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  1. Probably the same way I know that the highest...

    Probably the same way I know that the highest speed that the speed (cruise) control can be set is 90 MPH on a 1992 Dodge Dynasty 3.3, by breaking the law a little.

    Sent from my LG-US996 using...
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    I'm assuming that he previously didn't have the...

    I'm assuming that he previously didn't have the magic little asterisk after Professional Member that enables you to reply in AOP.
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    I've got a basic 5k BTU GE branded POS window...

    I've got a basic 5k BTU GE branded POS window shaker here that I picked up by a dumpster. It had the usual case of bad ball bearings in the fan motor because they use shielded instead of sealed...
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    The other part that has always left me scratching...

    The other part that has always left me scratching my head is how does anything besides gas make it beyond the gas meter? Look at a teardown of your basic bellows type gas meter, the entire thing...
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    My opinion here. Always go with a properly...

    My opinion here. Always go with a properly performed Manual J load calculation, always. If its results are split between 2 size classes, round down not up, IE if the manual J says 70k for heat round...
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    As I have mentioned on here before, the speed...

    As I have mentioned on here before, the speed taps on a "multi-speed" PSC motor aren't actual speeds at all, they are taps on what amounts to an autotransformer that is part of the motor's run...
  7. I see something about 1998 on the left so it may...

    I see something about 1998 on the left so it may not be physically that old but it is an old design.https://uploads.tapatalk-cdn.com/20200108/c4613b1155959d76dde00bff8881bd58.jpg

    Sent from my...
  8. It isn't just induced draft, I was given an old...

    It isn't just induced draft, I was given an old gas stove because there are certain things you just can't do with a glass top electric, so old in fact that it is the style with 3 standing pilots and...
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    Especially when said possible downsides amount to...

    Especially when said possible downsides amount to a "... but sometimes" argument.

    https://youtu.be/GiYO1TObNz8

    Please watch this all the way through.

    Then some things are just too reliable,...
  10. Here's what I meant by small VS large diameter in...

    Here's what I meant by small VS large diameter in various lengths. The gasket is roughly the same size on both. The 33336 Diesel secondary fuel filter is roughly the same size as the 51773 which is...
  11. I highly suggest that you use the wixfilters.com...

    I highly suggest that you use the wixfilters.com site. They give full specifications for any filter part number. I also highly suggest that you learn the specs of your filters and then go with the...
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    The icing on the cake here is that the heater...

    The icing on the cake here is that the heater that was linked to isn't even actually an infrared radiant one at all, it is just a normal fan forced unit, just like those scam cube heaters.

    No...
  13. PHM I can't help you with your problem, but I can...

    PHM I can't help you with your problem, but I can add this:

    I wish that GM weren't so darn schizophrenic about their designs.

    What I mean by this is that the way that they do things some times...
  14. Yes, you can, but no, you shouldn't. You should...

    Yes, you can, but no, you shouldn't. You should fix it right.

    Oh, and I assume you meant UV light not IR.

    Rear A/C block-off kits are readily available, my own van, a 5th gen Grand Caravan, has...
  15. If the 16" reading is accurate I would have the...

    If the 16" reading is accurate I would have the gas company fix the over-pressure issue and then replace every appliance gas valve that has been exposed to it as a CYA measure.

    There is roughly...
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    OK obviously I had a typo, that last torque...

    OK obviously I had a typo, that last torque number was supposed to be 1.0 not .10 lb-ft.

    My way might also explain the too much airflow situation if it does always round up to the next higher...
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    I use the Lau parts catalog a lot for technical...

    I use the Lau parts catalog a lot for technical details like these because they quote the performance curves for their various products. We already know that for a forward curved centrifugal blower...
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    You could always try a Cornell Dubilier...

    You could always try a Cornell Dubilier Quencharc, which is a small capacitor and resistor in series in a single package. My Amana commercial microwave oven from the factory uses them across the...
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    The industry already uses the Coanda effect...

    The industry already uses the Coanda effect whether intentional or not, it's what causes the dirt stains around diffusers from the airflow clinging to the surface. The Kansai Airport in Japan uses...
  20. It depends on how much effort you want to put...

    It depends on how much effort you want to put into it. If you really want to go all-out use both low loss fittings on the hoses:
    ...
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    As I understand it 404a is used in applications...

    As I understand it 404a is used in applications that use hot gas bypass because it has a higher heat of compression, for instance hot gas harvest ice machines.
  22. Think about this for a second. The TXV has bulb...

    Think about this for a second. The TXV has bulb pressure pushing down on the diaphragm trying to open the valve and equalizer (sensed suction) pressure + spring pressure pushing up trying to close...
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    Not only that but remember that whole miscibility...

    Not only that but remember that whole miscibility with oil thing, I would imagine that a mineral oil mist would strip the CFCs and HCFCs from a mix but leave the HFCs, etc. Just find another chemical...
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    May he who stirreth the erm... poop pot also...

    May he who stirreth the erm... poop pot also licketh the spoon.
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    There is a technical difference although just...

    There is a technical difference although just like there not actually being any such thing as a 4k TV it is probably ignored by the marketing goons at the various companies and hence the public at...
  26. I dunno, maybe as a last resort get a 2 ton unit...

    I dunno, maybe as a last resort get a 2 ton unit and try this: https://hvac-talk.com/vbb/showthread.php?1943541-R-410-to-R-134-conversion Make sure you get the evaporator airflow correct.

