permit for partial remodel with PEX?

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Old 03-07-17, 09:53 AM
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permit for partial remodel with PEX?

I am planning a remodel of our bathroom and plan to replace the old under slab copper pipe with in attic PEX. I want to later expand the PEX into other areas as I remodel them.

Will I have a problem with adding a manifold now for the future remodels but only upgrading the bathroom plumbing to the manifold when it is inspected for the permit?

skeeter
 
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Old 03-07-17, 10:13 AM
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I don't see any issue with it. Ultimately, it's the inspector's call, but I can't imagine why he would have any issue with it.

Of course, make sure the unused manifold valves are capped.
 
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Old 03-07-17, 10:43 AM
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There should be no problem with a manifold though I would not bother with one. It's soooo easy to cut PEX and insert a T or anything else that I don't see much benefit in a manifold.
 
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Old 03-07-17, 01:06 PM
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I'll have to go with the manifold. I do countless remodels where I would like to isolate a certain room or portion of the house. Turning off the main water source is good, but it leaves the client without water in the duration. Having a manifold makes it so much easier to isolate those portions of the house. If there is an emergency break, if labeled properly, you can also turn off the offending portion and leave the rest of the house functional.
 
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Old 03-08-17, 09:45 AM
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Thank you,

I like being able to cut water to each room without affecting the rest of the house. Especially since i will be tackling each room one at a time.

skeeter
 
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Old 03-08-17, 09:48 AM
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Also do the unused lines need to be capped or can just the valve just be turned off?

skeeter
 
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Old 03-08-17, 01:18 PM
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Capping is always a good safety precaution and my inspectors want unused valves to be capped.

If you do a manifold don't rely on your memory or skimp on the labeling. 10 years on someone will love you when they need to do work and see each valve or water line in and out of the manifold labeled so they know exactly which valve controls the hot water for the master bathroom shower.
 
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Old 03-09-17, 10:18 AM
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I don't know if this is nonsense, but a plumber now working on my place said he wouldn't run PEX in an attic since rodents chew on it. In the walls, yes, but copper in the attic.
 
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