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Old 08-07-2016, 05:38 PM   #1
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Pressure reducer setup question...


Hi there,

I have a setup of a pressure reducer and shutoff that I would like to remake with new parts.... I'm having trouble identifying what I actually need...


Specifically, I would like to have the same type of couplers on my new one. I just don't know what they're actually called. One has a slip end and one has a street end. Also, I want to replace the N35B reducer but it is long discontinued so if anyone knows a replacement that would work in this setup that would be great. And, lastly, is that a threaded piece to the right on the shut off or is it just one large part with a slip on the right?

Any advice would be greatly appreciated. Thanks, Chris
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Old 08-07-2016, 05:39 PM   #2
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Re: Pressure reducer setup question...


Forgot picture...

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Old 08-07-2016, 07:59 PM   #3
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Re: Pressure reducer setup question...


Looks like an easy swap out. It looks like you have unions on both ends of reducer. I wouldn't bother rebuilding it, so much easier to just replace it. Any big box or plumbing supply store should have what you need. Take old one with you if needed. About 100 bucks or so for a new one. Can't tell if that's 3/4 or 1 inch.

I would use the existing unions unless they are bad, just replace the brass reducer piece, ezpz 123z. Just a suggestion.

Use some pb blaster or wd40 on the threads and two wrenches, one to hold reducer and one to turn union. Make sure to turn off water and open a couple faucets to relieve the pressure.

Why do you want to rebuild/replace it? Is it not working right?


Last edited by jmon; 08-07-2016 at 08:18 PM.
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Old 08-07-2016, 08:43 PM   #4
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Re: Pressure reducer setup question...


Thanks jmon...

The reason I was going to remake the whole thing was that I actually need to desolder both elbows completely because I'm changing the configuration. I need to turn the elbows up 90 degrees. I made a crude drawing. I'm trying to add a z-wave shutoff to the mix but I don't have room to add it in it's current configuration.



I really don't have to actually remake the whole thing in fact I know I can get a rebuild kit for the N35B (which has been in service for 19 years possibly). I just thought the desoldering and then resoldering might make it a weak point if the parts don't desolder cleanly but you might be able to tall me differently.

Thanks again for the advice....
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Old 08-07-2016, 10:25 PM   #5
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Re: Pressure reducer setup question...


You are welcome yyz. Btw, welcome to the forum. Nice to have you here.

To remove both elbows, (especially the elbow before your shutoff), you will need to turn off the water at the street or curb stop depending on how your municipality is set up. Check with them first, depending on your municipality they may have to turn it off for you. Idk.

Shouldn't be any problem desoldering once water is turned off at the street/curb and the reducer is removed. Because there will be no water left in the line which will make it ezpz for desoldering.

Straight pipe will clean off nicely, however, I would not reuse any fittings, just get new ones.

Good luck with your project, let us know how everything works out. Thanks.

Last edited by jmon; 08-07-2016 at 10:27 PM.
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Old 08-07-2016, 10:34 PM   #6
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Re: Pressure reducer setup question...


Just curious, is that some kind of wireless water saver unit that can be controlled with an app or something?

I have heard of them, but don't really know what they do or how they function. Sorry, I'm not that advanced. Lol.

Thank you in advance for explaining.
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Old 08-07-2016, 11:05 PM   #7
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Re: Pressure reducer setup question...


Thanks again jmon.

The street shutoff is accessible to me so it wont be an issue. I was hoping I could actually put the shutoff onto the water softener loop but unfortunately blocking that does not shut off all the house water. There is a reverse osmosis stub under the kitchen sink that will only shut off from the valve in the picture.

As for the wireless shutoff, it is this:http://fortrezz.com/index.php/products/water-valve

It attaches to my z-wave home automation network and then I have wireless water sensors all over the house.

Again, thanks for the advice. Chris
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Old 08-07-2016, 11:23 PM   #8
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Re: Pressure reducer setup question...


Thanks for the info Chris.
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Old 08-08-2016, 11:37 AM   #9
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Re: Pressure reducer setup question...


I am still curious what the unions on the reducer are actually called. I've been trying to find them online more out of curiosity than anything else....
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Old 08-08-2016, 01:37 PM   #10
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Re: Pressure reducer setup question...


I just call them brass or copper solder on unions. They are available at any big box or plumbing supply store. You can google as well. When you buy a new double union water pressure reducer they come with it.

Sorry. Totally misunderstood what you were trying to do. Thanks for explaining chris. Hope you get everything working the way you want.

Last edited by jmon; 08-08-2016 at 01:48 PM.
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Old 08-08-2016, 11:36 PM   #11
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Re: Pressure reducer setup question...


It seems that getting a 1" double union solder pressure reducer is easier said than done. I may need to find a plumbing supply place in town because none of the big box have solder double union
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Old 08-09-2016, 12:09 AM   #12
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Re: Pressure reducer setup question...


Nevermind. I found this one on Amazon..


https://www.amazon.com/Zurn-Lead-Fre.../dp/B00GG1Q1DW

If anyone has an opinion on specific brands, feel free to comment :-)

Last edited by yyz; 08-09-2016 at 12:29 AM. Reason: Add a little more...
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