Ran across this yesterday. Not sure what it is for. On the outside there was this configuration (photo1) and on the inside a closed loop of pvc pipe (photo 2).

Any ideas? I thought maybe a water softener hook up that is not used but I haven't seen this set-up before.

Any ideas?

Thanks,

Eric

Attached Images

	SJ 027.jpg (142.8 KB, 74 views)
	SJ 040.jpg (153.8 KB, 69 views)