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SC Commercial/Residential HVAC Qualifier Available (Yes, I Do Hold The License). (South Carolina currently has a reciprocity agreement with Georgia, Tennessee, Texas, and Utah for this license.)

It's beginning to be a Common (very bad) Problem in my area. As two people said above. 1. Replace the Line. 2. Acid leaches out of the concrete and will Eat the Copper.

In condo's here, they'll...

Can you say Kerosene? I'm unsure what lubricant is in it. Part of my Job used to be Research Patents... And MSDS for Info. I think it's Marvel Mystery Oil or Automatic Trans Fluid.

It was 240 questions. If you have More than 240 they are spec questions which will stop the clock. You have to Pass Business Law First.

https://www.epa.gov/sites/production/files/documents/Choosing_Right_R22_Retrofit.pdf

Mo99 is not listed but I think everything else is!

The sad fact of it is... You never know whats in the system Unless its a system you installed and serviced. I had a HO call me the other day "fishing". "So I've been told I can put 410a in my...

Send me a Price on your extra AK that you wouldn't have bought. ;)

I'm glad to see Doug is still in the game but I need some more knobs for some of the DigiCools I/we own. It's the Only Part...

I just have a Double ByPass 1/26/17. They pulled my catheter the 2nd day after surgery. Then I stopped peeing. In less than 24 hours they pulled mine and then put it back in. I can't tell you...

Well... I called and sent Doug a PM and the reply was not good.

I hate to pay close to $500.00 for a spare set of Ak's but I just might have to. I did order a set of spare clamp sensors and a...

So the Question is...?

Where is Doug and Brenda (Digicool)? Their site says Out of Stock on the new AK gauges. Since we're coming down the stretch on 2016 I normally buy tools ect. before the...

Back in the '70's a company I worked for used Mapp and Oxy... It Sucked. Slow as heck to get hot. We have Turbo's and Oxy Acetylene. No Mapp!

That's a Lot of air to suck through a louvered door.

Did you increase the size of the system when you changed it?

Here's another Thread on exactly the same problem from2011.
...

Guys... I hate to tell you but "that" is Not A Water Heater Stand. It's made for Air-Handlers, there is a Space for the filter. We use them in lots of condo's here in the South.

Take the...

I've replaced numerous OS Coil sensors It will flash Codes for this. (The units ran but wouldn't defrost.)

Low and High Pressure... Sounds like the TXV is sticking.

Call your distributor,...

I wish you were close to me... I'm looking for someone who knows the difference between a Wire Brush and a Core Tool.

Most of us are pretty "Stand Off" when a Guest jumps in and thinks he has equal say and also Boasts about how Great He Is. You "might" be a great technician but you Are Lacking Personal Skills.

OP the reason your Material says Flush is because it's a few years old. For years there was an argument on Flushing (and sometimes folks here will still say to Flush). To my knowledge there's no...

Pain? No, Payne!

JD, You Flunked READING COMPREHENSION 101.

JD, with all that being said... Can you explain how this is Not a DIY Question?

My newest "Helper" has suggest "Liquid Nails" in a couple situations... BBeerme you sure that's not Liquid Nails? :Faint:

OK... I'm Not Licensed in Electricity but taught Industrial Electricity. :grin2: Don't take the DIY so hard and no need to "Hate" on us. Not all of us are Electrical Hacks. We have 20 or 30 show...

Have you pulled the cover on the Evaporator and checked it? I had one that was being a PIA to find. What I did was pull the charge add a "trace" of R22 and pump it up with Nitrogen (after brazing...

In the past years we were contacted by a couple HWC's and ran 1 call. That was all it took. (Choice Home Warranty) If you go into it "blind" You Are Going To Loose (money, time and materials). ...

Yea... We've Beat this Horse to Death already. For the Nay-Sayers... Know what they put coils together with for the last 20 years? It wasn't 15%. :eek2:

I/we use 15% for 95% of everything but...

I had pulled a toilet today when the HO's (HOA) AC Contractor showed up for a PM. I started to joke with him that Toilets were paying more than PM's today (but didn't).

Plumbing doesn't pay as...

I've had Electrical Engineers that failed at Thermostat Installation 101. You're lucky you didn't blow the transformer.

:grin2: Oh my... Guess he didn't take Bomb Dismantling 101 either? :beat:

https://www.youtube.com/watch?v=Gc1URQgQWNo


The Solution!

Exactly. I had one tell me last week he could do a Change-out in 4 hours by himself. (He was trying to impress me for a job?) And 2 Hours with a Helper!! No Freakin Way (and I wouldn't trust...

This same stuff started back when R410a came out. "OMG If You Don't Replace The Line-set the Two Oils Will Turn Into.... Nothing". Flush the Line Set, No. Blow it with Nitrogen and turn the 410a...

:couch:

Looks like 9 Wire Nuts to me.

Well... I kinda disagree. If the system is Dry, the Results are Different. Pulled two new systems today to 480 and 320um (Yellow Jacket 69705 connected to the liquid line service connection). JB...

I didn't hear anything. Looks Cold to me.

Super Seal? In 5 years we've pumped it in maybe 4 systems. It sealed 2 out of 4 and killed the compressor in 2.

Talking to one of my Pals at the supply house he was using the New "AC Leak...

Video is too long. Couldn't stand more than about 20 seconds.

Somehow you've missed part of the story? I don't think so... So Copeland didn't cause this little problem with TXV's?

Well after 3 years with DigiCools... Where is Doug? I need a new set of knobs (and need to order some new sensors). Might just get another AK. I still keep my original DC 1600's on the truck. ...

Google "PT Chart". It will give you some answers about different "Freons".

Sorry Terry, I missed the problem. There's a reason why me are highly paid. Most all of us are multi-skilled and we work 365 days a year. Prices vary on locations and by different companies.
...

Gee Whiz... Some folks are Nuts. (to be nice)

One of my friends called me to talk about a Foreclosure he's buying last night. Already knowing that most all Foreclosures have DOA HVAC systems...

I've charged a bunch of AC units on botes.

And you're In the Business? Humm... No EPA License? Venting? You need to call a Licensed Pro.

We're missing some info (22 or 410a and how many Micron Vac you pulled) but I'll explain some of reasoning. Any idea how many systems we take out that Does Not Have A Drier? I'm going to say at...

The first one I bought 20 years ago was a couple hundred bucks. I still have it and it works but it's old and slow. Over the last 5 years I've bought 2 or 3 off ebay and they work better...

David, I read the 9:1 ratio. I added 3 ounces to one HP 2.5 Ton system and 2 ounces to the second one. So far today No Calls from either one (since Friday).

Mr. Bill I've searched and can't...

We have also see a Rash of TXV failures. Talking to one of my suppliers this week he told me that Copeland has admitted to adding a Rust Preventative to the oil in All their compressors and this...

It's Not Worth It.

Never use Gauges to pull a Vacuum. Every connection is a possible Leak and there's a Reason they are called "Charging" and "Vacuum" hoses. They are Different.

JC you can do it but you better have your Ducks in a Row.

1. Eliminate All the Debt You Can Before Making The Jump.
2. Get Your Contractor Licenses (and EPA) ASAP
3. Do you have any idea how...

I use the decimal weight. Example 1.549 lbs because it's easier to calculate the COST/CHARGE!

I'd say either a 25 or 30 and I'd vote for the 30/5 too. I keep 25's on my truck but haven't used one in a while.