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  #1  
Old 5/1/12, 9:12 PM
Juan C. Jimenez Juan C. Jimenez is offline
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Default Small distribution piping

Can anyone help me with a narrative for this distribution piping. Its too small right? And what is that thing under the sink?small-distribution-piping-may-1-264.jpg

small-distribution-piping-whatisthis.jpg

small-distribution-piping-distrubutionpiping1.jpg
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  #2  
Old 5/1/12, 9:13 PM
Juan C. Jimenez Juan C. Jimenez is offline
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Default Re: Small distribution piping

I already know the TPR valve discharge pipe is crap.
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  #3  
Old 5/1/12, 9:54 PM
Christopher Currins, CMI Christopher Currins, CMI is offline
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Default Re: Small distribution piping


Clean-out/connection for cast iron drain pipe.


No water lines do not look too small from here. Typical 3/8".
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  #4  
Old 5/1/12, 10:17 PM
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Charley L. Bottger Charley L. Bottger is offline
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Default Re: Small distribution piping

Quote:
Originally Posted by jjimenez View Post
I already know the TPR valve discharge pipe is crap.
If ya know all that ya know more than me the PEX is rated for hot water and its not reduced in diameter so where is the crap you see



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Old 5/1/12, 10:24 PM
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Default Re: Small distribution piping

Darn you're fast Charley.




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  #6  
Old 5/1/12, 10:28 PM
Juan C. Jimenez Juan C. Jimenez is offline
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Default Re: Small distribution piping

State of Virginia Plumbing Code 504.6 number 6.

Discharge in a Manner that does not cause personal injury.
The discharge pipe is very flexible. (A properly functioning TPR valve will eject a powerful jet of hot water from the discharge pipe when fully activated, not a gentle leak.) In my opinion that thing is going to move like a water house under high pressure and could injure someone.
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Old 5/1/12, 10:34 PM
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Default Re: Small distribution piping

Quote:
Originally Posted by jjimenez View Post
State of Virginia Plumbing Code 504.6 number 6.

Discharge in a Manner that does not cause personal injury.
The discharge pipe is very flexible. (A properly functioning TPR valve will eject a powerful jet of hot water from the discharge pipe when fully activated, not a gentle leak.) In my opinion that thing is going to move like a water house under high pressure and could injure someone.
Just how sure of that are you?



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Old 5/1/12, 10:38 PM
Juan C. Jimenez Juan C. Jimenez is offline
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Default Re: Small distribution piping

Thanks for your help Christopher.
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  #9  
Old 5/1/12, 10:58 PM
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Charley L. Bottger Charley L. Bottger is offline
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Default Re: Small distribution piping

Quote:
Originally Posted by jjimenez View Post
State of Virginia Plumbing Code 504.6 number 6.

Discharge in a Manner that does not cause personal injury.
The discharge pipe is very flexible. (A properly functioning TPR valve will eject a powerful jet of hot water from the discharge pipe when fully activated, not a gentle leak.) In my opinion that thing is going to move like a water house under high pressure and could injure someone.
I think you are being peronid



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  #10  
Old 5/2/12, 12:03 AM
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Greg W. Mathias, CCHI, CMI Greg W. Mathias, CCHI, CMI is offline
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Default Re: Small distribution piping

I see no issue with it. You know if you call it up they will just strap it to the hot water heater. The pipe will not curl up and spray the entire area like a water hose.



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  #11  
Old 5/2/12, 12:15 AM
Juan C. Jimenez Juan C. Jimenez is offline
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Default Re: Small distribution piping

Maybe not curl up but it is easily moved by hand and has lots of play. Maybe it won't spray every where, maybe I am being paranoid. But i think a healthy amount of paranoia makes for a good inspector.
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  #12  
Old 5/2/12, 1:46 AM
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Default Re: Small distribution piping

Quote:
Originally Posted by jjimenez View Post
Maybe not curl up but it is easily moved by hand and has lots of play. Maybe it won't spray every where, maybe I am being paranoid. But i think a healthy amount of paranoia makes for a good inspector.
I would expend my energies elsewhere and avoid being embarrassed by the plumber who comes behind your report. The TPR discharge is fine. It's not going to whip around like a loose fire hose.



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  #13  
Old 5/2/12, 7:38 AM
KEVIN WOOD, CMI KEVIN WOOD, CMI is offline
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Default Re: Small distribution piping

The one elbow reduces the size but I am not to agreeable with the theory of the whiplash of hot blasted water. The PEX may be rated for 150 PSI and 210 F but some are not.
Reduction in the last 2 feet under the sink with 3/8" is fine.
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  #14  
Old 5/2/12, 7:54 AM
KEVIN WOOD, CMI KEVIN WOOD, CMI is offline
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Default Re: Small distribution piping

According to US I believe you can use 100 PSI and 180 F as a minimum but are not allowed to reduce in size and must have an air gap.
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Old 5/2/12, 8:46 AM
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Default Re: Small distribution piping

I don't see anything out of the ordinary. The piping beneath the sink is definitely typical. Supply to the WH looks to be 1/2" which is fine. Strapping the TPR discharge would be good practice.



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