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  1. Replies
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    If you size your metal duct system properly,...

    If you size your metal duct system properly, noisy supply air won't be an issue. Focus on keeping return quiet. I wouldn't taint a nice resi metal duct system with any flex but that's just me. The...
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    From the co reading and your nausea,...

    From the co reading and your nausea, absolutely.....unless your flue pipe is stopped up or disconnected. As far as pricing and sizing I cannot say accurately.
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    Heat exchangers still exist for that dinosaur? No...

    Heat exchangers still exist for that dinosaur? No way would I sink any money into that relic
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    Terrible install. It's likely cycling on high...

    Terrible install. It's likely cycling on high limit. Return ducts are too small. Even if they get the kinks out they're undersized. They look to be 10 or 12"? Can't really see all the supplies but...
  5. It's not that bad. Just surface dirt from what I...

    It's not that bad. Just surface dirt from what I can see. A soft brush will clean it nicely. I wouldn't spray it with self rinsing cleaner this time of year since there will be no condensation to...
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    At 40 years old replacement is in your best...

    At 40 years old replacement is in your best interest as well. I don't understand why they would need to move the flue pipe.
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    Yea you can request a copy of the load calc. I'd...

    Yea you can request a copy of the load calc. I'd do the a/c with the furnace for the reasons dan posted. Can't accurately help you choose the sizing but the better unit IMO is option C.
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    Thanks man. I'll attempt to tighten it. Looks...

    Thanks man. I'll attempt to tighten it. Looks like I'm ordering a o ring and plate gasket though.
    The terminals were my first thought. There is oil everywhere on both but none near the terminals and...
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    Copeland sight glass question

    Hello all been a long time. Hopefully someone can help. I have a copeland semi herm with a leaking sight glass. Actually have two. My first question is...has anyone experienced refrigerant loss/leaks...
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    Bye. Come back soon.

    Bye. Come back soon.
  11. If he had the proper tools he could recover your...

    If he had the proper tools he could recover your refrigerant and put it back in after the repair.

    Will the used unit work? Probably. Will it work well?.... hard to tell without the numbers off...
  12. Yea you need to check your amp draw. Your...

    Yea you need to check your amp draw. Your pressures are temps are fair. Possibly run capacitor. If unit has a start capacitor that will get it running but if the run is bad it will be over amping and...
  13. Id say 90% of the furnaces I change out are...

    Id say 90% of the furnaces I change out are grossly oversized. 100-120k btus coupled to 3ton a/c's....and this is in the deep south. I can generally cut the btu of the furnace in half, or often even...
  14. Ditto. Plus, most systems recommend not elbowing...

    Ditto. Plus, most systems recommend not elbowing the exhaust.
  15. Thread: Hello

    by ar_hvac_man
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    Welcome. Lesson number one. HVAC is Heating,...

    Welcome. Lesson number one. HVAC is Heating, Ventilation, and Air Conditioning. :)
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    A tiny particle of dust in the pilot air mixture...

    A tiny particle of dust in the pilot air mixture assembly can cause poor pilot height. The only advice I feel comfortable giving is turning your gas off, and blowing on(most times with your mouth...
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    They say Ive had 6 inquiries in the past 12...

    They say Ive had 6 inquiries in the past 12 months. Whos inquiring? I have great credit through all my suppliers. Approximately 10 different supply houses. They want money of course. Starting at 200...
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    Dun and Bradstreet

    They are blowing my phone up. I could really use some advice on what to tell these guys?
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    Thanks and thanks. I thought the picture was...

    Thanks and thanks. I thought the picture was sweet looking so I used it. Didnt know it was so over-used.

    My formal apology to exreo for the phonics jab.
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    As does your presence in the technical forums on...

    As does your presence in the technical forums on this site. Its called HVAC-TALK, not MY USELESS POLITICAL OPINION-TALK. As far as my avatar, whats your point? Did I say something about wanting a...
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    Seriously...

    Is there an option that allows one to block or un-subscribe to certain forums? Namely, this one. I remember when this was a HVAC technical site but now there are more threads about politics than...
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    Id go with the York but would definitely opt for...

    Id go with the York but would definitely opt for a heat pump and upgrade to the AVG air handler with a true ecm. There is alot of adjustment capabilities in that air handler and settings for...
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    Rheem sales a MH rated package unit. I havnt seen...

    Rheem sales a MH rated package unit. I havnt seen a gas pack rated for MH's, theyre usually heat pump or straight a/c with electric heat. What we do is use the space where the old unit was as the...
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    centrifugal switch

    centrifugal switch
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    I shouldnt have even commented. I get enough of...

