Plumbing Q - anti-syphon bib/colar leak on outdoor faucet

[goose70]

When I put the hose on our outdoor faucett, water pours from around the anti-siphone collar. One plumber told me that the entire pipe section needs to be replaced, since the collar cannot be removed. This would require opening up the drywall inside the house, which I'd prefer not to do since then I'd have to re-paint the entire wall. Do any of you have other ideas about repiar? I actually bought some J.B. Weld that I was going to smear over the anti-siphone collar in an attempt to stop the leak, but figured I'd ask around before potentially making the problem worse.

Thanks.

[PA BRED]

Jeff,

I just repaired the anti-siphon valve on one of my outdoor faucets. I started by Googling Anti-Siphon Faucet Repair and found all sorts of information.

Mine was made by Mansfield. I just took two screwdrivers and slowly worked it around the cap while lifting up until it popped off. Then you unscrew the valve assembly from the valve body. All that consisted of was a threaded nipple with a plunger that is forced up when the faucet is turned on. There is a rubber gasket on the plunger that seats on the underside of the nipple to keep water from flowing out when the faucet is turned on. When turned off, there is no water pressure under the plunger and it drops down vents the valve.

When you have the nipple and plunger out make sure the plunger moves freely inside the nipple. Mansfield sells a replacement rubber gasket that fits on the plunger. All I did to mine was removed the rubber gasket, flipped it over and reinstalled.

Thread the nipple and plunger assembly into the valve body, snap on the cap and you're done.

Hope this helps.

Dan

[goose70]

PA, for some reason I can't read you post, but thanks for replying. Fortunately, I had a plumber solve the problem with little cost/hassle. That was a releif, because as you could tell by me mispelling every other word in my post, I was getting frustrated with the big $ proposals.

[PA BRED]

Anyone else have a problem??????

Jeff ... anyhow ... glad you got it fixed at minimum cost. Here's what I wrote previously .... can you read this???

Jeff,

I just repaired the anti-siphon valve on one of my outdoor faucets. I started by Googling Anti-Siphon Faucet Repair and found all sorts of information.

Mine was made by Mansfield. I just took two screwdrivers and slowly worked it around the cap while lifting up until it popped off. Then you unscrew the valve assembly from the valve body. All that consisted of was a threaded nipple with a plunger that is forced up when the faucet is turned on. There is a rubber gasket on the plunger that seats on the underside of the nipple to keep water from flowing out when the faucet is turned on. When turned off, there is no water pressure under the plunger and it drops down vents the valve.

When you have the nipple and plunger out make sure the plunger moves freely inside the nipple. Mansfield sells a replacement rubber gasket that fits on the plunger. All I did to mine was removed the rubber gasket, flipped it over and reinstalled.

Thread the nipple and plunger assembly into the valve body, snap on the cap and you're done.

Hope this helps.

Dan

[BUDC]

PA Bred,
I can read both of your posts/the entire page without any problem. Wonder what messed up goose70's page???
budc

[goose70]

I can read it now....I guess it was a temporary glitch with either my computer or TF. Anyway, thanks for the detailed info. I'm sure that it will eventually go bad again (or the one on the back of the house will go bad), so this will come in handy.

[garry21cc]

depend's on the fixture. If it is a reqular style hose bibb/ spigot you can remove the anti siphon device. Just look for the set screw that was installed and carefully drill it out. It is also called an anti theft/tamper screw and will be located on the upper side of the device. Be carefull not to drill into the spigot itself too much. Keep in mind that the hose makes a seal at the washer not on the threads. Once the anti- siphon device is off you can simply replace it with new(It's a great safety device). To prevent further leaks on the new one remove hose in freezing conditions and push up lil ring in fall ( easier to see before installation). If you have a frost free style hose bibb leaking at vacuum breaker/anti siphon device.... remove parts from leaking area and take them with you to parts store. You may have to buy the entire fixture ( much cheaper than drywall repair and paint) to get the required parts. Hope this helps

[V.B. wells & irrigation]

When the device is installed, a brass set screw is screwed from the device into your mht and broken off. This is by design. If you have a need to remove the device, you'll have to gently drill out the set screw and the backflow will screw off of the faucet.