plumbing from tub/shower valve to spout and shower head

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Old 09-13-15, 10:57 AM
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plumbing from tub/shower valve to spout and shower head

I'm looking at this Delta universal valve for my new tub/shower (although I'm open to suggestions). The connections to the tub spout and shower head are threaded. How do the pros connect the vertical pipes?

Do I solder a threaded adapter to 1/2" copper pipe, screw it onto the valve, and then solder the drop ear elbow to the top for the shower arm?

Same question for the tub spout. What's the preferred method for the rough-in for the tub spout? Threaded for screw-on spout, or straight for push-on spout?
 
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Old 09-15-15, 07:26 PM
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Any thoughts on these questions?
 
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Old 09-15-15, 08:00 PM
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I don't know how this got overlooked.
You're correct. Solder the adapter for the shower riser, then attach to valve, then add the upper drop ear elbow.
Same for the spout. I like to use brass pipe for the spout, but the copper is easier to adjust/cut to length.
 
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Old 09-15-15, 08:22 PM
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Thanks Handyone! Always appreciate your advice.

Just to confirm, a push-on spout for the tub will be ok? Sure seems easier to install.
 
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Old 09-15-15, 08:37 PM
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Yeah, it's easier than trying to get a 1/2" brass pipe to proper length.
 
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Old 09-15-15, 09:21 PM
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IMO do yourself a favor and install a moen moentrol...
 
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Old 09-16-15, 05:10 AM
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A Moen like this one?

Is that just a better quality valve?
 
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Old 09-16-15, 07:12 AM
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Cant tell what that is by the pic... This is the original moentrol with the 1225B cartridge. Very easy to service if needed.

MOEN 1/2 in. CC Rough-in Moentrol Pressure-Balancing Volume-Control Valve-3520 - The Home Depot

The one you linked may be the newer style moentrol?


Opps on edit:::::.. Yes thats the one.. The one I show above does not have stops, your link does..


https://www.moen.com/shared/docs/exp...ews/3550pt.pdf


I like the moentrols as they are pull on and left right H/C The positemps have the spool built into the cart which I dont prefer. And they are CCW on... cold to hot..
 
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Old 09-16-15, 08:21 AM
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I'll have a look at that Moen. I also prefer the pull-on control. For a valve like that, I would solder copper pipe directly to the valve, right? I assume the Delta valve has threaded ports because soldering directly to the valve would damage it.
 
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Old 09-16-15, 09:58 AM
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I would solder copper pipe directly to the valve, right?
Yes but if your not experienced solderer and cant be quick pull the cart before soldering..

I assume the Delta valve has threaded ports because soldering directly to the valve would damage it.
That delta valve is for pex pipe. The threaded parts probably come with an adapter to go to pex or sweat. The reason is often the shower arm and spout are dont in ridgid copper for stability..

Ive installed all brands. Moen is all I will install and use myself...
 
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