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  1. Replies
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    I recently installed a 5 ton single phase Allied...

    I recently installed a 5 ton single phase Allied Commercial (Lennox) packaged unit and it also has a noisy but functional Interlink compressor. Too bad, because otherwise the unit seems well made.
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    Thanks. The pump came apart easily. I saw no...

    Thanks. The pump came apart easily. I saw no dirt or any other problem with the diaphragm or reeds. I put it back together and now it works fine. I wonder what I did that fixed it.
    ...
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    20,742

    I took out the pump but couldn't figure out how...

    I took out the pump but couldn't figure out how to get it apart without breaking it. Is there a way of squeezing it to separate the halves?
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    20,742

    I read somewhere that the 320 is made in germany...

    I read somewhere that the 320 is made in germany and the 310 is made in china. Can anyone confirm this? I am considering replacing my 5.5 year old TSI 6130.

    Has anyone seen this problem on the...
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    2,506

    I've been using that bender for years. It works...

    I've been using that bender for years. It works great as long as I keep the shoes oiled. And yes I highly recommend the reverse attachment
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    http://www.hvi.org/assets/pdfs/CPD/CPD_Sec3_01Oct0...

    http://www.hvi.org/assets/pdfs/CPD/CPD_Sec3_01Oct09.pdf

    Renewaire rates very well in these tests.
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    most power venters are not plug-and-play. they...

    most power venters are not plug-and-play. they have a throttle that needs to be adjusted correctly or they will draw too much air through the heat exchanger. be safe and have a pro set it up.
  8. why don't you want 95%?

    why don't you want 95%?
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    2,901

    Rheem used 34 second ignitors. Most trucks are...

    Rheem used 34 second ignitors. Most trucks are stocked with 17 second ignitors which are much more common and will burn out prematurely if heated for 34 seconds. The correct ignitor will say Protech...
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    control wiring for heat pumps is more complex...

    control wiring for heat pumps is more complex than for typical furnaces and a/c. and it is not consistent among brands. the safe thing to do is hire an hvac guy to connect the systems.
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    don't let anyone dissuade you from doing...

    don't let anyone dissuade you from doing research, seeking advice, and getting several bids. the guy who told you manual j calculates low is wrong. an outdoor tstat is a must. make sure the...
  12. Thread: Air Cleaners

    by jjou812
    Replies
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    793

    all electronic air cleaners produce ozone which...

    all electronic air cleaners produce ozone which is a pollutant. personally I prefer an extended media filter (examples: 20x25x5 merv 11, or SpaceGard)
  13. To me 95% is all that exists. I almost never...

    To me 95% is all that exists. I almost never install 80%.

    Multistage is for comfort. For lowest gas usage, get a properly sized 95% single stage unit.
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    Ways to close gaps in ducts: 1. Have...

    Ways to close gaps in ducts:

    1. Have correctly sized duct fabricated.

    2. Use sheetmetal pieces/angles to close gap and seal with duct sealer.

    Wrong way to close gaps : Tape.

    Tape may be...
  15. That's too bad. Hallowell's idea seems on paper...

    That's too bad. Hallowell's idea seems on paper to be a winner. I guess they need to work out the bugs.
  16. http://www.renewaire.com/for_your_home/faq.php

    http://www.renewaire.com/for_your_home/faq.php
  17. Replies
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    I use 20 x 25 x 5 MERV 11 filters made by...

    I use 20 x 25 x 5 MERV 11 filters made by Ultravation. Reasonable pressure drop, good filtering, and change interval of every six months. That is a common size made by several other mfrs: Trion,...
  18. Replies
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    Are there any pool chemicals or water softener...

    Are there any pool chemicals or water softener salt in the house? Chemicals in the air cause formicary corrosion which can kill a coil in one year.

    On the other hand, I used to work for a...
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    Fluke 116 and 179

    Fluke 116 and 179
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    http://www.raeco.com/acatalog/TSI_CalibrationKits....

    http://www.raeco.com/acatalog/TSI_CalibrationKits.html

    Kit # 802003

    Do you guys use such a kit? Is there a cheaper alternative? (I already have the nitrogen, so I just need the 500 ppm CO)
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    I also have the 6130. The mfr wants it...

    I also have the 6130. The mfr wants it calibrated at least once per year. The kit costs $600 !!!!!!!!!

    I refuse to spend that much for a calibration kit, so I tolerated some inaccuracy for about...
  22. Replies
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    A 95% furnace is 95% efficient when running at...

    A 95% furnace is 95% efficient when running at maximum capacity. When the furnace modulates down to a lower capacity for comfort, the efficiency goes down. Unfortunately for now, there are no...
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    just get a generic 1.5 ton coil with correct...

    just get a generic 1.5 ton coil with correct piston size per outdoor unit
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    Reasons for VS: 1. You run fan continuously...

    Reasons for VS:

    1. You run fan continuously to reduce stratification.
    2. You run fan continuously because you use extended media or electronic air filtration and want cleanest air.
    3. Your...
  25. I've had this on occasion. The xformer vibrates...

    I've had this on occasion. The xformer vibrates the sheetmetal it's attached to which vibrates against another piece of sheetmetal. Easy for tech to fix. Identify the source and shove something in...
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