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  1. Replies
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    Thanks hvactechnd and thanks hearthman for that...

    Thanks hvactechnd and thanks hearthman for that detailed follow up. Always learning stuff on this site.
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    Thanks for quoting the section. A lot of times...

    Thanks for quoting the section. A lot of times with residential one can open a slider or window to get to a receptacle. Commercial such as on a roof generally has an outlet on at least one of the...
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    What may be going on is a misunderstanding of...

    What may be going on is a misunderstanding of what they want. It may be required in your application to have B-Vent as the connector material in lew of single wall. This is a very good handbook...
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    http://www.ameri-vent.com/files/assets/files/13669...

    http://www.ameri-vent.com/files/assets/files/1366997178_Catalog--TypeBVent.pdf

    Maybe page 27 will do it for you. The vent manufacturer illustrates this method on a Combo vent system.
    ...
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    Ahh, dully noted, thanks for the feedback. Always...

    Ahh, dully noted, thanks for the feedback. Always looking to improve things.

    The equipment hold downs (straps) are a National requirement in the IMC. Just not enforced everywhere. It has more to...
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    ?

    ?
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    About the 120V convenience outlet, they let it go...

    About the 120V convenience outlet, they let it go if it's a change out and or if we are adding a/c (maybe a little known code) but in this case it's nice to see the builder paying attention to codes...
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    Clearances are same rating, one-inch. Amerivent...

    Clearances are same rating, one-inch. Amerivent part number 4FC-24 (2') & 4FC-3 (3'). Appliance connector 4FC-AC
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    What is interesting about this job is the 036 (3...

    What is interesting about this job is the 036 (3 ton) unit is actually taller than the 048 (4 ton).

    Notice the 120 volt electrical outlet (this is a code requirement to be within 20' of the...
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    New Lennox equipment for a textbook change-out

    Highlights: Corrected a Combo B-Vent. Water heater vent connector size is now 4" (was 3" and this is not even shown in venting tables or code books).
    XC14-036 & XC14-048 Lennox air conditioners...
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    I can work with metal without gloves it's just...

    I can work with metal without gloves it's just when they put razor blades on the edge cut I have an issue as I wasn't expecting it. Now I handle with extreme caution. Also watch out on the furnace...
  12. No kidding.

    No kidding.
  13. System has to be air tight, no air leaks. The...

    System has to be air tight, no air leaks. The J-Trap seals air from coming out condensate drain line and trap is serviceable with access plug. We also use rope caulk to seal around condensate drain...
  14. That's a load shedding box from SCE. Power...

    That's a load shedding box from SCE. Power company can shut down unit as needed.
  15. Yes, colder climates require b-vent all the way...

    Yes, colder climates require b-vent all the way back to the appliance but I imagine you try to install 90%+ in those areas as much as possible.

    For us, the vent flex connector is much better to...
  16. New Lennox system, I did the indoor, my Apprentice did the outdoor

    Equipment:
    XC16-060 Lennox two-stage air conditioner
    C33-49C Lennox cooling coil with R410A TXV valve
    SL280UH090XV60C Lennox two-stage variable forced air furnace (80% AFUE)
    Honeywell two-stage...
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    My Brother would always be sure to layer some...

    My Brother would always be sure to layer some cloth duct tape down the 1-1/2" duct strapping if it was in an area that someone might grab onto it.
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    Careful handling Lennox sheet metal

    I know I know, where gloves. He was but he left them in the attic.

    My installer came out of the attic to check on our apprentice outside. He was doing a great job setting and hooking up the a/c...
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    Very nice work. I also don't see the air gap in...

    Very nice work. I also don't see the air gap in combo condensate line?

    We have 3rd party testing for duct leakage so I like to seal air flowing from the coil condensate drain with a J-Trap and...
  20. Lets review this again: Two techs do a coupon...

    Lets review this again:
    Two techs do a coupon $77 precision tune-up on a working air conditioning unit.
    They wash down the condenser coil.
    Check the electrical and run capacitor inside the unit....
  21. I like the last line. "However this case is...

    I like the last line. "However this case is decided, it's a wake-up call for all contractors: Ignorance and inattention in the field may be a crime."
  22. Glad to see others are as anal as I am about...

    Glad to see others are as anal as I am about this. If your not, just Google image search “ladder on freeway”. Wouldn’t want to be the cause of any of that.
    ...
  23. I'm, pretty sure DOT (Department of...

    I'm, pretty sure DOT (Department of Transportation) is the Feds.
  24. DOT approved method of securing extention ladder on work truck

    http://imagizer.imageshack.us/v2/xq90/829/aszx.jpg

    Not acceptable, in fact I know it's not.

    Not approved:
    Bungee Cords
    T-Stat Wire
    Duct Tape or any kind of tape

    Approved:
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    And he said your bucket of live wires is good to...

    And he said your bucket of live wires is good to go. If that is before the meter and the utility co sees that they will pull the service and wires to the building until a certified electrician...
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