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Brian, Architect
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my plumbing is spitting and spurting. From all faucets but

Resolved Question:

my plumbing is spitting and spurting. From all faucets but it is worse in the bathroom. what is the problem and can I fix it?
Submitted: 5 years ago.
Category: Plumbing
Expert:  Brian replied 5 years ago.

HelloCustomer

Welcome to Just Answer.

Sorry to hear about your problem.

 

It sounds like you have air in the lines. There are only two ways I know of to get the air out; push it out by increasing the water velocity, or open the pipe and release the air. To push the air out you need to temporarily increase the water velocity to the point the water "sweeps" out the air bubbles. To increase the velocity you need to turn on as many water outlets as possible. That creates a high water demand and the water velocity goes way up. As the water rushes through the pipe the trapped air is swept along with it and out of the pipe. Turn on all the faucets in the house and then flush all the toilets. Again, give it a few minutes to push that air out. If you know where the water supply comes into your house turn off the faucets starting with the one closest to the water supply entry point, then close them one at a time moving away from the entry point. As you come to a toilet when you are moving through the house turning off faucets, flush it again, then wait two minutes before closing the next faucet. Don't forget the faucets on the outside of the house. If this does not help, try the next option.

 

If the air can't be pushed out, you will need to find where the air is trapped in the pipe and "open the pipe" to release it. Air rises above water, so the air is likely trapped in a high spot in the piping. If you can identify a likely high point turn off the main water shut-off valve and open a faucet or valve to release the water pressure. Then cut the pipe at the high point and install a tee on it with a small valve on the tee outlet. A compression type tee may be easier to install. A 1/2" valve, or even a smaller one if you can find one, will work fine for the valve. Do not use a gate valve, since they tend to leak easily. Ball valves work good. See the drawing below. The valve needs to be on a short nipple, a few inches above the pipe as shown. Close the faucet and turn the water back on. The air will rise to the highest point which is the short upright nipple under the valve. You can then open the valve just a little bit to let the air escape. Some water is going to come out too, so be prepared for it to squirt! After releasing the air put a plug in the outlet of the valve for safety.

graphic

 

 

 

If you need further help or clarification on this answer, please do not hesitate to reply to this post.

 

Thanks for asking your question at Just Answer.

Best of Luck, Brian

 

Please leave feedback at your convenience.

Brian, Architect
Category: Plumbing
Satisfied Customers: 3012
Experience: Licensed Architect- 17 years
Brian and other Plumbing Specialists are ready to help you
Expert:  Rick replied 5 years ago.
Air in water lines usually dissipates rather quickly. There is no need to modify the piping to alleviate this problem. If you've had a water heater or other tank installed recently air is trapped in the top of the tank as it is filled. You can get rid of it by just letting the water run. The only other unlikely source of air in water lines is if you have a shallow well and the well pump is sucking in air along with the water.   

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