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  1. Replies
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    reminds me of popcorn ceiling material. black...

    reminds me of popcorn ceiling material. black stuff looks like dirt
  2. Replies
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    1,480

    how long is the 9mm thread?

    how long is the 9mm thread?
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    480

    on these mototrs, pulse width modulation on one...

    on these mototrs, pulse width modulation on one of the other pins, 8 or 10, tells the motor what speed to run. trane has some tstats that do this. also, it guys use this to control fan motor speed on...
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    505

    searches lake for hidden fish in cages. puts...

    searches lake for hidden fish in cages. puts 4"perch in place of them.
  5. pretty sure has a plaster frame nailed to joist...

    pretty sure has a plaster frame nailed to joist and now sandwiched behind drywall. that part isnt coming out. boot is attached to frame by the folds at edges. might be able to get loose there, but...
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    454

    I'll bet a non-existent ground was a contributor...

    I'll bet a non-existent ground was a contributor to deaths.

    refrigerators (newer ones) and gas ranges like to trip gfcis as well. have to use breaker on the stove since they have a higher...
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    1,480

    hold the marker to end tape measure. pinch the...

    hold the marker to end tape measure. pinch the tape between fingers of other hand at distance you want line from edge, slide along edge duct to make parallel line to duct edge. can use square to go...
  8. you can have one of the tstats do the heat for...

    you can have one of the tstats do the heat for than zone, and operate the ac, so still would have just three tstats.
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    1,051

    didn't know john deere made cages

    didn't know john deere made cages
  10. I figured people would be more concerned about...

    I figured people would be more concerned about air leakage and insulation value of window vs the ac unit. not like they're designed to perform like a modern high efficiency window.
  11. I'd rather not see any insulation in a crawl....

    I'd rather not see any insulation in a crawl. mine is set up like teddy said. no insul in floor or on ducts, and the ducts don't sweat.
  12. 90+% with ac on isnt unusual. 70% may be too low,...

    90+% with ac on isnt unusual. 70% may be too low, in other words, coils not cold enough to really pull moisture out air,

    too much airflow over coil, refrigerant charge low, or air leaks could...
  13. yep, I pull them off on all units. airflow and...

    yep, I pull them off on all units. airflow and access to the coil to clean.
  14. Replies
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    330

    if there is sufficient slope from drainline at...

    if there is sufficient slope from drainline at floor and gound outside could do that, about 1/4"/ft is needed to drain by gravity. some pumps can be wired into havc to shut down if the pump stops...
  15. I've had this happen one time. tried individual...

    I've had this happen one time. tried individual capacitors instead of dual and ran forwards. compress was going, so may have affected how the motors started.
  16. Thread: Pump down

    by billygoat22
    Replies
    32
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    880

    pull it into the comp, sell it to slum lord,...

    pull it into the comp, sell it to slum lord, value added!

    I pull down into condensor if it runs to save time on installs. can pump down later at shop when convenient. or set aside until can find...
  17. Replies
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    5,921

    I did this trick to my sisters. they had bunk bed...

    I did this trick to my sisters. they had bunk bed and I taped a toy motor w pc tape on shaft to underside bed and ran wire to top bunk. older sister bumped the motor w battery and made a buzz sound...
  18. second comic...

    second comic
    https://i0.wp.com/www.jakerohdy.com/wp-content/uploads/2011/12/CCI10112011_00001.jpg
  19. Replies
    6
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    454

    walls were insulated, was expecting fllor to be...

    walls were insulated, was expecting fllor to be as well, but don't know for sure
  20. found a limitation of microchannel condensor coil

    had to replace a compressor today in ac unit. when lifted compressor in, brushed against the interior of coil. during pressure test, found three leaks.

    apparently doesn't take much to breach...
  21. you're running heat this early in year? is gas...

    you're running heat this early in year?
    is gas pressure ok, flue ok? like others said, another set eyes.
  22. Replies
    12
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    952

    pretty cool. I was impressed by monel, a...

    pretty cool.

    I was impressed by monel, a nickel copper alloy. worked on a brine pump impeller for a flash evaporator. the set screws in the wearing ring came loose like were recently installed,...
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    952

    I've seen some power poles I think are same alloy...

    I've seen some power poles I think are same alloy as well
  24. thought the same thing about dumbing down. also...

    thought the same thing about dumbing down. also lower requirements to get license. now how will that affect reciprocity with other states? NC was higher requirement to begin with, not sure on other...
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    454

    52 at unit before went in floor, closest register...

