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Forum: Tech to Tech Chat - Commercial

FOR TECHNICAL CHAT BETWEEN INDUSTRY WORKERS ONLY. NO AOP OR DIY** This forum is for Technical Chat in the Commercial Industry and only within the limits of the Open area Rules concerning DIY. Any technical chat that goes too far will be removed or moved to the Pro Area.

  1. Sticky Thread Sticky Threads

  2. Sticky Thread NO AOP posts here please. ONLY Tech to Tech chatter

    Started by Dad, 08-10-2011 04:34 PM
    • Replies: 0
    • Views: 8,677
    08-10-2011, 04:34 PM Go to last post
  1. Normal Thread Normal Threads

  2. Mod/Con Questions...

    Started by DDCSD, 01-26-2016 12:50 AM
    • Replies: 11
    • Views: 699
    02-04-2016, 01:26 AM Go to last post
  3. Sheetmetal Duct Equipment

    Started by mobeless, 02-03-2016 03:47 PM
    • Replies: 0
    • Views: 236
    02-03-2016, 03:47 PM Go to last post
  4. Trying to help friend on her walk in cooler

    Started by xero328, 02-01-2016 04:39 AM
    2 Pages
    1 2
    • Replies: 16
    • Views: 889
    02-02-2016, 03:25 PM Go to last post
  5. Speed control

    Started by targetman, 02-01-2016 07:03 PM
    • Replies: 2
    • Views: 332
    02-02-2016, 07:27 AM Go to last post
  6. Tripping Hi-limit, gas heat

    Started by marter, 01-20-2016 08:29 PM
    2 Pages
    1 2
    • Replies: 19
    • Views: 1,260
    02-02-2016, 01:33 AM Go to last post
  7. Prepping a Boxcar

    Started by BBeerme, 01-29-2016 10:20 PM
    • Replies: 6
    • Views: 520
    01-31-2016, 11:51 PM Go to last post
  8. Evaporator Upgrade

    Started by kenny bezold, 01-30-2016 07:41 PM
    • Replies: 11
    • Views: 491
    01-31-2016, 05:38 PM Go to last post
  9. Mars 32534 phase reversal protector

    Started by nmt6789, 01-31-2016 09:24 AM
    • Replies: 3
    • Views: 268
    01-31-2016, 12:05 PM Go to last post
  10. Why OEM's oversize txv?

    Started by jman2794, 01-31-2016 12:09 AM
    • Replies: 5
    • Views: 465
    01-31-2016, 10:38 AM Go to last post
  11. York Predator condenser fan blades

    Started by CHAINIK, 01-30-2016 12:09 PM
    • Replies: 5
    • Views: 384
    01-30-2016, 10:51 PM Go to last post
  12. Blower schematic

    Started by wall8427, 01-29-2016 11:45 PM
    • Replies: 10
    • Views: 468
    01-30-2016, 06:38 PM Go to last post
  13. LENNOX LGA UNIT ECONOMIZER ISSUE

    Started by Nic88, 01-15-2016 08:04 PM
    • Replies: 8
    • Views: 735
    01-30-2016, 02:27 PM Go to last post
  14. Daikin compressor failure

    Started by targetman, 01-27-2016 07:39 AM
    • Replies: 9
    • Views: 716
    01-30-2016, 08:09 AM Go to last post
  15. Trane chiller disabling compressor

    Started by John Pleckaitis, 01-29-2016 09:23 AM
    • Replies: 3
    • Views: 390
    01-30-2016, 12:07 AM Go to last post
  16. Carrier 06n check valve replacement

    Started by patpinet, 01-27-2016 08:55 PM
    • Replies: 1
    • Views: 304
    01-27-2016, 09:08 PM Go to last post
  17. Lennox LGA with CO2 Sensor issue

    Started by voivod, 01-23-2016 03:44 PM
    • Replies: 4
    • Views: 399
    01-27-2016, 03:29 PM Go to last post
  18. Frown Dri-steem GTS04-200 combustion blower problem

    Started by chuckp294, 01-22-2016 03:19 PM
    • Replies: 7
    • Views: 528
    01-27-2016, 02:15 PM Go to last post
  19. KC1000 replacement options?

    Started by Carl S, 01-26-2016 03:22 PM
    • Replies: 3
    • Views: 265
    01-26-2016, 11:52 PM Go to last post
  20. Confused McQuay WSHP

    Started by mathias, 12-09-2015 03:14 PM
    • Replies: 7
    • Views: 744
    01-26-2016, 06:53 PM Go to last post
  21. York Service Manual 160.80-M1

    Started by koolaid747, 01-08-2013 09:35 AM
    2 Pages
    1 2
    • Replies: 13
    • Views: 4,860
    01-26-2016, 02:09 PM Go to last post
  22. Carrier RTU 48PGN Heat Exchanger Delta-T?

