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  1. Replies
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    If the RO system came with a storage tank you...

    If the RO system came with a storage tank you should use it as directed.
  2. As a dealer we give away 10 year parts and labor...

    As a dealer we give away 10 year parts and labor warranties and have been around 20 years. Does your guy offer a 10 labor warranty? Will he still be around? We are probably twice the price of cheap...
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    We have very hard water here to and I definitely...

    We have very hard water here to and I definitely recommend it for the Truesteam if you do too. You should be able to install it in line to the unit. We have had a lot of problems with these...
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    Use cold very soft water only.

    Use cold very soft water only.
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    582

    Sounds like you might have found it. Good luck...

    Sounds like you might have found it. Good luck with the nest. Some people love them. Not me, but I'm sure someone.
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    Psc motor speeds.

    Is it true that 3 speed motors rpm will only vary 50 between speeds? What is the increase in torque between speeds on a 1/2 hp 1075 rpm motor?
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    582

    A rheem you say, did the old stat have a em heat...

    A rheem you say, did the old stat have a em heat setting? The outdoor unit sometimes reads heat pump or air conditioner.
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    If/when you call a pro ask them to perform a...

    If/when you call a pro ask them to perform a combustion analysis. It's the only way to determine if you are over or under fired.
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    582

    Is the stat setup for heat pump?

    Is the stat setup for heat pump?
  10. Replies
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    582

    Could be a million things but to narrow it down...

    Could be a million things but to narrow it down you might need a service call to test everything properly. Was the nest recently installed by you and not a professional? Is it electric air handler...
  11. Thread: circuit board

    by ksefan
    Replies
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    160

    It's hard to troubleshoot without being there to...

    It's hard to troubleshoot without being there to hookup test equipment. I would not advise buying more parts. Call back the company who performed the diagnosis and pay them for another trip charge...
  12. By basement I meant first floor not crawl space.

    By basement I meant first floor not crawl space.
  13. Sound like possible normal heat operation. During...

    Sound like possible normal heat operation. During defrost the reversing valve energizes and the refrigerant changes direction of flow. I have never heard of senville, checked out their website, did...
  14. I have seen customers whose gas usage went up...

    I have seen customers whose gas usage went up after using stage one due to it being not efficient.
  15. Air handler installed in the basement with ducts...

    Air handler installed in the basement with ducts in the floor/ceiling instead of a trunk line from the attic to the basement.
  16. Anyone watch the new Cosmos series with Neil...

    Anyone watch the new Cosmos series with Neil Degrass Tyson? Very informative about climate change. Beware republicans it contains science.
  17. X2 what he said.

    X2 what he said.
  18. Replies
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    If employers didn't treat their workers like this...

    If employers didn't treat their workers like this clown in the Keys we wouldn't need unions.
  19. If all goes as planned, I believe we make about...

    If all goes as planned, I believe we make about 10% profit. Every repair always goes as planned.
  20. Replies
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    377

    The honeywell 9000 is one of the best thermostats...

    The honeywell 9000 is one of the best thermostats on the market. In my opinion they are the most reliable, easy to program, and use.
  21. Replies
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    Install a time delay relay between w1 from the...

    Install a time delay relay between w1 from the stat and ah or furnace. I like the honeywell models with the setting for economy instead of comfort.
  22. How old is that furnace?

    How old is that furnace?
  23. There is more involved in part replacement than...

    There is more involved in part replacement than the cost of the part like the cost to have the part available or to have it ordered and shipped, warranty the part, overhead at the shop, pay the parts...
  24. On most systems I test I usually see between 35...

    On most systems I test I usually see between 35 and 55 degree rise electric resistance heat. If he bypassed your outdoor temp sensor and lockout to possibly use the thermostat to control the heat...
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    461

    Sorry.

    Sorry.
  26. Replies
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    There is I wide range of what different companies...

    There is I wide range of what different companies check and charge for this service. The company I work for performs a combustion analysis in the winter if it's a gas system along with basic cleaning...
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    They need to make a varible orifice size burner.