    I shouldnt have even commented. I get enough of the religious mumbo jumbo from my wife. I wish I could just let go of all reason and logic like she says to do and "JUST BELIEVE". Sorry, I cant. My...
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    Ive seen gobs of the paragons fail. Usually still...

    Ive seen gobs of the paragons fail. Usually still trying to turn but stuck in defrost. I like the grasslin but have only used them for a few years so cant attest to the reliability. Not fitting back...
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    Funny, IMO anyway, how anyone can actually...

    Funny, IMO anyway, how anyone can actually believe one organized religion is better than another.
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    Defrost timers

    Which brand do you guys find to be the most reliable? Seems like I'm constantly replacing paragon. Always sticking in defrost. The last few, I've gone with Grasslin. Also, I have a catalog that sell...
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    .

    .
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    Ditto. Seems like these systems always want to...

    Ditto. Seems like these systems always want to hover around 725. Putting a 1/3 hp in in the morning and will be breaking vac at least twice with n2.
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    Could be that you have a 4 ton system with not...

    Could be that you have a 4 ton system with not nearly enough ductwork. That could cause pre-mature motor failure and could also be causing the outdoor unit to shut down on high pressure. If the...
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    Disturbing indeed. As are the 102,000 of FEMA...

    Disturbing indeed. As are the 102,000 of FEMA boxcars full of shackles. The info is out there people. Read
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    Dry mode is actually to keep the evaporator dry,...

    Dry mode is actually to keep the evaporator dry, which helps keep crap from growing on it, but in the process puts that humidity into the structure.
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    Is that thing in a conv. store restroom? :)

    Is that thing in a conv. store restroom? :)
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    get the numbers off the compressor, evaporator,...

    get the numbers off the compressor, evaporator, and txv too
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    Ill have to pull compressor to see the tag. I...

    Ill have to pull compressor to see the tag. I felt one on the side facing the cond fan. Ill try and make time this evening.
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    Same here. In ten yrs I've only encountered a...

    Same here. In ten yrs I've only encountered a handful I couldn't blow out with my lungs
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    Id like to slap Biden. As a matter of fact I'd...

    Id like to slap Biden. As a matter of fact I'd enjoy knocking the smirk off all the candidates lying, flip flopping faces. What I find entertaining is watching and listening to all you who actually...
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    Pepsi Machine Info

    I have a personal Dixie Narco machine that the compressor just took a dump on. Its an r12 system but Id like to put a copeland 134a compressor in it. Wondering if anyone might have the specs for the...
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    I do both. It helps alot it the winter when resi...

    I do both. It helps alot it the winter when resi is slow. Sucks a$$ in the summer when resi is already putting us at 12hrs a day.

    There is no "ill be there in the morning". When they call, you...
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    Your heat strips are coming on. Could be that...

    Your heat strips are coming on. Could be that they are always on, even when it's cooling. As I said before, there's not much to those furnaces and should be extremely easy to troubleshoot. Did the...
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    If its working its doubtful he overheated it. On...

    If its working its doubtful he overheated it. On a properly charged system, the hissing is usually noticeable when the unit first starts up and when it shuts down.
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    16 inch

    16 inch
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    I get plenty of ice in my drinks everywhere I go....

    I get plenty of ice in my drinks everywhere I go. Keeps me good n cleaned out :)
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    Thats a ultra-low static set up. No bricks needed...

    Thats a ultra-low static set up. No bricks needed lol

    Hopefully im seeing the edge of the main return on the left?
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    I agree. I dont see them often but there are...

    I agree. I dont see them often but there are systems set up and wired that way. No offense to the OP but hes obviously lost(we all were at some point) so I posted what I felt he needed to tackle...
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    You need to follow those steps i listed then...

    You need to follow those steps i listed then worry about wether your heaters are coming on or not.
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    Put guages on it. Turn the clock to initiate...

    Put guages on it. Turn the clock to initiate defrost. Watch gauges. It should pump down. If it pumps down and doesnt shut off, your contactor is stuck or your low pressure cutout is bad. If it never...
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    Compressor shutdown doesnt initiate defrost, your...

    Compressor shutdown doesnt initiate defrost, your clock does. Your compressor could continue to run while your heaters are energized.
  50. Replies
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    If your clock is energizing the heaters youll be...

    If your clock is energizing the heaters youll be heating and cooling at the same time.
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