proved...
  46. Replies
    58
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    2,454

    What has this country by the balls is wall...

    What has this country by the balls is wall street. It about ruined us and nobody went to jail, my personal barometer on when that begins to get resolved is when bank ceo's do a perp walk. Non have...
  47. Replies
    12
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    901

    My sincere condoloences to the family. I really...

    My sincere condoloences to the family. I really did not know him but I got a clear sense from how others interacted with him that he was a very good man. I'm sure he will be missed greatly.
  48. Replies
    58
    Views
    2,454

    Wow, I miss smoking that stuff... D's your making...

    Wow, I miss smoking that stuff... D's your making me bogart like I havn't in a long time! lol! just kidding. Really you need to relax a whole lot. a coup? Hey the reverend was a whack job, but...
  49. Replies
    58
    Views
    2,454

    I repsect your opinion but I don't agree with the...

    I repsect your opinion but I don't agree with the evil thing. He might be for single payer fully governmental system, but he can't do that without congress and even a democratic majority won't go...
  50. Replies
    58
    Views
    2,454

    you said, "But Pneuma.... the bill also does NOT,...

    you said, "But Pneuma.... the bill also does NOT, as far as I know, specifythe amount the insurance companies can charge for their insurance & now that they HAVE to cover additional people with...
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