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Type: Posts; User: hvaceric

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  1. Replies
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    Smith Equipment Quickbraze little torch.

    Smith Equipment Quickbraze little torch.
  2. OP, check out the Cooper-Atkins MFM300. There is...

    OP, check out the Cooper-Atkins MFM300. There is a review of it around here somewhere. I recently got one and it's pretty much everything you want, as I have been looking for a similar tool. I...
  3. Replies
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    10,865

    A small piece of foil tape works great on the...

    A small piece of foil tape works great on the battery door.

    I like the 605 from Testo, but it was too easy to loose or forget. So I got the Cooper MFM300KIT-1 a couple of months ago, really like...
  4. Replies
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    59,102

    FYI, DC's are thermistor sensors. The wire was...

    FYI, DC's are thermistor sensors. The wire was pretty weak on several different iterations of the sensors. But the newest wire seems to be very durable. Most guys that are customizing them are...
  5. Replies
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    Side by side, in clean conditions, they will...

    Side by side, in clean conditions, they will perform virtually the same. The thermocouple is much more susceptible to outside interference however, meaning electrical currents and RF transmissions. ...
  6. Has anyone tried the Cooper-Atkins MFM300 on...

    Has anyone tried the Cooper-Atkins MFM300 on critically charged systems?
    I tend to use temperature first before getting a set of gauges out of the truck, and don't work on much real small stuff, so...
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    Haven't tried any of the tactical pants yet. I...

    Haven't tried any of the tactical pants yet.
    I have one pair of the fire hose pants from Duluth Trading, the cargo work with kneepad pockets, they are ok but their kneepad inserts are lousy and...
  8. Replies
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    5,782

    Be very careful when using the k-type probes,...

    Be very careful when using the k-type probes, they can easily give you false readings with very little outside interference. The probes on the testo and Digi-Cool products are thermistor's,...
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    You ever notice that most of those awards are...

    You ever notice that most of those awards are given out to the company's products that advertise in the publications that give out the awards?
  10. Replies
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    I sit corrected, I took mine apart to look at it...

    I sit corrected, I took mine apart to look at it and apparently the center valve on the Kwik-Charger does have some kind of a stem seal. That is the first Imperial valve I have had apart that did...
  11. Replies
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    2,891

    You can splice the clamps onto the AK900 plug,...

    You can splice the clamps onto the AK900 plug, the sensors are the same. The only difference on the temp sensors between the older units and the AK900 is the PLUG/SOCKET at the unit.
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    Yes, the large nut can cause that. The Imperial...

    Yes, the large nut can cause that. The Imperial manifolds use a diaphragm style valve, so there is not supposed to be any refrigerant contacting the stem, the large nut seals the outer ring of the...
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    1,888

    Tighten down the big nut right behind the handle...

    Tighten down the big nut right behind the handle and see if that fixes the problem. Don't have time to explain it right now.
  14. Replies
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    1,888

    If it's coming from around the valve just get a...

    If it's coming from around the valve just get a big wrench and tighten the valve assembly back into the body. They can be worked loose by back seating the valve too hard. I have done it a couple...
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    1,888

    Define leaking?

    Define leaking?
  16. Replies
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    At this time there are no plans to include the...

    At this time there are no plans to include the stretchy velcro sensors with the AK900, they will be an accessory only.
    Also no plans at this time to make these with the old plug style either.
  17. Replies
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    To clarify, there is a two valve, ball valve...

    To clarify, there is a two valve, ball valve style, manifold that comes with the AK900, this is not the Paradigm manifold that has been in the works for the past several years, and it is currently...
  18. Replies
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    So essentially you raised the pressures to where...

    So essentially you raised the pressures to where you thought they should be for a given outdoor temperature by limiting the airflow on the condenser?
    How does that enable an accurate check of the...
  19. Replies
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    59,102

    The boards are very different between 1250 and...

    The boards are very different between 1250 and 900. Both however can tell if a sensor is hooked up and display the appropriate options on the screen based on what is hooked up.

    One problem you...
  20. Replies
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    59,102

    The wires are colored like the silicone, but are...

    The wires are colored like the silicone, but are a much stiffer insulation on the stock sensors.
    The wire on the stretchy velcro sensors is even tougher, it has a two wire insulated internal and...
  21. Replies
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    59,102

    Yeah, I hear ya on the manifold, it's looking...

    Yeah, I hear ya on the manifold, it's looking much better for that project though. The middle valves have been redesigned, so I have high hopes that the new version will be out as soon as testing is...
  22. Replies
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    Don't know. But with the low price on the AK900,...

    Don't know. But with the low price on the AK900, I doubt it.

    Sounds like a great idea to try, this stuff is actually a cross between velcro and elastic, the back of the stretchy part sticks...
  23. Replies
    558
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    59,102

    The plugs are different between the...

    The plugs are different between the 1200/1250/1600 and the 900.
  24. Replies
    558
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    59,102

    Guessing by April. Pricing has not been...

