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  1. Replies
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    You're supposed to use the correct tandem set and...

    You're supposed to use the correct tandem set and if only one compressor goes bad you're still supposed to change both.
  2. Thread: Attic job

    by jtrammel
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    2,221

    [QUOTE=garychance;20250071] There's a few but...

    There's a few but the majority of houses are on crawls. I guess that's just how the builders have always done it. If I built a house it'd have a basement for sure.
  3. Thread: Attic job

    by jtrammel
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    2,221

    [QUOTE=Carbent;20247291] What's a basement?......

    What's a basement?... Yes the few basements we have I insulate with r8. It's all I buy, because 95% of our stuff is crawl or attic and if I buy r6 for a basement it'll take forever to use it up. We...
  4. Thread: Attic job

    by jtrammel
    Replies
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    2,221

    There is a metal 90* elbow on that top return...

    There is a metal 90* elbow on that top return duct dovetailed, screwed and masticed with R8 flex jacket pulled over it.
  5. Thread: Attic job

    by jtrammel
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    2,221

    Attic job

    Where are you talking about that you would use a 90, there's no wad of helix it's like a 12" offset on the supply and pulled tight. I use atrpwd for round pipe takeoffs. Yes, I used the flex properly.
  6. Thread: Attic job

    by jtrammel
    Replies
    29
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    2,221

    Attic job

    You wouldn't make me do s***. There's nothing wrong with flex if used properly. I use 90s where they're needed. I could design an entire duct system out of flex and it would work better than 90% of...
  7. Thread: Attic job

    by jtrammel
    Replies
    29
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    2,221

    [QUOTE=Carbent;20246141] No all r8

    No all r8
  8. Thread: Attic job

    by jtrammel
    Replies
    29
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    2,221

    [QUOTE=perfectionist;20245801] There is a...

    There is a section of flex on the supply trunk about 6' long to jog around the truss.

    Carbent, sometimes I do, other times I dont. If it's supported every 3-4' and the strap is flat it doesn't...
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    Package unit install exterior ducts

    garbage
  10. Replies
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    Not even close, all the mantooth app does is...

    Not even close, all the mantooth app does is pressure and temperature. The iconnect does way more.
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    http://www.achrnews.com/articles/92424-know-your-p...

    http://www.achrnews.com/articles/92424-know-your-potential-starting-relays
  12. Replies
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    Some are using a veto mc for their iConnect set...

    Some are using a veto mc for their iConnect set up and basic hand tools. I'd much rather have the iConnect and wireless probes than the iManifold.
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    It'll go to countries that don't follow the...

    It'll go to countries that don't follow the Montreal Protocol to eventually be blown into the atmosphere. As far as I know, 2020 is just when they will stop supplying virgin in the US, reclaimed...
  14. Replies
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    657

    I haven't seen 40% reduction but there is some...

    I haven't seen 40% reduction but there is some capacity loss, it depends on which refrigerant you use as to how much. I like r421a, it's what I use for retros. R407c is better but it needs POE oil,...
  15. Replies
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    657

    They are making less and less each year until...

    They are making less and less each year until 2020. Last year evidently the lobbyists got their way and refrigerant manufactures were allowed to produce much more than they anticipated, hence the...
  16. Replies
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    657

    We can still purchase virgin r22 until they run...

    We can still purchase virgin r22 until they run out of the last batch they make in 2020.
  17. Replies
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    $75 for a plenum! I pay $12 a sheet for 3'x8'...

    $75 for a plenum! I pay $12 a sheet for 3'x8' 26gauge metal and could 2 plenums out of a sheet with some leftover and maybe 10 minutes of time.
  18. Thread: Imanifold?

    by jtrammel
    Replies
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    236

    http://hvac-talk.com/vbb/showthread.php?1500871-Be...

    http://hvac-talk.com/vbb/showthread.php?1500871-Beta-Test-Imperial-iManifold&highlight=Brent+Ridley

    http://hvac-talk.com/vbb/showthread.php?1470781-Imperial-iManifold-Digital-Refrigeration-Gauge
    ...
  19. I don't see a problem, they probably sit in a...

    I don't see a problem, they probably sit in a Walmart distribution center for years before they're thrown on the shelf. They're only a couple hundo anyway.
  20. Replies
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    Heat is already on the lowest speed so you can't...

    Heat is already on the lowest speed so you can't lower the heat speed anymore. I would guess, with high certainty, that the ductwork is the problem not the fan speed.
  21. Replies
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    FLA and coil voltage

    FLA and coil voltage
  22. You could run 1 larger duct or 2 smaller ducts....

    You could run 1 larger duct or 2 smaller ducts. It's hard to say without seeing the job what would be best.
  23. I'm thinking about getting one for my...

    I'm thinking about getting one for my mancave/shed in my backyard. The price can't be beat, and the reviews on Amazon seem pretty good. Does it seem ok? I Don't expect it to be the best but is it a...
  24. Solve moisture problem from outside, Clean...

