Help with replacing bathroom faucet

[Lilnate99]

Hello,
Looking for assistance on identifying what this copper line is connected to the bathroom faucet line? Thought this would be a simple change out but not sure what exactly this line is and if this line makes changing out the faucet much more complicated.

Thanks

 

[JG plumbing]

From the picture it looks like it's hooked to the hot side, is that correct?

 

[Lilnate99]

From the picture it looks like it's hooked to the hot side, is that correct?

Yes correct, it is connected to the hot side.

 

[JG plumbing]

That is odd. Does your toilet have a bidet feature or do you have a bidet?

 

[JG plumbing]

Oh you know what... It's a recirculation line. Do you get hot water really quickly?

 

[JG plumbing]

It likley goes all the way back to your water heater.

What your trying to do is manageable but if your not quite that handy a plumber could do it in 1 to 3 total billable hours.

 

[Lilnate99]

It likley goes all the way back to your water heater.

What your trying to do is manageable but if your not quite that handy a plumber could do it in 1 to 3 total billable hours.

This faucet is located in the hallway bathroom so would have to give it a test and see how quick the hot water comes on. I can say the hot water in the master bedroom is very slow and does not have this kind of hookup to either faucet. Master bedroom and this hall bath is located upstairs and have another bathroom on 1st floor and it does not have this kind of hook up either.

The hot water heater is located in the basement of the house and from what I can tell do not see any thin line like the one connected to the faucet running towards upstairs but that is from what I can see it is by the furnace so there is all kinds of pipes and ducts running all over the place down there...lol.

Yea if this is a job that could take a plumber up to 3 hours to do I think I will leave this to the professionals.

Thanks for your advice!

 

[JG plumbing]

If it's a recirc line and it's setup like I think it's setup there would be only one sink with this setup and it might not effect every fixture equally. It's also possible that it doesn't work as intended. There is a pretty specific method to do it proper without the use of a pump. A lot of "plumbers" tried it and failed which is why pumps (circulators) are required now. A circulator would be a tell tale sign that is a recirculation line, but not indicative.

If you want you could try shutting the stop, then turn the faucet on all the way hot and see if the water stops running.

 

[Lilnate99]

Sorry, I do not know what shutting the stop means.

 

[JG plumbing]

The valve with the oval handle.

 

[Lilnate99]

Lol...ok thought you was talking about something else. Yes when I turn off the hot water valve the water does stop running when the faucet is turned to hot. But I little confused on what this means because this is the water shut off valve so this is suppose to happen with any faucet when it is turned off, correct?

 

[JG plumbing]

Well if it's a recirc line and it goes back to your water heater it would still be live.

You may be able to do this yourself if you can get the water to stop. If I were you and I didn't know what this was supplying I'd want to figure it out.

But you could buy a compression tee and valve and hook it back up.

I guess what I'm saying is it's manageable for you, or you could get the full story/treatment from a plumber, depending on your level of care.

 

[GReynolds929]

What’s on the other side of the wall?

 

[Lilnate99]

What’s on the other side of the wall?

Bedroom is on the other side of the wall. Have a furnace that is in the attic and it sits right above that bathroom. My first thought was maybe it had something to do with the the furnace but have not had a chance to get up there and fully look around.

 

[SHEPLMBR]

Bedroom is on the other side of the wall. Have a furnace that is in the attic and it sits right above that bathroom. My first thought was maybe it had something to do with the the furnace but have not had a chance to get up there and fully look around.

Maybe a humidifier line

 

[House Doc]

Not seeing exactly how your setup is you could use something like this: Eastman 04320LF Multi-Turn Dual Outlet 3-Way Shut-Iff Valve, 1/2 inch FIP x 3/8 inch Comp x 1/4 inch Comp, Chrome - - Amazon.com
Saddle valves are the bain of every plumber here. The only time I would ever use one is if the customer held a gun on me!

 

[Jeff Handy]

Very likely feeding hot water to the furnace humidifier, as per House Doc.

Post a better pic of the existing shutoff valve for the hot side of your faucet, to verify what exact new valve you need.
Looks like it is attached to 1/2 inch copper, but hard to tell.

The valve you need is also commonly used to supply a kitchen faucet and a dishwasher.

Some valves have two stops on them, some just one for both fixtures.