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  1. Replies
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    Hard to determine without having the substance...

    Hard to determine without having the substance tested.

    If you did not see it before you had the new a/c installed then a good bet would be that the ducts were dirty and the installation disturbed...
  2. Thread: Cad Ohms

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    1,771

    Was talking to an friend yesterday who just...

    Was talking to an friend yesterday who just bought a UEI C85 and he said he would come over one day this week with it. He also told me about an issue he's been dealing with for a customer with a 6...
  3. Thread: Cad Ohms

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    No kidding. I may be old but at 66 fairly sure my...

    No kidding. I may be old but at 66 fairly sure my brain still works. If not I wasted $25K on my first cnc router a few months ago. Thank you for your concern though, but just in case I'll make...
  4. Thread: Cad Ohms

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    Oops posted same twice

    Oops posted same twice
  5. Thread: Cad Ohms

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    It's only 300 miles! It is running but I'll...

    It's only 300 miles!

    It is running but I'll feel better when I get it set up properly. I put it off last year but will be buying an analyzer and new smoke pump this week. Any suggestions?

    I...
  6. Thread: Cad Ohms

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    Only for my tractor! Once the heat pump is...

    Only for my tractor!

    Once the heat pump is installed that oil tank is gone and my wife said the baseboard heaters WILL be gone too!

    House is well insulated and we only burn about 350 gallon a...
  7. Thread: Cad Ohms

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    Had a friend who specialized in oil check this...

    Had a friend who specialized in oil check this each year, but sadly cancer got him and when I called around, two said they set them up by eye, another said I knew more than he did and the rest didn't...
  8. Thread: Cad Ohms

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    Thanks but had those pics.

    Thanks but had those pics.
  9. Thread: Cad Ohms

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    Its my home and I rarely worked on oil. I'm...

    Its my home and I rarely worked on oil. I'm retired and my wife is on blood thinners. She was none too happy to wake up to a cold house. Boiler was purchased from Famous Supply at their Cleveland...
  10. Thread: Cad Ohms

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    Cad Ohms

    Burnham MPO 147, Beckett AFG, L1 Head, new primary R7284, new nozzle .85/60B, fuel pressure 150psi (strainer clean), Tiger Loop with new filter, flue pipe clear, boiler lightly sooted. Smoke pump...
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    Fellow at Sid Harvey said there where was an...

    Fellow at Sid Harvey said there where was an issue with Bacharach turn arounds for a while.
  12. Replies
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    Learning it shouldn't be a problem. Regardless of...

    Learning it shouldn't be a problem. Regardless of brand, none of the locals (Sid Harvey, RE Michel, Famous, Johnstone & Robertson) stock any or know anything beyond what's printed in their catalogs....
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    Looking at the UEI C1550 Oil Kit. Any thoughts on...

    Looking at the UEI C1550 Oil Kit. Any thoughts on this one?
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    -0.02 in the stack and confirmed Z at 1.75". I'll...

    -0.02 in the stack and confirmed Z at 1.75". I'll check rear port today. Any recommendations on an analyzer?
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    Found partial obstruction in the chimney. Running...

    Found partial obstruction in the chimney. Running now, checked CO and adjusted to zero smoke.
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    Ugh! I missed the bypass plug. This is a...

    Ugh! I missed the bypass plug.

    This is a Burnham MPO 147 with L1 head equipped with a Tiger Loop (new filter) and a Beckett Heat Manager. Aquastat is 6 years old. After installing the plug, it...
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    Beckett Tech said that this was an issue with the...

    Beckett Tech said that this was an issue with the 7116 pump with the cone valve.
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    Thanks. This one was built in September 2018.

    Thanks.
    This one was built in September 2018.
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    Oil pump failure

    Replaced Beckett (Suntec) A2EA-6520 pump with A2EA-6527 last Friday. It worked fine for a week. Replaced it again today and this new one isn't working either. Blew out all of the lines, then removed...
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    Old posts

    I saw that before I posted, but I don't believe there is anyway to search by age, so that makes it just as likely for an 11 year old post to show up as one that is 11 minutes old, but thank you for...
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    Air cleaners with fresh air intake

    I have a customer who had a fire that destroyed two Broan Nutone Guardian Plus units and he wants to replace those. These things were junk and the install even worse. Are there any good products on...
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    I'll take an educated homeowner over someone who...

    I'll take an educated homeowner over someone who has no clue - any day of the week, but they must be a total nightmare for those too lazy to do their jobs!
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    Bought a Honeywell f100 media cabinet today and...

    Bought a Honeywell f100 media cabinet today and decided to place a 20 x 20 x 12" between the f100 and the base, center the vertical drop and build a 20x20 to 20x12 transition 14" long. This goes in...
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    Return plenum design

    I need to build a transition from a 20" x 12" vertical return plenum to a 20" x 20" x 4" filter box mounted horizontally above the base for the system. My thought is to build a 20" x 20" x 12" high...
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    Duct Cleaning equipment

    Am listing this for a friend. If interested please contact Lee directly at 412-716-7701.

