how to remove vacuum valve on hose bib?

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  #1  
Old 03-09-05, 04:27 PM
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how to remove vacuum valve on hose bib?

Hello:

Our local code requires all outside water taps to have some sort of vacuum break valve "device" installed that prevents water backflow into water supply...the device is screwed on the actual tap and has a black plastic ring that can be moved up and down.

My question....the device now leaks (squirts) with tap ON. I attempted to screw off the vacuum valve, but it was very tight and then I noticed a rusty screw that keep the connection tight...Problem is the rusty screw is broken off - on purpose so that people cannot remove the vacuum valve.

I know that if I continued removing the vacuum valve, it would indeed come off, however, someone told me that I would damange the copper threads on the tap....resulting in more trouble....

What is the trick to getting this vacuum valve removed from the hose bib without damaging the copper threads on the tap??

I'm stumpted??

Thanks
Tom
 
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  #2  
Old 03-09-05, 04:34 PM
Ed Imeduc's Avatar
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Location: Mountain Williams Missouri
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Wink

Id take and drill out that small screw

someone told me that I would damange the copper threads on the tap....resulting in more trouble....
It sure would.

ED
 
  #3  
Old 03-10-05, 05:19 AM
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Thanks ED:

Won't drilling out the screw damange the threads?
 
  #4  
Old 03-10-05, 05:27 AM
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Best bet would be to get a screw extractor kit or a left handed drill bit (yes, they make such a thing). The LH drillbit will cut until it "hangs-up and then remove the screw. Good luck.
 
  #5  
Old 03-10-05, 10:30 AM
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thanks for the tips....picked up the LH bit today...should do the trick.

Tom
 
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