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  1. The threads below have not been updated since your last visit or since forums have been marked read.
  2. To vax or no to vax?

    Started by valdelocc, 06-02-2021 07:27 AM
    43 Pages
    1 2 3 4 5 6 ... 43
    • Replies: 857
    • Views: 18,057
    Last Post: Today 01:38 PM
    by BBeerme  Go to last post
  3. Uncoupling Twinned Air Handlers

    Started by fixitfast, Today 09:56 AM
    2 Pages
    1 2
    • Replies: 20
    • Views: 187
    Last Post: Today 01:37 PM
    by fixitfast  Go to last post
  4. One ton equal One HP?

    Started by josan6, 02-05-2005 05:08 PM
    2 Pages
    1 2
    • Replies: 30
    • Views: 40,486
    Last Post: Today 01:36 PM
    by TechmanTerry  Go to last post
    • Replies: 5
    • Views: 93
    Last Post: Today 01:29 PM
    by Bazooka Joe  Go to last post
    • Replies: 0
    • Views: 0
    Last Post: Today 01:28 PM
    by bengined  Go to last post
  5. Mitsubishi refrigerent leak

    Started by Darmer, 07-25-2021 03:22 PM
    • Replies: 2
    • Views: 214
    Last Post: Today 01:23 PM
    by Darmer  Go to last post
  6. Flowing nitrogen while brazing

    Started by NathanWagner, 05-24-2021 07:45 AM
    2 Pages
    1 2
    • Replies: 37
    • Views: 1,973
    Last Post: Today 01:06 PM
    by pecmsg  Go to last post
  7. Niagara 4 Temp Reset Logic

    Started by JaredMoorer, 11-14-2019 02:58 PM
    • Replies: 16
    • Views: 1,900
    Last Post: Today 12:54 PM
    by gngrinder  Go to last post

    Forum:
    Controls

    • Replies: 0
    • Views: 1
    Last Post: Today 12:53 PM
    by GH BlueRecruit  Go to last post
  8. LonWorks questions… I think.

    Started by WT70, Yesterday 08:45 PM
    • Replies: 5
    • Views: 245
    Last Post: Today 11:57 AM
    by WT70  Go to last post

    Forum:
    Controls

    • Replies: 0
    • Views: 73
    Last Post: Today 11:57 AM
    by BallsOfTitanium  Go to last post
  9. Comtrol MCS 4000 Help

    Started by HRV, Yesterday 06:05 PM
    • Replies: 5
    • Views: 83
    Last Post: Today 11:01 AM
    by VTP99  Go to last post
  10. Prayers needed for a good friend please, ARPA (updated 3/30)

    Started by Dad, 03-23-2010 03:07 PM
    10 Pages
    1 2 3 4 5 6 ... 10
    • Replies: 194
    • Views: 149,331
    Last Post: Today 10:44 AM
    by Dad  Go to last post

    Forum:
    In Memoriam

    • Replies: 10
    • Views: 257
    Last Post: Today 10:34 AM
    by Poodle Head Mikey  Go to last post
    • Replies: 4
    • Views: 160
    Last Post: Today 10:04 AM
    by dave1234  Go to last post
  11. New furnace/ac water drip from supply lines

    Started by Jantk14, Yesterday 10:01 PM
    • Replies: 5
    • Views: 168
    Last Post: Today 09:15 AM
    by pecmsg  Go to last post
  12. Refrigerant leaking

    Started by bornjanuary25, Yesterday 05:32 PM
    • Replies: 7
    • Views: 236
    Last Post: Today 08:59 AM
    by 71CHOPS  Go to last post
  13. Can anyone ID this condenser.

    Started by szw21, 07-23-2021 08:58 PM
    2 Pages
    1 2
    • Replies: 25
    • Views: 698
    Last Post: Today 08:52 AM
    by theoldscroll  Go to last post
    • Replies: 9
    • Views: 213
    Last Post: Today 08:48 AM
    by jacob-k  Go to last post
  14. Mini split wiring issue

    Started by alex_fl05, Yesterday 07:14 PM
    • Replies: 14
    • Views: 230
    Last Post: Today 08:47 AM
    by VTP99  Go to last post
    • Replies: 4
    • Views: 234
    Last Post: Today 08:23 AM
    by pecmsg  Go to last post
    • Replies: 5
    • Views: 143
    Last Post: Today 07:22 AM
    by pecmsg  Go to last post
  15. Trane RTAC 400 Low Oil Flow Fault

    Started by btdemma, 05-12-2016 01:48 PM
    • Replies: 16
    • Views: 9,879
    Last Post: Today 05:44 AM
    by otto  Go to last post
  16. Mini split not cooling

    Started by Ac_man, 07-16-2021 11:29 PM
    • Replies: 16
    • Views: 519
    Last Post: Today 04:31 AM
    by thehvaclady  Go to last post
  17. Two-Stage vs Variable Speed for Florida

    Started by jayporsche, 07-26-2021 05:35 PM
    2 Pages
    1 2
    • Replies: 33
    • Views: 478
    Last Post: Today 12:44 AM
    by teddy bear  Go to last post
  18. heatpump "smelling"

