Small copper line on top of water heater pipe

[Calj]

i noticed there is a small copper pipe that is disconnected from the fitting on the main pipe on top of the water heater and I am unsure of its purpose. I had a family relative remodel our laundry room 2.5 years ago and he made a lot of mistakes with the plumbing. I am wondering if he forgot to reconnect the line or it was always this way. What is the purpose and do you recommend I reconnect it or leave it disconnected?

 

[johnjh2o]

Ice maker line.

 

[Calj]

Thank you!

 

[FishScreener]

That is one of the few places I’d install a Sharkbite split coupling.


https://www.amazon.com/SharkBite-U3...ite+1/2+repair+coupling&qid=1571751257&sr=8-1

You can cut out up to about an inch and a half of the pipe and then install the coupling over the gap.

That piercing tee for the ice maker fitting looks like it wants to leak soon.

 

[Jeff Handy]

That old saddle valve could also have been for a furnace mounted humidifier.

Yes, they are pure junk and pretty much doomed to leak.

 

[Calj]

I appreciate all the feedback. Thank you!!