    Started by alliedtech12887, 01-20-2016 12:33 PM
    • Replies: 9
    • Views: 643
    01-26-2016, 08:01 AM Go to last post
  23. service port on traulsen

    Started by dcmtwo, 01-25-2016 05:39 PM
    • Replies: 1
    • Views: 262
    01-25-2016, 05:55 PM Go to last post
  24. Goodway Boiler Descaling

    Started by Boiler Guy, 01-23-2016 06:39 PM
    • Replies: 3
    • Views: 394
    01-23-2016, 10:49 PM Go to last post
  25. Maxitrol A1014 High Voltage At Valve Terminals

    Started by shipwreck, 01-23-2016 01:24 PM
    • Replies: 2
    • Views: 329
    01-23-2016, 08:58 PM Go to last post
  26. Direct Solar air-conditioning

    Started by maxtronics, 01-19-2016 04:30 PM
    • Replies: 5
    • Views: 466
    01-22-2016, 08:56 PM Go to last post
  27. Union jobs in oklahoma

    Started by bigjoe2330, 01-21-2016 10:20 AM
    • Replies: 2
    • Views: 504
    01-22-2016, 04:24 PM Go to last post
  28. Requirements to change condenser fans for refrigerant retrofit

    Started by maxtronics, 01-19-2016 04:11 PM
    3 Pages
    1 2 3
    • Replies: 27
    • Views: 1,358
    01-22-2016, 08:04 AM Go to last post
  29. Ingersoll-Rand air drier alarm "SE"

    Started by mccann, 01-20-2016 08:01 AM
    • Replies: 1
    • Views: 291
    01-21-2016, 06:54 AM Go to last post
  30. DHWS low temp

    Started by DDCSD, 01-18-2016 11:53 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 816
    01-21-2016, 12:43 AM Go to last post
  31. honeywell 7800 code 35

    Started by hvac17011, 01-19-2016 08:23 PM
    • Replies: 1
    • Views: 359
    01-20-2016, 11:16 AM Go to last post
  32. 407c ??

    Started by boilerguy joed, 01-19-2016 05:30 PM
    • Replies: 5
    • Views: 555
    01-20-2016, 12:39 AM Go to last post
  33. Tecumseh AH5531E compressor on Friedrich Heat Pump

    Started by Nic88, 01-18-2016 08:32 PM
    • Replies: 1
    • Views: 378
    01-18-2016, 09:01 PM Go to last post
  34. what is it

    Started by boilerguy joed, 01-17-2016 09:07 PM
    • Replies: 8
    • Views: 693
    01-18-2016, 06:03 PM Go to last post
  35. see anything wrong? boiler 2 overheats!

    Started by boilerguy joed, 01-15-2016 10:53 PM
    4 Pages
    1 2 3 4
    • Replies: 48
    • Views: 1,988
    01-18-2016, 05:29 PM Go to last post
  36. Fresh air intake for spin class gym.

    Started by jakexl, 01-17-2016 03:57 PM
    • Replies: 11
    • Views: 561
    01-18-2016, 12:20 AM Go to last post
    • Replies: 6
    • Views: 517
    01-17-2016, 09:12 PM Go to last post
  37. Water Leak

    Started by BBeerme, 01-16-2016 01:48 PM
    • Replies: 11
    • Views: 659
    01-17-2016, 07:48 PM Go to last post
  38. Tr200 danfoss drive on voyager 3

    Started by Aircooled81, 01-11-2016 02:46 PM
    • Replies: 8
    • Views: 657
    01-17-2016, 12:40 PM Go to last post
  39. What a dissaster!!! ;))))

    Started by Everlong, 01-15-2016 07:15 PM
    • Replies: 8
    • Views: 823
    01-16-2016, 10:02 PM Go to last post
  40. Lennox RTU Fouled Heat Exchanger?

    Started by alliedtech12887, 12-29-2015 01:33 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 1,135
    01-16-2016, 09:29 PM Go to last post
  41. DO YOU KNOW WHAT IT IS ?

    Started by boilerguy joed, 01-16-2016 05:52 PM
    • Replies: 3
    • Views: 526
    01-16-2016, 07:18 PM Go to last post
  42. Putting recovered gas back in.

    Started by mccann, 01-13-2016 09:09 AM
    • Replies: 8
    • Views: 736
    01-15-2016, 10:34 PM Go to last post
  43. 7/11 stores RTUs

    Started by smchvac, 01-09-2016 06:17 PM
    • Replies: 12
    • Views: 765
    01-15-2016, 07:42 PM Go to last post
  44. ICE duct heater

    Started by JSRefrigeration, 01-15-2016 11:31 AM
    • Replies: 1
    • Views: 291
    01-15-2016, 01:15 PM Go to last post
  45. Hi pressure on carrier 4 ton , Installed 2011

    Started by hanikhawaja1972, 01-02-2016 03:23 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 1,352
    01-15-2016, 01:07 AM Go to last post
  46. Which method for preheating OA for make-up air unit?

    Started by Matt78, 01-12-2016 07:14 AM
    2 Pages
    1 2
    • Replies: 13
    • Views: 764
    01-14-2016, 09:24 PM Go to last post
  47. Carrier 50RHR WSHP board continuous flashing

    Started by lirunaway, 01-12-2016 12:58 AM
    • Replies: 3
    • Views: 497
    01-14-2016, 11:56 AM Go to last post
  48. Natural Gas 2psi or 5 psi????

    Started by AirPro98, 01-13-2016 09:50 AM
    • Replies: 9
    • Views: 534
    01-13-2016, 01:20 PM Go to last post
  49. Aerco Benchmark 2.0 boiler

    Started by Hamp4208, 01-02-2014 07:50 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 4,395
    01-13-2016, 08:18 AM Go to last post
  50. Trane HSI

    Started by mirfgtech, 01-09-2016 11:29 AM
    • Replies: 3
    • Views: 483
    01-12-2016, 09:40 AM Go to last post

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