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Thanks everyone, there's some good information here! I can use some of this information as direct sources or references.

Can anyone recommend a good education tool or tools for hand tool use and care? Teaching brand new students hand tool use is somewhat a never ending job, and I would like to provide some good...

Good Point... this accumulator is a the commercial style with internal oil pickup provided by the u-bend.

Hey Dow, sorry for the no-reply.
The system is a large dehumidifier, running a frosting evap with a defrost cycle. The EPR seems to be set to not allow the circuit to drop to far below freezing, it...

I see what your saying Dow, I guess I was one a one track thought pattern when I posted that. I had certain piping plan for a specific machine, and I was beginning to question the plan. Your...

Would you say it is more typical to place the EPR before or after the accumulator, if both components are used on a circuit?

Any particular reasons to place them one way or the other?

Thanks Phase.

Can anyone recommend software to plot Mollier (or Pressure-Enthalpy or Pressure-Heat) Charts? Freeware is great, but even professional software would be fine.

Thanks for your help!

TR

I recently just swappedd out a a Jack Evans for a Sporlan HGV. I can't remember the Sporlan# off hand, but the piping stubs lined up almost exactly, it was a fairly simply swap.....except the...

Does the term Pressure Limit vs Pressure Control mean anything to you guys? Penn says to install a Pressure Limit switch if the failure of the switch has expensive consequences. I guess a simple...

Thanks guys!

Will Uniweld Cap'n Hook tips attach to a victor medium duty style handle, or do I need a uniweld handle? Thanks!

Does anyone have an electronic copy of the instructions for the Yellow Jacket 60331 Bender? I'm hoping it has a chart describing how to calculate bendings radius and total length of a bend.
...

I am interested in this meter too, as well as the Reed ST-5500, as they seem to be identical copies of each other. Any feedback anyone has on either model would be appreciated.

After finding out about special Bonney sockets to tighten packing gland on this site, I purchased the few available from a supplier, who seems to have the last available supply. Someone else...

I will add:
8 point sockets, 1/4" - 1/2", at least 3/8 drive

Well today I spent an hour running around to find a 1-3/8" socket to remove the oil drain plugs on 4 copeland semi's on a rack. Of course the only socket available was 3/4 drive, so I had to buy an...

Controls Inc? Thats the retailers name? Do you have a website?

Excellent info, thanks Jim.

Does anyone have any experience with either the Testo 506-3 or the 510? Any preferences, or suggestions on which is more usefull?
My main use will be taking gas pressure reading, with a secondary...

Hello all, I'm looking for a specific amp attachment for my meter. Its a small amp probe (not the brand) that plugs into your VOM, that measures amperage, the great part it that it's only about the...

Does anyone have any experience on the Cooper Atkins SRH77? It seems to be an upgrade to the SH66A, the red one everyone seems to have or had. Apparently the 77 does relative humidity as well. Has...

I saw a neat tool that some might like. It was a special tool to install threaded inserts into a hole drill through a piece of sheet metal or plate. Very handy for those wierd situations we get...

Hello All, some here have spoken about the "Big House" and "Jailhouse" tool bags from Duluth trading. I realize some have posted pictures of these bags, but I don't seem able to access these pics. ...

I'm looking at spending a little money on some light install tools. I'm pretty much strictly service, but between the odd small install, and some renovations around home, it's time for some power...

Hello all, apprentice interested in whats available job wise in Eastern Ontario. Really interested in boilers and chillers. Commercial experience. Anybody looking for a good young apprentice, with...

Does anyone have a list of tools that the typical resi/ light commercial gas fitter would provide. Even a boiler, or industrial job tool list would be great. Just wondering what most guys are...

Your superheat seems high to me, but I don't have a good arguement why. I am enjoying this discussion though. I signed on with a large commercial company 3 months ago, and learning these market...

Nope, always (so far at least, for all that's worth) off of power wherever I'm working.
We use them for cutting off bearings, sometimes cutting unistrut or threaded rod, if a chop saw is not...

Looking to pick up a 4 1/2" grinder for the truck. A dewalt 7A on sale right now, would that work out OK, or do I need the heavy weight 10A one? Any suggestions?

Thanks for the explaination. It seems to be code up here that the neutral side of the transformer is grounded, and all loads connect to the common of the transformer, and are grounded. I'm going to...

Glad you solved it. Seeing as I live in the Great White North, would someone perhaps explain what was happening here, so I can understand the impact of grounding one side of the transformer?

What kind of digital stat did you install? Does the stat 'click' repeatedly before the contactor opens?

Anyone have experience? Two guys at work have them, and they seem very nice, appropriately CAT rated. I wonder who makes them for Greenlee?Anyone have any insight, warnings, or any kind of...

Hello All. Questions from a rookiee here. I have recently started learning commercial/industrial from residential. Resi, I had 410a and R-22 gauge sets, each with low loss fittings. Now, I work...

Thanks for all the tips guys, I appreciate the help, and would love any more!

Thanks k-fridge

Hello all, 1 Year Resi tech switching to commercial HVAC & refrigeration. Will be doing ice machines, walk-ins, supermarkets, etc.

My questions are about gauges and refrigerant/oil combinations. ...

Rothenberger, never done hard, don't know if it would work. Does a fantastic job on soft copper. Can't be beat for speed, and it's like having a fitting machine on site.

Anyone use this? Just saw one, and the price...cheaper then the Bosche's, and with impact drive. Any thoughts?

Has anyone used Craftsman hole saws? The kit looks identical to the Milwaukee 13pc set. Anyone have any success with these?

Loved my cats. Will be going back to them next time.

Hello all, I'm looking for a small torch to use when changing out a hot water tank, or similar job. Maybe small renovations at home. Definitely not for brazing or soldering refrigerant lines. Key...

Thanks HeyBob, I guess I know em as flare wrenches. Thanks for the clarification.

Sorry guys, but what is a line wrench? Please excuse my ignorance, perhaps I know it by another name.

Anyone use one? Are they worth the investment? I've never seen one used, but they seem like a great idea, if they work. It claims to work on masonary bits, HSS, and most other twist bits. Anyway,...

Any success or horror stories with these, or a similar style of bender?...

Is this something that should be used with BX? Does it do a better job? Same question for a proper pair of cable cutters, currently I just use me linesmans pliers. Do proper cable cutters make a...

How do you guys go about cleaning those small fireplace fans? The ones I run accross are not removable from the motor, so soaking/washing the squirrel cage is out of the question.

I've been using a Fluke 16, how is everyone finding the new 116? Worth the upgrade, or should I hold off until my 16 breaks (more like I break my 16). Anyway, any experiences would be great.