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  1. Replies
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    I haven't started using Stay-Brite. I use ace-oxy...

    I haven't started using Stay-Brite. I use ace-oxy and braze traditionally now. If I do switch, then I will use MAP gas. My question is if there is another alternative to traditional brazing other...
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    Stay-Brite 8 Alternatives

    I have searched this forum and read many, many posts on Stay-Brite 8. The focus on this post is different. What viable alternatives are there to brazing (traditional with oxy-acel) in R-22 are...
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    Thanks Wayne. I brought the old liquid line...

    Thanks Wayne. I brought the old liquid line dryer with me for am acid test. I agree not the best sample. I was going to use something like Acid Away, but it forms water. So hopefully, this will be...
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    Thanks for the replies. It 's a 2.5 ton straight...

    Thanks for the replies. It 's a 2.5 ton straight air.

    I ended up putting a Emerson Liquid Line Dryer and a Emerson Suction Line Dryer. There was no suction line dryer earlier. Compressor ran...
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    Liquid Line Dryer Blockage

    I was working on a unit that had a constriction (blockage) in the liquid line dryer. The compressor doesn't seem to be damaged. I will open the system and install a liquid line dryer. I will be...
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    In-Line Fuse Size?

    I need to place an in-line fuse for a blower relay. The unit is a 240 volt (electric heat) split system. Normally, I use a 3 amp fuse for this. However, I bought a “Lil Popper” fuse that I can’t...
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    Thanks for the replies. I apologize for the...

    Thanks for the replies. I apologize for the delay. With electric heat, I noticed some issues with some of the less expensive thermostats.

    I tried the Honeywell Focus Pro 5000- bought three. It...
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    Which Thermostat?

    I have been using inexpensive thermostats for some time without issues. It looks like my luck is running out and I need a thermostat to stock in my truck.

    Do you know of a thermostat that has the...
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    I appreciate your response. I am sorry for the...

    I appreciate your response. I am sorry for the delay in my reply. I don't have the model number and re-visiting the customer's home to get that, will take time. If we just go with what we have,...
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    Heat Pump & Furnace Inst

    I installed a gas furnace for a customer 6 months ago. The customer has been using window AC units for AC. Now, they would like an electric heat pump system instead. The customer does not want to...
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    521

    I appreciate your time Prushin :o. I am a little...

    I appreciate your time Prushin :o. I am a little unclear. If I use the vacuum hose on the Mighty Pump on a regular drain line, it will pull air from the roof's vent stack- and out through the pump....
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    521

    Mightier Mighty Pump?

    This may be a weird question. I wanted to ask if the Mighty Pump can be used for other purposes such as removing a clog in a regular drain line. I really don't see why not.

    I was thinking...
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    I couldn't find the screens for the condenser...

    I couldn't find the screens for the condenser units. Do you have a link for it or a product number at Johnstone?
  14. Thread: dryer core..

    by jjrr007
    Replies
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    719

    I agree in general- there is no difference. ...

    I agree in general- there is no difference. However, a suction line drier core could be considered a filter drier core and it is slightly different than a liquid drier core. Both have similar...
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    Endless Condenser Coil Cleanings?

    Every summer (and sometimes more often), I clean the coils on many apartments. Also, I ensure that the target and actual superheat are in-line, ensure the filter and blower are clean etc.

    The...
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    I have an acyletane and oxygen torch. It works...

    I have an acyletane and oxygen torch. It works well. However, I think that we should keep an open mind on these things. If MAPP or this turbo torch work well, for residential uses- why not use it....
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    If MAPP is hotter, it sounds like a good back up...

    If MAPP is hotter, it sounds like a good back up for the regular Aceyletan & Oxygen tank torches. I agree Dr. Z should not have tested the "can torch" in his car :eek2:
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    :eek2: wonder why he endorsed it

    :eek2: wonder why he endorsed it
  19. Replies
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    Is the MAPP Gas torch similar to this product (in...

    Is the MAPP Gas torch similar to this product (in a can, same gas, etc)?
  20. For a fourteen year old system any repair that...

    For a fourteen year old system any repair that costs around a $$$$$ or more, I would replace the system. It sounds like it has been running with low refrigerant for some time. If so, other things...
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    The link I previously posted was for mobile...

    The link I previously posted was for mobile phones/devices. The link below is for regular computers:

    http://www.youtube.com/watch?v=y-RnjI03Khw

    The link above is Dr Zarloff's review on the...
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    Ultimate Propane Blend

    Has anyone tried the Ultimate Propane Blend? It was reviewed by Dr Zarkloff:

    http://m.youtube.com/index?desktop_uri=%2F&gl=US#/watch?v=y-RnjI03Khw

    He gave it a positve review. It is used for...
  23. Replies
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    3,045

    Thanks. That's what I wanted to know if it can...

    Thanks. That's what I wanted to know if it can be used as a dual capacitor for the fan and compressor.

    So if my dual capacitor is bad, I can't use this. It doesn't seem very valuable to me...
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    Turbo Capacitor

    I recently bought the Turbo Mini 200 capacitor. It's really nice as it works as several different capacitors in one (with different MFDs). Its a smaller version thats good for blowers.

    However,...
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    You have a nice idea. Sometimes, I just hold one...