    410a is...
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    I think we may have a misunderstanding here, and...

    I think we may have a misunderstanding here, and to clear it up we have to review the definitions because people often use them incorrectly:

    Recover;

    To remove refrigerant in any condition from...
  28. No, because you haven't proven that you are...

    No, because you haven't proven that you are worthy of such information, and you're off to a bad start.

    1. You revived a several years old necro-thread as your very first post which is bad form.
    ...
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    Assuming the motors were the same nominal...

    Assuming the motors were the same nominal horsepower.

    It takes roughly double the horsepower to go from 825 to 1075 because fan power goes up to the cube of either the speed or airflow, I can...
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    Since this necro-thread got revived by a drive-by...

    Since this necro-thread got revived by a drive-by first post new user here is my Quora answer on the subject. Note to mods, if the link isn't allowed I will also paste the full text in case it has to...
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    As said Kenmore is merely a rebrander of others'...

    As said Kenmore is merely a rebrander of others' stuff. Could be good, could be bad. Here supposedly is a list: http://www.applianceaid.com/sears-manufacturing-codes.php
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    Study and possibly reconsider the phase change...

    Study and possibly reconsider the phase change (gas to liquid) to phase change (liquid to solid) system for freezing the thermal mass, unless the condenser heat will help heat the structure. Remember...
  33. Yes, ALL of the electrical energy the motor uses...

    Yes, ALL of the electrical energy the motor uses is converted to heat energy, one way or another.

    Stator winding resistive loss - heat
    Stator core hysteresis loss - heat
    Stator core eddy current...
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    Oh, and you can't use an IR thermometer on shiny...

    Oh, and you can't use an IR thermometer on shiny metal, the emissivity is wrong as it reflects surrounding IR instead of emitting its own. you have to at the very least aim the thermometer at a...
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    OK, parish, please if you are going to do this: ...

    OK, parish, please if you are going to do this:

    LEARN, LEARN, LEARN. Learn about HVAC and MVAC theory of operation, terminology, and history until you can pass the prior years versions of the EPA...
  36. OK here's what I have gleaned about RO. The...

    OK here's what I have gleaned about RO.

    The first rule is to always have as much pressure difference across the membrane as you can possibly manage. The RO membrane, if it were perfect, only lets...
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    As said propane is a refrigerant with a PT chart...

    As said propane is a refrigerant with a PT chart very similar to that of R22, but fuel grade LPG is a random mix of mainly propane and butane. If you run liquid withdrawal the pressure regulator...
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    Also if that pipe extends to below the water line...

    Also if that pipe extends to below the water line in the pump it is effectively double trapped. Either lose the trap or make sure the pipe stops above the highest water line where the pump's safety...
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    Problem found: Breaking the first cardinal rule...

    Problem found: Breaking the first cardinal rule of using a multimeter. Trying to measure ohms/continuity in-circuit/energized. The device under test has to be de-energized and disconnected.
  40. Heads up, yet another smart thermostat.

    I just got spammed to my Facebag feed an ad for the "Zmodo Tune" thermostat. It appears to be a competitor to the Nest E with the oh-so-wonderful aesthetic choice of having the display be behind...
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    Why re-invent the wheel here? Immersion...

    Why re-invent the wheel here? Immersion thermistors already exist, heck you could even just use a coolant temperature sensor for a car since it would already be designed for these exact conditions...
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    Infinite switches are an adjustable open on temp...

    Infinite switches are an adjustable open on temp rise thermostat with an internal heating element that is on at the same time as the controlled load, adjusting them varies the duty cycle of the...
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    I will just say I urge you to do absolutely...

    I will just say I urge you to do absolutely everything in your power to minimize restriction/maximize airflow. No slinky duct and the least restrictive outside vent cap you can find. More airflow...
  44. As I have mentioned here before I rewired one of...

    As I have mentioned here before I rewired one of these to a standard 4 or 5 wire stat some 15 years ago. I'm not a tech, just a guy with a 608 Universal. At the time I was just barely graduated out...
  45. I have been looking around Lawrence via Google...

    I have been looking around Lawrence via Google street view and I'm not seeing any obvious regulators on the meters. Check out 99 Jordan Street....
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    Going to a larger unit is not an upgrade. Have...

    Going to a larger unit is not an upgrade.

    Have a contractor do a full Manual J heat loss and gain calculation to see what your house actually needs according to the book, then have both systems...
  47. Running with 0 superheat is referred to as a...

    Running with 0 superheat is referred to as a flooded evaporator and requires a suction accumulator to store the excess liquid so that it doesn't reach the compressor. Ensuring that the evaporator is...
  48. Picture, 1000 words, Yadda Yadda. ...

    Picture, 1000 words, Yadda Yadda.

    https://i2.wp.com/hvacrschool.com/wp-content/uploads/2017/06/img_7608.jpg

    The temp transition from the blues to the reds should be in the last row or two at...
  49. Purge, at least on a YJ R60/R70 recovery machine...

    Purge, at least on a YJ R60/R70 recovery machine connects the internal condenser coil to the suction side of the oilless recovery compressor and connects the compressor discharge directly to the...
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    Only if the restriction is between the compressor...

    Only if the restriction is between the compressor and the high pressure switch or sensor, or you are using a low side only wreck-it-yourself charge kit from a store and have severely overcharged the...
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