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  1. When taxes are done you'll get it back.

    When taxes are done you'll get it back.
  2. $400 a month is actually pretty good. You should...

    $400 a month is actually pretty good. You should be able to buy BCBS for that amount. Just that it would be a high deductible insurance. But you will still have annual care etc.....
  3. Has anyone turned anyone in or know anybody that was turned in for violating CAA?

    Just curious. Reading it in my literature. It's a 10K fine if you pretty much vent or violate CAA? Has anybody collected this? Or know anybody who collected this?
  4. Sticky: What revolutionary refrigeration technologies...

    What revolutionary refrigeration technologies will we see coming within the next few years. It seems the principles of refrigeration has stayed the same (since the turn of time). SEER and AFUE...
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    Can the service valves be overhauled? I noticed...

    Can the service valves be overhauled? I noticed on one of the service valves there was a snap ring. I guess If i removed it I could turn the valve all the way out. I imagining there are some seals...
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    Is the green slime a corrosion of Copper (green)...

    Is the green slime a corrosion of Copper (green) with maybe acids in the system. Also the bad smell could be burnt refrigerant (phosgene)?
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    I think there was a post I saw where some *******...

    I think there was a post I saw where some ******* put nylog right on the schrader valve. The valve had a black gum in it like a plug. The video from the company website shows a guy placing the...
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    Leaking service Valves

    Can service Valve caps hold back gas if the valve is leaking. I notice on some systems removing the cap you might hear a little hiss like gas is behind there. It's not regular air because if you...
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    The blue is compatible with all oils?

    The blue is compatible with all oils?
  10. Tech Other than that maybe some tickets to...

    Tech

    Other than that maybe some tickets to some HVAC expo where they advertise new tech/products. It might be a plane ticket + reg ticket.
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    Nylog Red v.s. Blue

    I'm mixed about which one to use for where.

    The Red is supposed to be used for older R-22 systems or order that are using mineral oil? How about R-22 systems that are using POE?

    The Blue is...
  12. Maybe some training courses for GeoThermal. It...

    Maybe some training courses for GeoThermal. It can work both ways. You certify them then they continue to work for you (more money).
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    His setup is nice and his equipment is...

    His setup is nice and his equipment is practically new. Two things I didn't understand though.

    1. Why did he pull down to around 200 microns. I was told oil boils at that point? Unless there...
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    How would you make it leak free?

    How would you make it leak free?
  15. Replies
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    366

    Using Manifold Gauges within a Vacuum

    I was looking at a some information a while back that indicated most manifold gauges leak when placed inline with a vacuum pump. In most situations I have them inline while vacuuming down a system,...
  16. I just called CPS they indicated that you hold...

    I just called CPS they indicated that you hold down both the Power and center button (button in the middle of the 3) while the device is off. It is supposed to trigger the APO on/off.
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    I'm just assuming that system has a low pressure...

    I'm just assuming that system has a low pressure cut off. The entire unit shouldn't run if the charge blew out. I'm surprised the pipes didn't crack and burst from the tramma. So the compressor is...
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    Is this superior to the handheld (inline) micron...

    Is this superior to the handheld (inline) micron gauges.
  19. Replies
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    374

    How accurate does a vaccum need to be, you just...

    How accurate does a vaccum need to be, you just need to pull down to 500 microns or so? Was this pretty much 1970's tech?
  20. I know this thread is old, but did you find out...

    I know this thread is old, but did you find out how to do this?
  21. Replies
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    What is a Thermistor Vacuum Gauge?

    I saw this in a Pawn shop just today.

    http://www.ebay.com/itm/Robinair-14830A-Thermistor-Vacuum-Gauge-w-Hose-Used-Free-Shipping-/291349395496

    It was in new condition with the manual and...
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    How about this Trane ...

    How about this Trane

    https://www.youtube.com/watch?v=oWZ1avejjXw
  23. Replies
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    424

    What does the Trane Logo mean?

    I've always seen the logo and think it looks very technical, possibly some diagram or something based on a invention by Trane. I understand Trane is a person's name. Is the Logo related to Heat...
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    How long does it last in general, before you had...

    How long does it last in general, before you had to change the diode? Also i imagine the diode wears while in use, not just sitting around.
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    H-10G Leak Detector

    I was watching a few youtube videos of a guy who swears by this detector.

    https://www.youtube.com/watch?v=OVjAxxfSxPg

    https://www.youtube.com/watch?v=cKQiQYTEhtA (T&N Services LLC)

    It not...
  26. After I posted this forum I was thinking about...

    After I posted this forum I was thinking about this and based on this check method it's simply saying this......

    The heat pump adds 110 degrees of heat to any outdoor ambient temp and transfers it...
  27. I don't really remember my return temp. I did...

    I don't really remember my return temp. I did check it and I believe I was getting 106 at return and 66 or so at the supply.
  28. "Hot Gas Method" for heat pump check/charging in the winter

    I read somewhere you could check heat pump charge (ballpark) by the following...

