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During my first interview with a commercial service company I literally had to take a 50-100 point written exam. Questions ranged from anything like others have listed, to me having to fill in a...

The story around here about the stink bugs was this... (Whether or not true???) The bugs were brought over from Asia or wherever to take care of the lady bug problem we had a few years back. Now,...

Our area is one of the worst affected it seems. On the same roof, I had two RTU's that were completely infested. Same problem on both units. The darn things got in behind the coils of the indoor...

We do (Steelers) always have a lot of problems with the Pats. I don't think they're that much better than we are. Either way, we're not going to be able to turn the ball over and the special teams...

I am going to be doing a field comparison between the Tif ZX, a Fieldpiece SRL2K7, and possibly an Inficon D-tek Select. I'm a tech just like everyone in here and not affiliated with any vendors or...

Wow, this thread really took off recently, lol. Since I made the thread and haven't posted anything back since, here are my thoughts on the ZX...

I like this detector and got a pretty good...

The way I understand things, if you have a type 1 certification, you are certified to use any refrigerant including R404a. You have to watch out though because the type 1 only covers small...

We were always taught that there must be a diconnect within sight of the outdoor unit. That might be local code, but I thought it was national code.

If you don't end up finding it,

http://www.amazon.com/Institute-Section-Certification-Preparatory-Manual/dp/1930044003/ref=sr_1_3?ie=UTF8&s=books&qid=1283884072&sr=8-3

This is the book I used....

I agree. I have done it on the tree as well, but this seems to cause fluctuations when I valve off the pump. Plus, I do not want to allow all of my connections an oportunity to leak while holding a...

Fast cars and heavy metal music.

Also, I did not cope with stress real well and was recommended Yoga. I know it sounds gay, but believe it or not, it honestly helps.

I use the one on the far right with a YJ 6 cfm pump and 2 core remover tools. I've tried my micron gauge just about everywhere I could and the easiest seems to be the port on the tree. I break with...

I have a 971 and it's the best I've ever used. I find it surprising that someone said it was slow to respond. Mine responds very quickly. I was amazed when comparing it to a few other less...

Honestly, a coworker and myself were talking about digital guages the other day. Is that really something a rookie should have? Or should he learn how to go oldschool with analogues and...

I don't have half the experience of many of you, but I actually use NRP low loss fittings and YJ ball valves. I trust the ball valves a lot more. I read somewhere that someone didn't recommend...

This is a very difficult one. He's just trying to make a living. Then again, he's trying to make a living at the expense of someone else trying to make a living. I have a few years under my belt,...

Unfortunately we don't see many 100 degree days in Pittsburgh, but it never gets too hot for me. All my coworkers complain when they have to work in the 90 degree weather. I'm just the opposite. ...

I'm working on this myself. In the business already and still in school. I think I know the answer to the question though.

We learned about these in school, but I can honestly say I've never seen one or had to deal with this.

I was going to say, his condensing temp is right around ambient (188 psi R22= 96*F). Subcooling 10 degrees below ambient? What kind of amperage was the compressor drawing?

I have a cheap digital Supco manometer. It does the job, but is rediculously large in size. I wanted to go with a 510, but I needed a new one quickly and only had one choice for digital.

For a...

I just got a new YJ SuperEvac 6 CFM pump. I do a lot of RTU's and was very impressed with the new pump. It is a little pricey at around $400, but I didn't really like the quality of some of the...

I sent you an email earlier. Very interested in the YJ recovery unit. I'd like some pics too.

Hey guys

I just purchased a Tif ZX-1 leak detector from my supply house because it was on special. They got one in for me and I took it home only to realize that it's the Tif ZX model. I looked...

I was considering purchasing one of these. Looks like I may want to hold off or look somewhere else.