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Old 02-21-2013, 10:50 AM   #16
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What the h--- is this and why is it leaking?


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Originally Posted by joes plumbing View Post
Jmon Teflon tape first then pipe dope other way squeezes dope out
If it squeezes it out then you used too much.. IMO- makes no difference what order

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Old 02-21-2013, 12:37 PM   #17
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What the h--- is this and why is it leaking?


Joe, great point. You're right. I've tried it both ways. Bottom line - I've never had any leaks, drips, or errors afterwards using both tape and dope. Thanks. jmon

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Old 02-22-2013, 01:13 PM   #18
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What the h--- is this and why is it leaking?


I got the only one available from Home Depot, $67+tax... Hope it fits - it looks like it should?

http://www.homedepot.com/Plumbing-Pi...1#.USe09aV2nPo

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Old 02-22-2013, 01:35 PM   #19
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What the h--- is this and why is it leaking?


yea it'll work - just a little more work involved. You'll have to do some soldering or use sharkbite fitings if you don't like soldering.

The current one looks like a union on one end and threaded on the other.

If you get the exact one you are replacing, you could just unloosen the union, use the exsisting union and thread already there. Remove it, and put in new one with no soldering. Just some teflon tape and dope on that one threaded end like we said earlier.

It looks like the new one is double union on both ends. that's not what you have.

A local plumbing supply store should have what you need.

It's up to you. I'm all for the easiest way out of things.
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Old 02-22-2013, 01:52 PM   #20
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What the h--- is this and why is it leaking?


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yea it'll work - just a little more work involved. You'll have to do some soldering or use sharkbite fitings if you don't like soldering.

The current one looks like a union on one end and threaded on the other.

If you get the exact one you are replacing, you could just unloosen the union, use the exsisting union and thread already there. Remove it, and put in new one with no soldering. Just some teflon tape and dope on that one threaded end like we said earlier.

It looks like the new one is double union on both ends. that's not what you have.

A local plumbing supply store should have what you need.

It's up to you. I'm all for the easiest way out of things.
Absolutely agree. I want an exact replacement; my plan was to make sure it was before doing anything else. I would have (hopefully) realized this wasn't it. I'll try another store. Thanks!
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Old 02-22-2013, 02:24 PM   #21
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What the h--- is this and why is it leaking?


Lowes carries the Watts PRV with a union on one side and FPT on the other. If you have access to a plumbing supply house, go there. I went through 2 from Lowes. The first one had a crack in the housing that was discovered after I finished installing it. The second one failed after 1 year.
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Old 02-22-2013, 06:31 PM   #22
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What the h--- is this and why is it leaking?


3/4 union on one end, and 3/4 female thread on the other end is what you need.

Then you can just use your exisiting union and male thread already there for you.

Start with union side first. once union is off then unscrew the reducer from the male threaded side.

When unscrewing that old reducer from the male threaded side use 2 big wrenches one ccw on reducer and one on the male thread side, maintain even pressure. Sometimes they can be hard to get loose when they been there for awhile.

Spray a little break free on the threaded side and tap it a little with a wrench or something the night before. Should breakfree a little easier for you the next day.

When putting it back together reverse order. start with threaded side first, clean male threads from rust and old tape (couple swipes with a wire brush should do it), then put some tape and dope on the threads like we said, screw that reducer on the male threads and tightened it down secure. (Remember to use 2 big wrenches reverse order from above). Don't kill it, just nice and tight.

Then tighten the union side down (no tape or dope - not needed here). Turn on water check for leaks, drips, and errors. You should have none.

Finally, Check and adjust your water pressure reducer accordingly. It's there for a reason - Too high can burst pipes, too low won't get soap off you. I think the standard is about 50 -55 should do it. It probably comes preset at 50psi or something, check out the specs on it - should be listed. You can buy a water pressure gauge for about 5 or 6 bucks at HD or Lowes if you don't have one. Follow the instructions that come with it if you need to reduce or increase your water pressure. Usually clockwise reduces and ccw increases pressure. It should be listed on specs sheet.