    You have a nice idea. Sometimes, I just hold one probe to the case and test with the other. I could clip it on instead of holding the probe to the case. Yes, the probes are in good shape, but it...
  26. Thread: clamp meters

    by jjrr007
    Replies
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    1,585

    I would recommend the Field Piece HS 36 to anyone...

    I would recommend the Field Piece HS 36 to anyone in the HVAC industry. It has many features that other multimeters do not have: free ammeter, non contact voltage indicator, Mfm for capacitors, test...
  27. Replies
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    The non contact voltage indicator works for me...

    The non contact voltage indicator works for me then for "attic situations" or if I can't get my leads to quickly test the voltage to the blower. It can detect the voltage as a quick test.

    I have...
  28. Replies
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    Honestly, the situation I described in the attic...

    Honestly, the situation I described in the attic (a few posts below) shook me a bit. When the electrcity arced between my leads, it narrowly missed my hand and my latern fell through the ceiling. I...
  29. Replies
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    2,243

    Yes, wouldnt work with open windings. There has...

    Yes, wouldnt work with open windings. There has to be a flow of electricity.
  30. Replies
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    It seems like a pretty good and quick initial...

    It seems like a pretty good and quick initial test then. From we discussed, it just will not work if the blower is completely grounded. I wonder why more techs don't use this test more often as an...
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    So far, the only situation I can think of that...

    So far, the only situation I can think of that this wouldn't work is if the blower is over heated. What other situations can you think of (this technique would not work)? Would the amperage be...
  32. Replies
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    I agree. It's not the best test. Sometimes,...

    I agree. It's not the best test. Sometimes, testing the voltage to the blower can involve testing the voltage in spots that are hard to get your leads in.

    Recently, I was testing voltage on a...
  33. Replies
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    Interesting. ZeroTolerance. Other than a...

    Interesting. ZeroTolerance. Other than a situation of the blower being over heated, do you think this an OK (would work) way to test if the blower is getting electricity?
  34. Replies
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    Thanks Timebuilder. You answered my question...

    Thanks Timebuilder. You answered my question earlier. If the blower is locked (or not responding), then I would not measure amps. I forgot about this. Amps can be measured when testing under a...
  35. Replies
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    JPSmith, Your point is well made. I am clear...

    JPSmith,

    Your point is well made. I am clear that my original post could have been more exact. The question itself is clear and all of the information needed to answer it was present:




    I...
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    Thanks. I see ur point about it not being a good...

    Thanks. I see ur point about it not being a good test.
  37. Replies
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    2,243

    I will consider getting a Pro Membership. ...

    I will consider getting a Pro Membership. Thanks. From reviewing the thread, the only thing that was off was when I said positive. However, I am just trying to see if this method would work. The...
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    Thanks ZeroTolerance; tt's nice to hear that this...

    Thanks ZeroTolerance; tt's nice to hear that this method should work. I agree Ed Janowiak that it may only be there for a short time.

    Yes, I work in the industry and have been for some time :( I...
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    Do you not see the benefit of testing the system...

    Do you not see the benefit of testing the system this way? Don't you think this should work...
  40. Replies
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    Faster Blower Testing With Ammeter

    On some HVAC units, the blower wires connect to the back of the transformer (on older units). For this set-up and a few others, it is somewhat time consuming to test the voltage going to the blower....
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    Double Manifold For Vacuum?

    I normally use a T with my vacuum pump. However, the T broke (don't ask me how:). So I was wondering if I can use my two way (double) manifold insead for the vacuum. I am not sure if I can get low...
  42. Thread: Service Videos

    by jjrr007
    Replies
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    858

    I have found that many HVAC books are too long...

    I have found that many HVAC books are too long with not so useful (or even valuable) information. I like many of the materials by Prokub Media. They are sold at Johnstone and online.
  43. Replies
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    I haven't tried the appion tool yet, but from...

    I haven't tried the appion tool yet, but from other threads the tool doesn't have the same issues. I would try it after the liquid is removed from a system and then only use it on the high side as a...
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    Thanks for letting me know. I really need to...

    Thanks for letting me know. I really need to speed up my evacuation time and do a better job with evacuation.

    I like that it has two male (output) ports. I can use one for the vacuum port and...
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    Has anyone used the appion core removal tool in a...

    Has anyone used the appion core removal tool in a running (i.e. 150 PSI +) system? I dont want it to leak or break causing a hazardous condition.
  46. Replies
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    Thanks Yellowwirenut for your view on this. ...

    Thanks Yellowwirenut for your view on this.

    What I am thinking about doing is using the appion core removal tool on the low side and evacuating just from it. The core would be removed. So I am...
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    464

    Manifold Faster?

    When I evacuate a system, I follow the directions of my evacuation machine Promax Rg5410. I connect the high and low side lines to my manifold and the charge hose to the recovery machine.

    Would...
  48. Replies
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    Thanks. I was wondering just that. I thought...

    Thanks. I was wondering just that. I thought the tool had one male connector at 1/2 or 3/8. I knew that it had 1/4 male output- wasn't sur about the other..
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    Thanks. I should have been more clear. I mean-...

    Thanks. I should have been more clear. I mean- what are the sizes of the output ports for the regular 1/4 Appion Core Removal tool?
  50. Replies
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    Appion core removal tool

    I want to buy the appion core removal tool. Does anyone know what sizes are the ports on the tool?
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