Luke Warm Water On Opposite End Of House

 
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Old 01-24-2017, 01:14 PM   #1
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Luke Warm Water On Opposite End Of House


Hello,

I just remodeled a home. The water to the master bath (opposite side of house from water heater) is only lukewarm and not hot. In other bathrooms the water gets hot. I'm trying to figure out what the issue may be....
The home is 2800 SF slab-on-grade. I was thinking that maybe the water is cooling down by the time it gets to the master?? Or is there a chance that it may be mixing with some cold water along the way??

Thoughts?
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Old 01-24-2017, 01:18 PM   #2
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Re: Luke Warm Water On Opposite End Of House


I will add that the house was built in 1970. All the copper pipes coming out of the slab were still in good condition. But obviously I cannot see below the slab.

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Old 01-24-2017, 01:30 PM   #3
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Re: Luke Warm Water On Opposite End Of House


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Originally Posted by hawgcountry View Post
I will add that the house was built in 1970. All the copper pipes coming out of the slab were still in good condition. But obviously I cannot see below the slab.
What changed were made to the piping recently?
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Old 01-24-2017, 01:40 PM   #4
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Re: Luke Warm Water On Opposite End Of House


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What changed were made to the piping recently?
Added one lavatory in the master bath. Killed the old shower, and turned the tub into a new shower. Killed one lavatory. Also worth noting. The manifold in the master bath was hit with a nail so I had it repaired. The repair was made by a licensed plumber though and it looked to be done correctly.
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Old 01-24-2017, 01:40 PM   #5
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Re: Luke Warm Water On Opposite End Of House


Moen cartridge reversed somewhere???
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Old 01-24-2017, 01:47 PM   #6
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Re: Luke Warm Water On Opposite End Of House


Shut off the cold supply and see how that affects the hot.

What brand/type mixing valve?

Is there a pressure differential between the hot and cold? Maybe it's back-flowing across the fixture somehow.
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Old 01-24-2017, 02:06 PM   #7
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Re: Luke Warm Water On Opposite End Of House


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Originally Posted by goneelkn View Post
Moen cartridge reversed somewhere???
Bawawawa .... only did that once, back in '85 Damn'd new fangled mixing valves.
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Old 01-24-2017, 02:19 PM   #8
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Re: Luke Warm Water On Opposite End Of House


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Bawawawa .... only did that once, back in '85 Damn'd new fangled mixing valves.
Somehow i know that feeling.
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Old 01-24-2017, 02:34 PM   #9
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Re: Luke Warm Water On Opposite End Of House


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Originally Posted by MarkJames View Post
Shut off the cold supply and see how that affects the hot.

What brand/type mixing valve?

Is there a pressure differential between the hot and cold? Maybe it's back-flowing across the fixture somehow.
I'm using Kohler valves for shower, and kohler faucets for lavatories. The issue is happening in both the shower and the lavatories.

All valves are brand new so I know it's not a mixing issue at the valves
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Old 01-24-2017, 03:04 PM   #10
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Re: Luke Warm Water On Opposite End Of House


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Originally Posted by hawgcountry View Post

All valves are brand new so I know it's not a mixing issue at the valves
Just because it's new does not mean there could not be an issue with it, or the installation.

I agree with the above suggestion to turn off the cold feed and see how hot the water gets. If it gets nice and hot, you have a backfeed somewhere.
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Old 01-24-2017, 03:41 PM   #11
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Re: Luke Warm Water On Opposite End Of House


Quote:
Originally Posted by hawgcountry View Post
I'm using Kohler valves for shower, and kohler faucets for lavatories. The issue is happening in both the shower and the lavatories.

All valves are brand new so I know it's not a mixing issue at the valves
Did you pull the balancing unit and mixer cap before putting a torch to it?
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Old 01-24-2017, 04:06 PM   #12
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Re: Luke Warm Water On Opposite End Of House


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Just because it's new does not mean there could not be an issue with it, or the installation.

I agree with the above suggestion to turn off the cold feed and see how hot the water gets. If it gets nice and hot, you have a backfeed somewhere.
Understood for the shower, but that would not explain the lavatories. Same problem with all 3 fixtures so I'm quite certain that its not the valves.

I will turn off the cold feeds for the lavatories, however I to not have hot/cold shut off valves at the shower. The valve is the actual shower valve itself
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Old 01-24-2017, 04:07 PM   #13
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Re: Luke Warm Water On Opposite End Of House


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Did you pull the balancing unit and mixer cap before putting a torch to it?
Yes
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Old 01-25-2017, 10:37 PM   #14
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Re: Luke Warm Water On Opposite End Of House


Recirc line.
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Old 08-16-2017, 05:33 AM   #15
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Re: Luke Warm Water On Opposite End Of House


Resolved?
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Old 08-16-2017, 05:38 AM   #16
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Re: Luke Warm Water On Opposite End Of House


The OP signed up here 01/24 - has NOT been logged on since 01/24.

Likely a DIY posing as a GC.
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Old 08-19-2017, 11:47 AM   #17
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Re: Luke Warm Water On Opposite End Of House


Quote:
Originally Posted by SmallTownGuy View Post
The OP signed up here 01/24 - has NOT been logged on since 01/24.

Likely a DIY posing as a GC.
My thoughts as well.

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