Job done - relax and have a beer and enjoy the rest of your Weekend.

Let us know how it worked out for you.

Last edited by jmon; 02-23-2013 at 09:37 AM.
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Old 02-26-2013, 08:05 AM   #23
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What the h--- is this and why is it leaking?


Found one store near me that had the exact replacement that I needed... but they wanted $130 for it. I thought that was crazy, so I left. Can I order this part directly from Watts? Can I go through Home Depot perhaps, will they order it for me?
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Old 02-26-2013, 10:41 AM   #24
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What the h--- is this and why is it leaking?


Home Depot special orders stuff on line or in the store. Prepay/credit card.
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Old 02-26-2013, 10:43 AM   #25
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What the h--- is this and why is it leaking?


HD or Lowes should be able to special order it for you. Just make sure you order the right one as you may not be able to return special orders.

Don't know your location. But if you go to lowes.com or homedepot.com., and type in 25aub-z3 in their search engine, It should pop right up for you. I'm in saratoga springs NY and my lowes here stocks them at 74.00 dollars each. My home depot stocks them at 54.00 dollars each. Plus if you are retired or active duty military, lowes and homedepot will give you 10 percent off of that. Just show them your ID card at check out.

It has a sweated 3/4 union on one end and 3/4 female thread on the other end. You don't need to sweat anything, just use your exisiting one. Just verify your pipe coming in is 3/4 some of those are 1in. kind of hard to tell by the picture. They have the 1in to, but they are a little more money.

It's a brass watts and it comes preset at 50psi which should be good to start. If you find the pressure is too weak you can always adjust it higher.

If your local lowes or HD do not carry it, i'm sure they can order it for you and you can pick it up later. Between 50 - 80 dollars is the cheapest you'll probably be able to find them for.

Last edited by jmon; 02-26-2013 at 11:04 AM.
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Old 02-26-2013, 11:30 AM   #26
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What the h--- is this and why is it leaking?


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HD or Lowes should be able to special order it for you. Just make sure you order the right one as you may not be able to return special orders.

Don't know your location. But if you go to lowes.com or homedepot.com., and type in 25aub-z3 in their search engine, It should pop right up for you. I'm in saratoga springs NY and my lowes here stocks them at 74.00 dollars each. My home depot stocks them at 54.00 dollars each. Plus if you are retired or active duty military, lowes and homedepot will give you 10 percent off of that. Just show them your ID card at check out.

It has a sweated 3/4 union on one end and 3/4 female thread on the other end. You don't need to sweat anything, just use your exisiting one. Just verify your pipe coming in is 3/4 some of those are 1in. kind of hard to tell by the picture. They have the 1in to, but they are a little more money.

It's a brass watts and it comes preset at 50psi which should be good to start. If you find the pressure is too weak you can always adjust it higher.

If your local lowes or HD do not carry it, i'm sure they can order it for you and you can pick it up later. Between 50 - 80 dollars is the cheapest you'll probably be able to find them for.

Thank you! Very helpful! You sure it can't be a 1/2"? House built in 1969. Ah I can just go measure it I suppose.
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Old 02-26-2013, 12:03 PM   #27
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What the h--- is this and why is it leaking?


your welcome,

probably 3/4 - it should be stenciled right on the pipe somewhere.

Also check the pipe before the union as well. Is it the same size as the pipe on the female thread end or does it look bigger? I can't tell by your picture, it's cut off. I can't see the pipe before the union. Sometimes in older homes it may be 1in on the union side then 3/4 on the female thread side. Best to double check and make sure before you order. You know the old saying, check twice cut once. You want to make sure you get the exact same replacement so there is no sweating or extra work involved. In the sixties there weren't a lot of codes like we have today, and they put things together with whatever they had available at the time.

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Old 02-26-2013, 12:21 PM   #28
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What the h--- is this and why is it leaking?


Just a suggestion; You said it's right above your work bench. Even though you'll have the water off and a faucet open there will still be some water left in the pipe when you take it apart. Just make sure you move anything under it and have a bucket ready to catch any excess water.

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