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  1. Replies
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    We use Lokring to connect couplings and fittings...

    We use Lokring to connect couplings and fittings on the split systems. Check out the Lokring store online. These fittings are compression used with a special tool. Makes connections fast with no risk...
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    This is the Ask Our Pro's forum. In order to post...

    This is the Ask Our Pro's forum. In order to post a response here, you must have verified qualifications and have been approved by the AOP Committee. You may ask a question by starting a new thread....
  3. This is the Ask Our Pro's forum, and only Pro...

    This is the Ask Our Pro's forum, and only Pro members that have been vetted by the AOPC may post advise here. Please apply to the AOPC today, thank you.

    You can find the rules for posting and...
  4. This is the Ask Our Pro's forum, and only Pro...

    This is the Ask Our Pro's forum, and only Pro members that have been vetted by the AOPC may post advise here. Please apply to the AOPC today, thank you.

    You can find the rules for posting and...
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    Need Feedback from Current Rotobrush Users

    I know this topic has been a hot one, but need to hear from owners that have a rotobrush.
    Does it do the job? I know there's a difference of opinion on the IAQ piece, health, etc...(don't really...
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    Radiant System(Please help..at wits end)

    I'm having an ongoing issue with a radiant system. Here's the setup.. A Unico air handler with a hot water coil, Bradford white hot water tank, a taco pump and a honeywell zone valve. Pressure in the...
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    2,655

    4 inch supply ducts??

    Last wk we looked at a job that another contractor was in the middle of before the GC bounced him out. They asked us to verify his work up to this point and submit any recommendations or changes....
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    That reminds me of a job we bidded on last...

    That reminds me of a job we bidded on last week...the homeowner was comparing my proposals with a competitor and when I offered humidifiers as part of the package...he was convinced by the other...
  9. Very large commercial spaces and data centers

    i've seen have employed a Plate & Frame heat exchanger thus allowing the chillers to not run when outdoor temps below 38 degrees. This is a very common setup in larger commercial applications.
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    I work in the Chicagoland area

    and operate either by Chicago code or IMC...with either you can absolutely horizontal discharge a mechanical vent with requirements being minimum 12" above finished grade or anticipated snow level or...
  11. Thread: Aire Serv

    by mmj614
    Replies
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    801

    Got a call from them a couple wks back...

    Got a call from them a couple wks back (voicemail)...stating they were looking for businesses in my area to franchise, blah, blah, blah...I think they cold call just about everyone to see what...
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    Switchgear is a load center, part of the...

    Switchgear is a load center, part of the electrical distribution system within a building(typically large commercial/industrial). It's usually contains the main feed from the utility company with...
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    OOOPS!!!This ones out of date....

    ..
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    Hi Efficiency Rebates

    You have to go with High Efficiency these days...take advantage of the Fed rebate in addition Peoples Gas and North Shore are handing out $450 cash rebates through the next month or so on High...
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    Root cause was the indoor blower gone bad. It...

    Root cause was the indoor blower gone bad. It ran, but shaft was very stiff...I'm amazed that it would melt the blades on that inducer and cause such an issue. The melting of the plastic had set off...
  16. Replies
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    11,314

    No Spark..

    I came off of a Carrier rooftop similar model last week...similar issue, cycle would start with inducer, no spark, try a few times and lock out. Pulled ignition cable checked for spark..it was there....
  17. Thread: AIG bonuses

    by mmj614
    Replies
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    1,202

    I thought the best part was that after the FED...

    I thought the best part was that after the FED takes care of the 1st 90%, the states will take care of the rest...
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    339

    Inducer distortion?

    RHEEM RGTA furnace(horizontal). Has anyone experienced this inducer (all plastic wheel and housing distort from heat. As part of the service call the inducer was locked up. Replaced, all ran well....
  19. Replies
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    3,515

    You have a gas furnace installed along with a...

    You have a gas furnace installed along with a heatpump?
  20. Replies
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    Here's one I came across on Craigslist a few days...