    1 Abatment Technologies Hepa Air 2500 Vacuum purchase new 5800.00 very good condition
    1 GX240. Honda 8 HP...
  26. Unlike many of my competitors I rarely and I do...

    Unlike many of my competitors I rarely and I do mean rarely sanitize a system. Only slightly better than soot sealing, both when routinely offered are an expensive joke. I'm also honest with the...
  27. I connect a short section of 8” vacuum hose to...

    I connect a short section of 8” vacuum hose to the return side of the system. This is generally done at the base of the return plenum, filter or blower cabinet opening. It and one or more sections...
  28. While that may be true for those running...

    While that may be true for those running glorified shop vacs or worse, my vacuum is powered by a 56HP turbo diesel and in my 11 years of cleaning, I've not had a single legitimate callback. I'm not...
  29. Thread: Inverted loops

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    Thanks

    Thanks
  30. Thread: Inverted loops

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    Inverted loops

    Armstrong horizontal mount variable speed air handler with 3.5 ton coil mounted in the attic. Condensor is 10' below the AHU. Only have a few inches above the unit to work with and would like to know...
  31. There haven't been any studies that I know of...

    There haven't been any studies that I know of done in several years but like anything else the job is only as good as the people doing it. Those customers who are fortunate enough to find a company...
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    I took NCI's Air Balancing Class and it was an...

    I took NCI's Air Balancing Class and it was an expensive joke! Buy from someone else.
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    Combustion analyzers

    Its time for a new one and am looking for opinions on which one to buy. Thanks
  34. With rare exception, sanitizing is an expensive...

    With rare exception, sanitizing is an expensive joke. The EPA mandates that these products only be used in non-porous duct work and metal ducts are by far the easiest to thoroughly clean. It is also...
  35. Cleaning branch ducts located on upper floors...

    Cleaning branch ducts located on upper floors often requires that your tools negotiate sharp bends, multiple ells, etc and with the shorter rods this can be a real challenge as you have no control...
  36. Champion 2 stage powered by the 56 HP diesel that...

    Champion 2 stage powered by the 56 HP diesel that runs my vac. Recommend buying the best compressor that you can afford, but definitely not the ones sold at Sears and other big box stores. You might...
  37. I've not used it. I have Nikro, Pro-Spin and...

    I've not used it.

    I have Nikro, Pro-Spin and had a third one that came with my first vac, but don't recall the brand. Brush systems have a lot of drawbacks: 1. They do not negotiate tight bends...
  38. Don't waste your money! In my opinion and I've...

    Don't waste your money! In my opinion and I've bought 3 different ones, there are no brush systems on the market that work anywhere near as well as pneumatic cleaning tools in conjunction with a ...
  39. If only one side of your home is affected, look...

    If only one side of your home is affected, look for an air diverter in the supply plenum. Handle may be missing, but there should be a small (1/4" or so) hole and/or pivot pin (axle) sticking out....
  40. If possible check to see if your return air...

    If possible check to see if your return air branch ducts are internally insulated with fiberglass batts. If so and loose, the insulation or paper backing may be blocking return air. If you have low...
  41. Thread: Duct Cleaning

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    I agree and think that there should be at least...

    I agree and think that there should be at least one tech on every job that has had prior training and/or experience in hvac and would love to see NADCA make this a requirement for certification. I...
  42. I was certified for my first 2 years and they are...

    I was certified for my first 2 years and they are an expensive joke! I think you'll also find the price to renew is far higher than that. They are also relatively small with only about 1000 member...
  43. On average I sanitize about 1 system a year and...

    On average I sanitize about 1 system a year and then only at the homeowner's insistence. I was NADCA certified my first two years, but decided against it as most people have no clue who they are.
  44. I agree mold can remain dormant for many years...

    I agree mold can remain dormant for many years and sanitizing is warranted as long as there is active growth, but once the moisture problem has been corrected, mold growth ends and the only way to...
  45. Just because you see it doesn't mean its active....

    Just because you see it doesn't mean its active. If the system was dry with no active mold growth thorough cleaning would be fine. It takes time for a system to dry out after a problem is corrected...
  46. Unless you live in an area with consistently high...

    Unless you live in an area with consistently high humidity, mold should not be present in the duct work. If it is there has to be a moisture problem somewhere. That may be an improperly sized system,...
  47. Thread: Duct Cleaning

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    The best companies take their time (it can't be...

    The best companies take their time (it can't be done in an hour or two), use a good vac with a minimum of at least 5000 cfm, some form of agitation (either brushes or pneumatic whips) to thoroughly...
  48. Gas is a must and if you live in a cold climate...

    Gas is a must and if you live in a cold climate do yourself a favor and buy one with electric start. I've heard several good things about the Eaton Compressors and have one of their pumps for a...
  49. I don't recommend sanitizing unless there is...

    I don't recommend sanitizing unless there is specific need for it. Even then, mold will only grow where unwanted moisture is present and all of the sanitizing in the world won't prevent its...
  50. For flex duct, I prefer one or more passes with...

    For flex duct, I prefer one or more passes with Heat Seal's low pressure 28" whip. Unless the flex is in very bad shape to begin with, this whip will do a thorough job of cleaning with damaging the...
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