    They need to make a varible orifice size burner.
  28. Replies
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    It's hard to get any good combustion on low...

    It's hard to get any good combustion on low stage. I find on most single stage units I end up with 11 to 12 inwc on lp or 5 inwc on nat just to get 7 to 9% o2. At lower pressures your burning a lot...
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    Around here neither plumbers or appliance...

    Around here neither plumbers or appliance companys know what combustion analysis is. Call hvac companies until you find one who is NCI certified and in the mean time get several carbon monoxide...
  30. Replies
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    How many other appliances are set for nat gas?...

    How many other appliances are set for nat gas? You might need a combustion analysis performed on all to verify they are burning properly.
  31. Replies
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    I don't think it's compatible. I have heard of...

    I don't think it's compatible. I have heard of people switching to two stage heat and using more gas than before due to low fire stage being not efficient.
  32. Replies
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    3.

    3.
  33. Replies
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    It's a fine art adjusting gas pressure to achieve...

    It's a fine art adjusting gas pressure to achieve proper combustion in low and high fire modes and your not really gonna see a drastic change in gas usage. Might be best to keep what you have. That...
  34. Thread: hvac confusing

    by ksefan
    Replies
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    647

    I meant to type between 350 and 450 CFM per...

    I meant to type between 350 and 450 CFM per ton/12000 btu of cooling capacity.
  35. Thread: hvac confusing

    by ksefan
    Replies
    11
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    647

    What type of metering device? If it's a fixed...

    What type of metering device? If it's a fixed orifice or capillary tube you adjust the charge to achieve the correct super heat(difference in suction line temp and saturation temp). But before that...
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    You might try a asking for a senior tech or...

    You might try a asking for a senior tech or different company, maybe your tech was having a bad day.
  37. Thread: hvac confusing

    by ksefan
    Replies
    11
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    647

    Just kidding, compression ratio is usually 3 to...

    Just kidding, compression ratio is usually 3 to 1. What kind of system are you designing? Residential,refrigeration, or industrial?
  38. Thread: hvac confusing

    by ksefan
    Replies
    11
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    647

    Are you a goodman engineer?

    Are you a goodman engineer?
  39. I can easily see how 11 lbs can leak out of a 5...

    I can easily see how 11 lbs can leak out of a 5 ton system with a txv. There is possibly a minor leak in one of the coils, which is common on goodman and amana equipment. The other company should be...
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    Great read thanks for the post. This job is way...

    Great read thanks for the post. This job is way over my skill level.
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    If you like customer service do residential....

    If you like customer service do residential. Commercial pays better but might be more weekends and longer hours. I recommend unions but it depends on a lot of other factors if that's best for you. I...
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    What was the flue gas temp? Combustion analysis...

    What was the flue gas temp? Combustion analysis would be useful.
  43. Replies
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    Not good. Not removing enough heat can cause...

    Not good. Not removing enough heat can cause problems. Have you found the heat exchanger rusted? Is there co alarm gone off?
  44. Thread: PSI

    by ksefan
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    1,010

    Should be able to find any leak at 150 psig...

    Should be able to find any leak at 150 psig nitrogen pretty easy.
  45. Replies
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    When I first started I burnt a motor that way,...

    When I first started I burnt a motor that way, oops.
  46. Replies
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    You should be able to get an all aluminum goodman...

    You should be able to get an all aluminum goodman evaporator coil with a txv from a goodman dealer for a relatively cheap price compared to a train or American Standard.
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    If it's under warranty you shouldn't have to buy...

    If it's under warranty you shouldn't have to buy anything. The cost of the coil might be the only thing covered by the warranty.
  48. You can't bend a 4 in filter.

    You can't bend a 4 in filter.
  49. Replies
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    Static pressure and a blower performance chart.

    Static pressure and a blower performance chart.
  50. Replies
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    Looks just like every other goodman install.

    Looks just like every other goodman install.
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