    Started by slickgoat05, Yesterday 06:53 PM
    • Replies: 3
    • Views: 152
    Last Post: Today 12:30 AM
    by teddy bear  Go to last post
  19. Delta Orca View 3.4

    Started by simux, Yesterday 07:04 PM
    • Replies: 1
    • Views: 165
    Last Post: Today 12:04 AM
    by mummy2012  Go to last post

    Forum:
    Controls

  20. ISO N4 JCI Modules

    Started by brspoon, 07-19-2021 11:50 AM
    • Replies: 2
    • Views: 258
    Last Post: Yesterday 11:18 PM
    by Balibe  Go to last post

    Forum:
    Controls

  21. Chinese minisplits

    Started by 406Tinner, Yesterday 04:57 PM
    • Replies: 11
    • Views: 221
    Last Post: Yesterday 11:13 PM
    by BALloyd  Go to last post
  22. Any real difference in oxy act regulators?

    Started by channellxbob, 07-26-2021 03:57 PM
    • Replies: 8
    • Views: 371
    Last Post: Yesterday 10:42 PM
    by R600a  Go to last post
  23. Fieldpiece DR58

    Started by Nytefog, 07-21-2021 03:06 PM
    • Replies: 1
    • Views: 253
    Last Post: Yesterday 10:34 PM
    by kra2y  Go to last post
  24. AMERISTAR CAPACITORS

    Started by AIRCON8, 07-24-2021 02:40 PM
    • Replies: 17
    • Views: 493
    Last Post: Yesterday 10:32 PM
    by ksefan  Go to last post
    • Replies: 3
    • Views: 151
    Last Post: Yesterday 10:10 PM
    by danf58  Go to last post
  25. Trane running limited

    Started by MAH, Yesterday 10:00 AM
    • Replies: 1
    • Views: 110
    Last Post: Yesterday 09:58 PM
    by jsin  Go to last post
  26. Carrier 30XVA250 low oil switch trip

    Started by jsin, Yesterday 09:52 PM
    • Replies: 0
    • Views: 52
    Last Post: Yesterday 09:52 PM
    by jsin  Go to last post
  27. new Trane xv18 not controlling humidity

    Started by lakesinclair, 07-16-2021 12:17 PM
    • Replies: 13
    • Views: 449
    Last Post: Yesterday 09:44 PM
    by teddy bear  Go to last post
    • Replies: 25
    • Views: 443
    Last Post: Yesterday 09:22 PM
    by teddy bear  Go to last post
    • Replies: 7
    • Views: 233
    Last Post: Yesterday 09:08 PM
    by cuongvcs  Go to last post
    • Replies: 6
    • Views: 138
    Last Post: Yesterday 08:57 PM
    by poppa  Go to last post
  28. Upgrade from TXV ro EEV Valve for York Chiler

    Started by cuongvcs, 07-26-2021 10:15 PM
    • Replies: 6
    • Views: 193
    Last Post: Yesterday 08:51 PM
    by cuongvcs  Go to last post
  29. Alerton Compass

    Started by khumphreys, 06-26-2021 04:36 PM
    2 Pages
    1 2
    • Replies: 25
    • Views: 613
    Last Post: Yesterday 08:48 PM
    by JohnLoves2ski  Go to last post

    Forum:
    Controls

  30. Compressor replacement gone wrong

    Started by monkeybutt, Yesterday 04:39 PM
    • Replies: 4
    • Views: 218
    Last Post: Yesterday 08:18 PM
    by VTP99  Go to last post
    • Replies: 3
    • Views: 152
    Last Post: Yesterday 08:00 PM
    by orion242  Go to last post

    Forum:
    Controls

    • Replies: 3
    • Views: 194
    Last Post: Yesterday 06:35 PM
    by theoldscroll  Go to last post
  31. recommendations after manual J

    Started by awpobx317, 07-26-2021 11:00 PM
    • Replies: 3
    • Views: 224
    Last Post: Yesterday 06:12 PM
    by Restaurant mech  Go to last post
    • Replies: 4
    • Views: 163
    Last Post: Yesterday 06:10 PM
    by dimself  Go to last post
  32. N4 Wiresheet

    Started by tridiumtech, 07-25-2021 12:23 PM
    • Replies: 2
    • Views: 310
    Last Post: Yesterday 05:44 PM
    by pringlel  Go to last post

    Forum:
    Controls

  33. Inside Heat Pump Coil Water Leak

    Started by Thankyou, Yesterday 04:49 PM
    • Replies: 3
    • Views: 110
    Last Post: Yesterday 05:22 PM
    by Thankyou  Go to last post
  34. R22 to 407c or Mo99 for RTAA 125

    Started by Bermydiver, 07-26-2021 12:15 PM
    • Replies: 3
    • Views: 176
    Last Post: Yesterday 05:11 PM
    by valdelocc  Go to last post
  35. N Coil Disaster

    Started by monkeybutt, Yesterday 05:04 PM
    • Replies: 0
    • Views: 167
    Last Post: Yesterday 05:04 PM
    by monkeybutt  Go to last post
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