    Discharge line temp + OA (Outdoor Ambient) = 110 + OA (+- 5 degrees)

    I did a quick check on this and on a 54...
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    So I just contacted Goss to get more info. ...

    So I just contacted Goss to get more info.

    BA-3 = 1/4" to 1/2"
    BA-4 = 1/2" - 1"
    BA-5 = 1" - 1.5"

    BA-10a = .5 - 1" (The tech told me this torch swirls the flame and it has a stainless steel...
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    303

    Goss v.s. Turbo (Tip sizes)

    I'm having confusion between tip sizes. I've been using mainly air acetylene brazing. Someone gave me a GOSS AA-1 with a BA-3 tip. It seems the tip is large enough to do the 7/8 liquid but it...
  31. What is the difference between a two stage and...

    What is the difference between a two stage and single stage pump?
  32. Replies
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    Vacuum pump CFM, does it matter?

    I was talking to someone that the CFM really relates to how fast it pumps the system down. Most technicians choose higher CFM pumps so that it trims the time they are with each customer. I'm...
  33. I think I'm going to pass on it. I need a good...

    I think I'm going to pass on it. I need a good pump that I know works, not something I'm going to have to tinker with. The price looks tempting, but I"m going to let it pass.
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    Goss Air/Acetylene

    I just picked myself up an Acetylene "B" tank. It came with a Goss regulator and Goss AA-1 Handle (screw in type) and BA-3 Tip. I believe BA-3 is going to be too small for HVAC linesets. I was...
  35. Possible Broken Robinair Cooltech Vacuum Pump

    I saw this at a pawn shop around my area. The shop originally wanted 125, but we noticed the oil was overfilled and when we drained and turned the unit on it only pulled down 640 microns on my...
  36. Replies
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    I do know about the "thermal paste" situation. I...

    I do know about the "thermal paste" situation. I remember many technicians using wet rags for heat controll. Is there a chart or guidelines regarding tips and pipe diameters? Are tips...
  37. Replies
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    Thanks, What is the difference between the B...

    Thanks,

    What is the difference between the B tank and MC tank? Also I do see a lot of videos of people brazing with just straight acetylene. What type of tips do beginners typically get? What's...
  38. Replies
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    Begenners Brazing kit

    Just want to get some opnions on what type of brazing set is good and types of gasses.

    I see some people use just straight acetylene v.s. oxy-acetylene. I was reading that it's better because...
  39. Replies
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    Assuming the leak is in the coil, the tech was...

    Assuming the leak is in the coil, the tech was indicating they have to order the coil from trane, and they may not have it. He was indicated it would be better to replace the whole system (quoted me...
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    The air handler is a Trane that is from 2005, but...

    The air handler is a Trane that is from 2005, but the outside heat pump and coil is from 1998. I couldn't get a model number from the coil. The outdoor heatpump is a XE 1000 3.5 ton. Yes the rust...
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    System Leak

    So I turned my A/C on (for the first time). I was getting coil freezing (evap). I knew because when I took the cover off from the unit the entire coil was a block of ice. I defrosted it and...
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    I identified the high/low side. The service...

    I identified the high/low side. The service ports are there. I opened up the high and I can see the needle right in front. But on the low (either the needle is not there or it's too deep. I can't...
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    Can't find Schrader valve stem

    I have a set of gauges. I went to take the cover off my condenser unit and put the high side on. My gauge registered. I took the cap off the low side and didn't see any Schrader valve stem. I put...
  44. What type of Thermometers do you guys use when doing superheat calc.

    You know when you are taking the temp of the suction line and indoor/outdoor dry bulb temp. Are non-contact therm ok? I was looking at these.
    ...
  45. That's good to know. The furnace is a different...

    That's good to know. The furnace is a different matter.

    It's a Lennox G12. It was made in 75. Everytime I get someone to come to my house they want to replace it with a furnace that matches up...
  46. Thanks this is very informative. Why would the...

    Thanks this is very informative.

    Why would the evap coil be .5 tons oversized. Is this normal?
  47. What is the tonnage and Sheer for a Lennox HS26-261-1P condenser unit?

    I believe the unit its about 5 years old or so. The model is HS26-261-1P. The evaporator coil is C22-31-TXV-2. I believe they were both replaced at the same time.
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    So what is the correct method.

    So what is the correct method.
  49. Replies
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    Picking the right CFM for your A/C

    I had a contractor come to the house. I have an old house built in 1974. The ductwork is not the top design. It's a small house roughly 1400 sq ft. One of the major problem is the upstairs is not...
  50. Is it possible to calculate the CFM of a blower motor?

    I have a old furnace. The blower motor had been changed. I can see the RPM of the motor but I also think it depends on the size and diameter of the cage portion. Is there a formula for caluclating...
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