    Here's one I came across on Craigslist a few days ago coincidentally...good deal if you're in the area...

    http://chicago.craigslist.org/chc/tls/973510744.html
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    Promax

    We have the Promax 5410's...they work great...
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    3,201

    The way I erect the LG is from the A...

    The way I erect the LG is from the A frame(short)position open it up till it's 180. From there I'll take one end and extend it to it's max and do the same with the other end. From that point I'll...
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    3,201

    Little Giant Ladder

    I also have a Little Giant Ladder..it comes handy when we take a truck out (astro van, without racks). It's the fiberglass version which is much heavier than the aluminum, but prefer it for two...
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    Milwaukee Copper Pipe Cutter

    10502

    Picked this up last week...a bit pricey at $175...but a real time saver...
  25. Thread: Fried Turkey

    by mmj614
    Replies
    11
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    1,035

    A few wks ago had 2 fryers going at the same...

    A few wks ago had 2 fryers going at the same time...one a turkey, injected with creole/butter seasoning (picked up at Dick's Sporting Goods). Don't inject through the skin....it needs to stay in tact...
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    3 beeps, long freeze cycle could be caused by...

    3 beeps, long freeze cycle could be caused by sticking float, leaking water valve (not external, but through) or low refrigerant not freezing the water and sump staying full. After 2 continuous...
  27. Replies
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    Long shot but look in the bottom of the blower...

    Long shot but look in the bottom of the blower compartment to make sure the metal pan was taken out when used in this configuration where airflow is thru the bottom of the furnace...
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    Pay the contractor...

    In this instance the contractor should be payed with the exception of a minimal cost and $100 seems reasonable as it would require a contractor a few hours to come back, charge and check operation....
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    Refrigerant pressures?

    Refrigerant pressures?
  30. Replies
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    The filter should not be expected to stay in...

    The filter should not be expected to stay in place by just leaning...is there a track it's inserted through? If not you need a filter rack. If you have a track is the filter installed backwards where...
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    I deal with predominantely Rheem and sell their...

    I deal with predominantely Rheem and sell their extended service plans as well. The agreement or warranty is not between me(installer/dealer) and the customer, it's between the customer and the...
  32. Thread: Blowing fuses

    by mmj614
    Replies
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    3,837

    Are you saying that even though the coils are...

    Are you saying that even though the coils are dirty that this would not be a cause for higher than normal discharge pressure and higher amperage?
  33. Replies
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    make sure you're comparing the same warranty. You...

    make sure you're comparing the same warranty. You can have a 10yr parts only, 10yr labor only or 10yr parts and labor. Also the extended warranties can start yr 2-10 in the flavors listed above or...
  34. Thread: Blowing fuses

    by mmj614
    Replies
    27
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    3,837

    Split the coil

    you'll be surprised what you find in between. I've had a few that look clean from either side but caked on the inside. You're pressures and amperage are pointing to that as well. Sprinkler on the...
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    Replace it all...

    Systems over 18yrs old, you change coil/condensing unit now...how much longer can you expect the furnace to last, it's not as easy as just pulling the furnace out from under the coil down the road...
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    Bid on a job last month to replace a 170k btu...

    Bid on a job last month to replace a 170k btu furnace and 5 ton AC, performed load calc came up with 112kbtu furnace and 3 1/2 ton AC...I almost lost the job as the homeowner told me that he had...
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    Hoshizaki handbooks

    Any place you purchase Hoshizaki parts, you should be able to purchase the handbook.
  38. Replies
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    How's the refrigerant charge? If it's low, it...

    How's the refrigerant charge? If it's low, it would take longer to make the ice..rather than the float switch(going down indicating sump is empty) sending signal to board to harvest the system would...
  39. Replies
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    Hoshizaki Machines

    The high suction pressure and the fan off could be normal operation as it does go through a sequence at start up and is in harvest mode. This model I believe only holds about 15oz of refrigerant,...
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    New system coil sweating profusely....

    We had a system we installed last wk in an 1800 sq. ft house in Chicago. Brick/stone, 2 story with vinyl windows. System installed was 3 1/2 ton Rheem complete inside/outside. After running for a day...
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