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Old 02-25-2013, 05:52 PM   #16
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replace hose faucet anti siphon / AVB


funfool-- I've got a hose bib that looks very similar. I have rebuilt it twice over the years and plan on keeping it.
I did add a VB to it. Looks like this one. The set screw shears off when tight.
http://www.homedepot.com/h_d1/N-5yc1...1#.USv4BKJ-m8A

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Old 03-04-2013, 09:08 PM   #17
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replace hose faucet anti siphon / AVB


Someone please help
I removed the old vac breaker by carefully sawing it without much noticable problem to the threads.

I bought the vac breaker linked above at home depot.

The problem is that it doesn't want to thread on very much before it feels cross threaded, I have turned it with a pliers but couldn't get very far, after sanding corrosion and applying some grease.

the thread on the facuet looked alot like the garden hose thread in size and thread count, but the edge of the thread is less sharp. All the garden hose threads I have seen is sharp. The original AVB goes on though.

Is it possible the faucet is another type of thread? The faucet doesn't leak otherwise and I don't want to replace it.
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Old 03-04-2013, 09:17 PM   #18
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replace hose faucet anti siphon / AVB


Here is a picture,
you can see the thread is dull on the faucet, so when it threads on the garden hose female it doesn't have enough room.

hard to believe this was stripped.
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Old 03-04-2013, 09:45 PM   #19
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replace hose faucet anti siphon / AVB


Have threaded the new part onto a male end of a hose to check the new female threads?
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Old 03-04-2013, 09:45 PM   #20
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replace hose faucet anti siphon / AVB


Fun fool is your vacuum breaker built into the frost proof with a plastic cap? If so you can pry off the plastic cap and simply replace the washer.
There should be a manufacture name on it.
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Old 03-04-2013, 09:49 PM   #21
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replace hose faucet anti siphon / AVB


Quote:
Originally Posted by Ghostmaker View Post
Fun fool is your vacuum breaker built into the frost proof with a plastic cap? If so you can pry off the plastic cap and simply replace the washer.
There should be a manufacture name on it.
see the opening post........
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Old 03-04-2013, 09:49 PM   #22
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replace hose faucet anti siphon / AVB


That screw in the side of the new vacum breaker make sure its screwed out a bit so it isnt hitting the threads it is to lock it in place.
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Old 03-04-2013, 09:51 PM   #23
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Quote:
Originally Posted by funfool View Post
We have a lot of those old style hose bibs around town here, our plumber likes them because they are made well. Better then the Chinese junk you buy today.
He buys the stems and packing to repair them a dozen at a time and always have some on his truck.

I am interested in this thread because I also have the same problem with a vacuum breaker on a frost free hose bib, have the mushroom affect fixing it. Yours just has the regular hose threads, if you remove it, is your choice if you want to put another back on.
It is something that someone else added.
All the ones I looked at today that will not work for me because I do have different threads. None like yours had set screws and should just unscrew.
But some good ideas here to remove it if they are set screws.
Wanted to add, some I looked at today seemed to have some sort of a thumb screw on the side that may be fore releasing pressure or some other purpose.
But was not a set screw.
This was the post I was replying to... Notice the frost free portion?
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Old 03-04-2013, 10:24 PM   #24
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Quote:
Originally Posted by Ghostmaker View Post
This was the post I was replying to... Notice the frost free portion?
my bad- seems I was- and still am the confused one- Oh well, I'm just a plumber....
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Old 03-04-2013, 11:01 PM   #25
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replace hose faucet anti siphon / AVB


yes I have used other hose thread items to verify that the only thing funny is the threads on the faucet and the original AVB.

I have also completely removed the set screw to make sure it is not getting in the way. The original faucet also have more of a thin rim instead of a flat bottom, and the original AVB uses an o-ring to seal instead of a garden hose gasket.

last resort, I am going to teflon tape the threads since it doesn't thread in all the way, I just want to water my plants..
My guess is, when this was first installed, someone had the set screw sticking inside and wrenched the thing on and deformed the threads..

seriously this can be helpful right now..



Last edited by DIYGST; 03-04-2013 at 11:17 PM.
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