    52 at unit before went in floor, closest register 3 degrees warmer, last was 62 degrees out floor register. 50-60' away.
  26. Replies
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    454

    basement floor 8-10' below grade. does have...

    basement floor 8-10' below grade. does have radiant floor heat but the loop pumps are off, and 2 of the 3 loop supply valves closed, tall 3 lines room temp. thought might be radiant running or...
  27. Replies
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    952

    had an engineer decades ago describe a steel that...

    had an engineer decades ago describe a steel that would rust but not flake away until nothing left. he called it homosexual steel, the iron atoms liked each other more than the pretty oxygen atoms so...
  28. Replies
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    454

    duct air gets warmer by 10 degrees

    went on a call today. duct under concrete floor in basement. 52 degrees coming out air handler, but 62 at last register out floor, even after hour plus run time. did note that some domestic water...
  29. continuing education no longer required

    just set up to do the required ced for renewing licenses. now its just been cancelled for virginia.
  30. yeah, the tech in nest that makes it act weird...

    yeah, the tech in nest that makes it act weird with new stuff, was designed for ancient units like this. the other issues, are other issues.
  31. unrolling the tubing rather than pulling it out...

    unrolling the tubing rather than pulling it out from the center will prevent from having a torque built into the tubing. same as romex wire, you unroll it it lays flat, if pull a 40' section out...
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    power stealing tstat?

    power stealing tstat?
  33. did that today, 306 main st, but there's a south...

    did that today, 306 main st, but there's a south and a north main. hardly any building numbers on main st either end. was suite c, door is on side of building that has a giant sign on front for...
  34. yes, I have a flashlight....

    yes, I have a flashlight....
  35. Replies
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    2,358

    I just noticed some of the lines arent connected,...

    I just noticed some of the lines arent connected, may be not done yet?
  36. commented to coworker one time, why do cans with...

    commented to coworker one time, why do cans with the pop top lids say on side, can use can opener other end? why do the pop top then?

    he said, people with arthritis cant work the tab, so have to...
  37. speaking of appliances, range manufacturers need...

    speaking of appliances, range manufacturers need to get their heads screwed back on straight. every one I see has the bumpouts in a different spot in back, so evrytime you get a new stove, have to...
  38. I've seen pink, yellow, green, gray insulation...

    I've seen pink, yellow, green, gray insulation depending on if fiberglas or rock wool.
  39. Replies
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    1,724

    blows cool air on people waiting in line? whats...

    blows cool air on people waiting in line? whats with the weird wall texture.
  40. if it ran for 8 years, why did you think adding...

    if it ran for 8 years, why did you think adding batteries to tstat would make it start running?
  41. went to one today, house is 200' off street, 1...

    went to one today, house is 200' off street, 1 1/2" numbers just under the porch light(like, amlost behind the light), didnt see it until pulled up to end drive.
  42. put a piece wood behind the sofa leg so it wont...

    put a piece wood behind the sofa leg so it wont slide to the wall and tear it up.
  43. The thing I see a lot- everyone that comes to...

    The thing I see a lot- everyone that comes to your house doesnt know where you put the house number, so dont be creative. by the front door or the mailbox, period. in the bushes, roof, out in yard I...
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    1,243

    I laughed, then my eyes threw up.

    I laughed, then my eyes threw up.
  45. Replies
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    1,117

    new and old oil, yes

    new and old oil, yes
  46. Replies
    5
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    1,117

    oops, system had NO acid.

    oops, system had NO acid.
  47. Replies
    5
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    1,117

    oil trap setup sounds like good use. I did sd in...

    oil trap setup sounds like good use. I did sd in vertical section going down into compressor, was worried would hold too much oil in it. system did have acid, but acid test did get the black gunk on...
  48. Replies
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    1,117

    nasty compressor

    was sent out to replace a second compressor last week. tested for acid to be safe since new compressor only lasted few months. black oil came out on paper. called tech rep and they just recommended a...
  49. Replies
    12
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    783

    most systems if you add wire jumper to the dehum...

    most systems if you add wire jumper to the dehum terminal will run back up to full speed. the on board connection is a jumper. those jumper connections on board are really tiny so hard to get at them...
  50. i don't think that building was designed for ac....

    i don't think that building was designed for ac. would need tighter envelope so could get the humidity down inside.
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