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Next door neighbors kids decided to get high.

Originally Posted by sweat hog

Perhaps impuritys in the copper, There seem to be other blemishes that appear about the same shape and size.
Two holes may just be the start.
Would poor quality materials suprise anyone?.

Made in China. Surly you jest.

Perhaps impuritys in the copper, There seem to be other blemishes that appear about the same shape and size.
Two holes may just be the start.
Would poor quality materials suprise anyone?.

Originally Posted by Rodney28334

Yep had one line set going up 2 story wall and was hit 4 times by siding guys nails. Most of holes looked just like that, but I dont think yours was in a wall cavity. I hated it for homeowner, as house was new when a few tornadoes came though our area and he had to have his home resided and shingled. Put on gauges - system was completly empty and noticed new siding, told him he needed to give his contractor a call. He said "I have a year labor warranty through you dont I" I said yes sir but that covers OUR workmanship. After a few phone calls got authorization to fix it, had to tear out alot of drywall because they hit it so many times. A few days later he told me the the siding guy said he isnt responsible for replacing and painting the drywall I kindly explained to him I was in the HVAC business not drywall and for them to read my quote/contract and that IMHO the siding guy is on the hook for fixing wall but that he should have a talk with his insurer and builder and to show them the pics I took. Didnt hear back, so assume they took care of him, and siding guy giving him runaround but how hard is it to look at outside unit and see where the copper lines go into wall. House is on slab so line are run vertical and have to go up.

When running lines in the walls I always try for inside walls. Isn't always possable but worth the extra time and material if you can.

Originally Posted by lytning

Last time I saw that it was the siding guys, line set had enn run in the walls.

Yep had one line set going up 2 story wall and was hit 4 times by siding guys nails. Most of holes looked just like that, but I dont think yours was in a wall cavity. I hated it for homeowner, as house was new when a few tornadoes came though our area and he had to have his home resided and shingled. Put on gauges - system was completly empty and noticed new siding, told him he needed to give his contractor a call. He said "I have a year labor warranty through you dont I" I said yes sir but that covers OUR workmanship. After a few phone calls got authorization to fix it, had to tear out alot of drywall because they hit it so many times. A few days later he told me the the siding guy said he isnt responsible for replacing and painting the drywall I kindly explained to him I was in the HVAC business not drywall and for them to read my quote/contract and that IMHO the siding guy is on the hook for fixing wall but that he should have a talk with his insurer and builder and to show them the pics I took. Didnt hear back, so assume they took care of him, and siding guy giving him runaround but how hard is it to look at outside unit and see where the copper lines go into wall. House is on slab so line are run vertical and have to go up.

Who did they p-ss off?

A quote from Captain Jack Sparrow, "Apparently there's a leak" !
.

.

That hole is egg shaped. Do you have a pic of the second hole? Same line? In a bend?
..

L.L. looks wrinkeled in area also.

Last time I saw that it was the siding guys, line set had enn run in the walls.

After enlarging pic, What is the corrosion on the L.L. all about ? Any one else see this ? Looks like it has happened over time. Its kinda hard to clearly make out.

Perhaps the current from a nearby lightning strike passed thru it.

It looks very intentional to me. A few years back, I ran across a neighborhood issue with a company lacking integrity. They actually got caught drilling holes in line sets and then offering service to repair it. No telling for sure, but it doesn't look like weak copper from the image you posted.

Looks like the perfect size hole for the equalizer tapping of a TXV.

Hole looks 'clean' around the edges...

My guess is intentional... however that is only a guess from a picture.

If it were me, and time allowed, I would cut out the section of CO line (a few inches of tubing would be enough), repair the cut out place, and bring the piece back to the shop for examination.

Might learn something... hopefully not something one does not want to know.

they didn't pay the bill

I would be concerned with where the copper that used to fill the hole went...

Plugged txv or worse...

Some wise guy trying to get back at somebody.

It was hot outside and they wanted to cool the area?

new breed of boring bee?

Originally Posted by BaldLoonie

How come our new lineset has 2 of these in it?