    Guessing by April. Pricing has not been addressed yet, Brenda is thinking $75-100
  25. Replies
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    59,102

    They are hooked to an AK900. The sensors will...

    They are hooked to an AK900.
    The sensors will work work with any DC product, the included plug will only work with the AK900.
  26. Replies
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    Do a comparison of your "hood" and a multi point...

    Do a comparison of your "hood" and a multi point traverse using the AK factor and compare the results, the traverse will yield higher air volume.
  27. Replies
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    New stretchy velcro temp clamps for the AK900. I...

    New stretchy velcro temp clamps for the AK900.
    I think they will work quite well.
    These are only samples, don't know yet when they will be available.
  28. Replies
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    Multi point traverse method using the AK factor...

    Multi point traverse method using the AK factor of the grille for sq". Here is a good thread on the subject, read the stuff GF posted, http://hvac-talk.com/vbb/showthread.php?t=127498

    If you do...
  29. Replies
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    I don't have the numbers in front of me, I'm in...

    I don't have the numbers in front of me, I'm in Chicago at AHR so I'll have to try and remember to get them looked up next week.
  30. Replies
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    The tube that goes from the combustion intake to...

    The tube that goes from the combustion intake to the gas valve is to provide an atmospheric reference to the regulator in the gas valve, which will slightly alter the gas pressure based on changes in...
  31. Replies
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    Correct, combustion efficiency and AFUE are two...

    Correct, combustion efficiency and AFUE are two very different things, and should not be confused. They do not however account for air/heat energy continuously lost up the draft hood, only for what...
  32. Replies
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    Are you disconnecting and blocking the tube to...

    Are you disconnecting and blocking the tube to the gas valve or leaving it open to get it to light?
  33. Replies
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    Is the customer asking about equipment efficiency...

    Is the customer asking about equipment efficiency or system efficiency? They are two very distinct things.
    Measuring at the duct outlets and inlets will give you total system efficiency.
  34. Replies
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    Best place on-line is TruTech Tools.

    Best place on-line is TruTech Tools.
  35. Replies
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    In that case I think you might enjoy the BluVac,...

    In that case I think you might enjoy the BluVac, it's response time can show a whole lot in a shorter amount of time with greater repeatable accuracy and resolution, especially with a large system it...
  36. Replies
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    59,102

    X2 on that! Don't have 3 years to wait for an...

    X2 on that! Don't have 3 years to wait for an evacuation to be complete.

    Best manifold I have found is the Imperial 4-valve, 3+ years with no problems. I add a front hose park and they work very...
  37. Replies
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    So you take the gauge off and put it back on the...

    So you take the gauge off and put it back on the same spot 24 hours later?
    What size system?
    What about calibration? That can change a lot with temperature.
    I have had my TE change the reading by...
  38. Replies
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    Comparing the two side by side the BluVac:...

    Comparing the two side by side the BluVac:
    Registers much faster to changes and at a far better resolution (.1 micron for the original, 1 micron for the LTE).
    Speed is not compromised by cold...
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    After using the TE for several years, and then...

    After using the TE for several years, and then getting a chance to use the BluVac, I will never again trust a TE micron gauge.
  40. Thread: manometers

    by hvaceric
    Replies
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    2,358

    I really like the Testo 510 for general use, gas...

    I really like the Testo 510 for general use, gas pressure, static pressure, room de-pressurization, etc.
    I also carry a simple Yellow Jacket water tube manometer, it's used for special times when I...
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    BluVac!!!!!!!!

    BluVac!!!!!!!!
  42. Replies
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    As posted before, everyone should be.........but...

    As posted before, everyone should be.........but a lot don't purge or use a micron gauge. Even fewer use a micron gauge properly, which leads us to high failure rates of several vital system...
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    What some people think during installation about...

    What some people think during installation about airflow is beyond me.

    Gotta love the trap after the vent......not to mention the vent stack that will guarantee water running through the furnace...
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    Just because the circuit being worked on is dead...

    Just because the circuit being worked on is dead doesn't mean the rest of the box is, if that were the case there would be no need for insulated tools. If the box/feeding transformer are of the...
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    Any changes on the WB sensor when the thermistors...

    Any changes on the WB sensor when the thermistors come out?
  46. Replies
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    1,620

    I want longer insulated drivers, keeps my hands...

    I want longer insulated drivers, keeps my hands away from the live stuff.

    If you are working on 460, I recommend looking into some appropriate arc flash gear as well. Get a class on arc flash...
  47. Replies
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    Great price, but if I'm going wireless I want...

    Great price, but if I'm going wireless I want thermistor sensors.
  48. Replies
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    Take out the limit and inspect the crimp rings...

    Take out the limit and inspect the crimp rings around it very carefully through the limit hole, they will crack and dump hot flue gas out on to the limit. This may never show up during a combustion...
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    Where did you find that? That's dirt cheap for...

    Where did you find that? That's dirt cheap for wireless!
  50. Replies
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    Can't wait for the smashing to begin!!

    Can't wait for the smashing to begin!!
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