    Solve moisture problem from outside, Clean crawlspace (including floor insulation), add fresh air duct to return from outside to pressurize the thermal envelope (or add ventilating whole house...
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    I was trying to figure how they would get the...

    I was trying to figure how they would get the water for the hx, surely they didn't use the cw loop. Maybe they disconnected the cw and used it as pump and dump with city water. Hard to say how it's...
  26. Replies
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    Maybe they like it really warm in their condo and...

    Maybe they like it really warm in their condo and a heat pump is way cheaper to operate than electric heat. For simplicities sake, electric heat is a good choice for south Florida if you only need...
  27. Replies
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    hvacmedic in the search function on this site,...

    hvacmedic in the search function on this site, also search penderway. Those 2 talk about ADP and such fairly often. Most of their posts are on the pro side of the site. Have you applied for...
  28. Sounds like the blower is not running, hard to...

    Sounds like the blower is not running, hard to say from here though.
  29. Replies
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    318

    Restriction inside the unit, probably the door...

    Restriction inside the unit, probably the door insulation sucked against the blower. Could be a piece of insulation on the indoor cool. There's definately an internal restriction with that low of...
  30. I used one of the canned sealants (I don't recall...

    I used one of the canned sealants (I don't recall the brand) about 4 or 5 years ago 4 times. 2 locked down compressors soon thereafter, 1 is still working with no additional refrigerent and 1 we...
  31. Replies
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    Most of the "peanut gallery nitpickers" have...

    Most of the "peanut gallery nitpickers" have never posted any of their work in WOP. Sometimes nitpicking helps me to see things I can improve on that I otherwise wouldn't think of.
  32. Replies
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    Depends on the temperature of the duct and the...

    Depends on the temperature of the duct and the dew point of the space they are in. It's difficult to say from here.
  33. More than likely 5 year parts (includes evap...

    More than likely 5 year parts (includes evap coil) and 10 year compressor only.
  34. I couldn't find a link, you'd have to talk to a...

    I couldn't find a link, you'd have to talk to a Samsung dealer in your area. The conventional air handler is new but it exists and any Samsung distributer should have it or be able to get it.
  35. High-SEER heat pump outdoor units to fit narrow side yards?

    Samsung has one in their DVM Eco line. One of my reps brought a training trailer by the shop the other day outfitted with a 1 ton conventional air handler and a 2 ton medium static air handler on a 3...
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    That's not good!

    It's not correct but those heaters are cat iii and can be horizontally vented. Aluminum tape or temp silicone to seal the joints (it's in the install manual) . It's not supposed to be downhill...
  37. 2 years is a pretty small leak, I would just gas...

    2 years is a pretty small leak, I would just gas it up until it gets to be more than a Lb or 2 every couple of years.
  38. Replies
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    sheetmetal skills valuable in this trade?

    It's definitely a good skill to have. I regularly make transitions, return drops and plenums on changeouts in the sheet metal shop and sometimes field fab transitions.
  39. Multi screwdriver or Multipable screwdrivers?

    I have multiples of all types of screwdrivers and nutdrivers, long ones, stubby ones, regular ones, tiny ones, torx ones, Robertson ones, beating ones, Phillips, 6-in-1 ones, 11-in-1 ones and so on
  40. Replies
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    ^ what he said

    ^ what he said
  41. Replies
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    It's semi-conditioned space (sprayfoamed roof...

    It's semi-conditioned space (sprayfoamed roof deck), who cares if a little air leaks out. Traps on the supply side are just a place for a clog to form.



    The drain is on the positive side of...
  42. I find it to be just the opposite here, people...

    I find it to be just the opposite here, people will do without heat but will scrounge up change to get the ac cranking.
  43. Replies
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    I agree, they like to keep the info close to the...

    I agree, they like to keep the info close to the hip for whatever reason. I have the credentials but I can't remember my password because it changes so often.
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    I would stick with the green. I'm not real sure...

    I would stick with the green. I'm not real sure what Home Depot is doing with the FPR, I've never heard of it until just now nor did I know rheem put their name on air filters. Unless your system was...
  45. Replies
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    It's probably the same coil in both units anyway....

    It's probably the same coil in both units anyway. I can't access upgnet right now for some reason or I would check.
  46. Replies
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    If it's a commercial style mini split with...

    If it's a commercial style mini split with multiple heads (vrf) then you do braze, you 100% must flow nitrogen while brazing all joints. If it's a standard resodential minisplit then it's just flare...
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    Your pump will only pull what your hoses will...

    Your pump will only pull what your hoses will allow. Unless you have 4 or 5, 3/4" evac hoses connected to access points with the schraders removed or wide open king valves directly to the pump you...
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    Not in the same league, the imperial has way more...

    Not in the same league, the imperial has way more going on than a simple wireless pressure gauge.
  49. Replies
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    The plant should have a recovery machine and a...

    The plant should have a recovery machine and a vacuum pump.
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    I use leather gloves like these...

    I use leather gloves like these http://m.acehardware.com//product/index.jsp?productId=3685732&KPID=6324295&kpid=6324295&pla=pla_6324295
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