Originally Posted by
Erby Crofutt
No, you're dead off.
It is a heat loop (using the ground and home heat) to keep the faucet from freezing.
OK, OK. It's just a wild thought that popped into my head when I saw the pictures.
Not that wild.
That was my first thought too, some type of geo thermal heat loop, then I realized there were too many things 'not right' for that to be the case.
I had to look again and then came up with the filtration/treatment probability.