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Type: Posts; User: dougfamous

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  1. Carrier furnaces will drop power to the...

    Carrier furnaces will drop power to the thermostat in the event of a limit fault (furnace overheating, etc). If your furnace has been overheating then you will lose your thermostat repeatedly and...
  2. It's not a faulty switch. If the gasket is there...

    It's not a faulty switch. If the gasket is there then it's doing what it is supposed to do.



    Could it have been assembled incorrectly? I highly doubt it. Is it a possibility? Sure, it's...
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    The return air is the air being blown into the...

    The return air is the air being blown into the house, not the air being used for combustion. On newer homes it's pretty common to see some sort of fresh air intake/air exchange because the houses...
  4. Wow, he must have really went bananas with the...

    Wow, he must have really went bananas with the silicone. If he got it into the wheel itself, it can definitely cause it to ride out of balance and vibrate or shake. (Think of a car tire that loses...
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    How old is the furnace? If it's more than 5...

    How old is the furnace? If it's more than 5 years old I wouldn't bother with either.
  6. This is incorrect. Just removing a few panels...

    This is incorrect. Just removing a few panels does not guarantee your airflow is not a concern.



    Your answers:
    A - It is not designed to sense "conduction". It senses the air temperature...
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    From your post and the language you're using I...

    From your post and the language you're using I would never guess you're a technician. If you're having trouble with this (and really, this isn't that complicated) then frankly you shouldn't be...
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    So, let me see if I understand this - you want to...

    So, let me see if I understand this - you want to add a media filter cabinet IN FRONT of the existing EAC cabinet? So, you'd have essentially two filters?

    No, you should not do that.

    If you...
  9. XE900 condensers didn't have service valves on...

    XE900 condensers didn't have service valves on them, so they couldn't "valved off". On most newer systems, you would close the service valves after evacuation to stop oil from leaking out.

    To...
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    What you're smelling is exhaust, which I don't...

    What you're smelling is exhaust, which I don't have to tell you is bad.

    Economy or not, that furnace is likely in a very dangerous condition and you're going to need to shut it down and have it...
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    Happened to my friend. He owned a small...

    Happened to my friend. He owned a small commercial building with three furnaces in it, scrappers cleaned it out (even the ductwork). They even kicked open the walls and busted out the cast iron...
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    Please stop now before you injure yourself or...

    Please stop now before you injure yourself or make your problem much, much worse. Jumping safeties is NOT something you should be doing. If you've checked the filter and it's clean then please call...
  13. As a tech, once you touch it for any reason then...

    As a tech, once you touch it for any reason then any failure for the rest of time is your fault because "you just worked on it".
  14. You'd have to consult the chart on the heat pump...

    You'd have to consult the chart on the heat pump to determine what airflow it requires in heat mode, but it sounds as if the blower in that furnace is grossly oversized for a two ton unit. I would...
  15. You're likely experiencing what's called a "soft...

    You're likely experiencing what's called a "soft lockout". The furnace is experiencing a problem (such as overheating) but eventually reaches the setpoint. By turning the thermostat down and back...
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    How about this Mason lever and weight PRV? I...

    How about this Mason lever and weight PRV? I know there's one or two of these still out there in Cleveland Heights.


    547151
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    An ad for Vinco boiler treatment, with FREE...

    An ad for Vinco boiler treatment, with FREE laboratory service available!

    547141
  18. Replies
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    677

    The Maryland Air Conditioning Corporation...

    The Maryland Air Conditioning Corporation vertical type unit:

    547131
  19. Replies
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    677

    How about this vintage National Airoil Burner...

    How about this vintage National Airoil Burner Company Type I-R Burner?

    547121
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    677

    1932 ASHRAE Manual Pictures

    I've got some spare time and I was testing out my scanner, so I decided to post some images from my 1932 ASHRAE manual. (At that time, it was the ASHVE - American Society of Heating & Ventilating...
  21. That's a lot of typing to say "They take the van...

    That's a lot of typing to say "They take the van back".
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    This is precisely why you should be replacing the...

    This is precisely why you should be replacing the ENTIRE SYSTEM not just the condenser. As BL said - this one will haunt your dreams. Swap in a commercial-style replaceable core drier and pick up a...
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    This site doesn't offer help to DIY homeowners. ...

    This site doesn't offer help to DIY homeowners. I highly recommend you have a qualified service technician (and not your college roommate's ex-brother-in-law who does heating and handyman stuff)...
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    That's an easier way to keep birds out then...

    That's an easier way to keep birds out then putting a chimney cap on. FWIW, if they added a barometric this would vent fine.
  25. After the month, they take the van back?

    After the month, they take the van back?
  26. Replies
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    It's extremely unlikely you have had three bad...

