I have 2 Mini split installs, one I did myself which is top quality, and one I got a local highly rated company to install. They've done as much wrong as possible. The drain connects to a 3/4 PVC pipe just with some tape, nothing else, not secured in any way, and then just runs down the foundation.
Since pouring my concrete slab I can now grade the area correctly now the AC is about 5 inches higher than it was before, however I had to fix that drain first
How they installed it, as if that will hold...
Anchored in place now
These 1 inch clamps are THE BEST for 3/4 Pipe
https://www.amazon.com/gp/product/B07QS66F23
And got the pipe to come across and over to where the regular AC drain is, so its not directly against the foundation
Since pouring my concrete slab I can now grade the area correctly now the AC is about 5 inches higher than it was before, however I had to fix that drain first
How they installed it, as if that will hold...
Anchored in place now
These 1 inch clamps are THE BEST for 3/4 Pipe
https://www.amazon.com/gp/product/B07QS66F23
And got the pipe to come across and over to where the regular AC drain is, so its not directly against the foundation