    It's extremely unlikely you have had three bad bases. I've encountered a half dozen NESTs in the field connected to heat pumps - every single one caused headaches and was replaced with another...
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    If it runs fine sometimes, then the fan is likely...

    If it runs fine sometimes, then the fan is likely not the problem. It should not have ice building up on it, that blade is plastic and will not tolerate even a light buildup before spinning out of...
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    Two year old batteries should be replaced.

    Two year old batteries should be replaced.
  29. Sounds like one of the safeties is dropping in...

    Sounds like one of the safeties is dropping in and out rapidly. Make sure that your drain is clear/unclogged, the trap is clean, and the vent pipe is pitched the proper way and free of obstructions.
  30. Bryant/Carrier literally come off the same...

    Bryant/Carrier literally come off the same assembly line. Same with Trane/American Standard. The fact that they'd be rated differently should be your clue that the entire testing process is...
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    Yes. When a heat pump is in defrost it's...

    Yes. When a heat pump is in defrost it's essentially in air conditioning mode temporarily. The fan outside stops to ramp up the head pressure, which heats up the coil and melts off the ice. The...
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    There's only one SureLight board kit for Lennox...

    There's only one SureLight board kit for Lennox now AFAIK. It's their number 10Y24 (old 83M00). White Rodgers does offer an aftermarket kit - 21D83M-843.

    They are notorious for failing. Also,...
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    Have you recently replaced the thermostat or the...

    Have you recently replaced the thermostat or the batteries? Sometimes if they go dead they lose their installer settings and need to be re-programmed. What furnace do you have?
  34. If you have radiant now you will most likely NOT...

    If you have radiant now you will most likely NOT like the air that heat pumps put out. Yes, it will heat (and at a lower cost than oil, to be sure) but the air being delivered won't be scorching hot...
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    373LAV should still be a carbide ignitor. The...

    373LAV should still be a carbide ignitor. The ohms should be 45-70 though.
    Run the component test off the board as was suggested. If the ignitor glows then you have another problem.
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    National Refrigeration Products - NRP.

    National Refrigeration Products - NRP.
  37. Replies
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    You should be able to slide the cooling chassis...

    You should be able to slide the cooling chassis out, even on the old models. There's plenty of plugs and wires to unhook as well. It's still going to be heavy, but it's easier than removing the...
  38. You cannot convert your existing air handler to a...

    You cannot convert your existing air handler to a gas burning appliance. You can, however, replace the existing air handler with a high efficiency gas furnace and add a coil. Depending on how old...
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    It sounds like your motor, but without being...

    It sounds like your motor, but without being there it's hard to give you an accurate diagnosis. If you don't trust your tech then try calling another company for a second opinion.
  40. I'd suggest you call someone in to look at it for...

    I'd suggest you call someone in to look at it for you. Being 31 years old, you may have more issues than you realize. That unit doesn't owe you anything, it's probably time to consider replacing it...
  41. Thread: New to me.

    by dougfamous
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    That's a Trane. Had a few of them do that. The...

    That's a Trane. Had a few of them do that. The crimps on the hub let go and WHAM-SCRAPE-SCRAPE-SCRAPE.
  42. Replies
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    Yeah, even the base model rounds are snap...

    Yeah, even the base model rounds are snap switches now. They all click.
  43. Replies
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    Trane just issued a service bulletin advising...

    Trane just issued a service bulletin advising people not to set their gas pressure above the factory recommended 3.5". Whether you agree with them or not is moot, operating the furnace beyond the...
  44. A store bought, UL rated CO detector is not going...

    A store bought, UL rated CO detector is not going to do you any good. Call an HVAC contractor and have them do a carbon monoxide test with a proper instrument.

    At 45 years old you do need to...
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    Over-firing the unit will only make your problems...

    Over-firing the unit will only make your problems worse. Yes, the air is hotter, but he's now exceeded the recommended pressure set by the manufacturer. As mentioned, this can shorten heat...
  46. This site does not assist in DIY repairs - it's...

    This site does not assist in DIY repairs - it's strongly recommended you have a professional install this for you. Boilers are not something a homeowner should be tinkering with, miswiring could...
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    I need mine for testing too :)

    I need mine for testing too :)
  48. Replies
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    GMPN's are notorious for heat exchanger failures....

    GMPN's are notorious for heat exchanger failures. If you have a Dependable 92 it's closer to 15 years old not 10. You absolutely should NOT be working on this system yourself, you need a qualified...
  49. You could have a few issues. A lot of times in...

    You could have a few issues. A lot of times in new house construction the ductwork is woefully inadequate for the system. A lot of builders let the systems run without filters during the drywall...
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    Sounds like you're going to need a technician to...

    Sounds like you're going to need a technician to look at it. Boilers, especially on LP, require an experienced technician to diagnose.
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