Tuesday, June 11, 2013

How to install a new compression angle stop on to copper pipe.

Replacing an old angle stop. First shut the water off to the building. Drain the system down the best you can by opening up lower fixtures. If this isn't possible, then keep a small bucket to catch the water. Pull the lav riser, aka supply line off the angle stop, then use 2 pairs of channel locks to untighten the compression nut. The nut and ferrule will not come off. Get your bucket ready to catch that water that might flow out. Now use a nut and ferrule puller to remove the nut and ferrule. Once you have it off, verify that the copper pipe is clean and not damaged. It's a good idea to use some sand cloth to clean it up. I always recommend to wipe a light amount of pipe thread sealant like megalock on the threads that the compression nut will thread on to. This isn't necessarily for sealing the threads because the brass ferrule should do that job, but this will help you get a nice tight crank and prevent the nut from ceasing up in the future. Once you have replaced the stop reinstall the lav riser, turn the water back on and test it for leaks. If none, life is good and you did the job right. If you see a drip, try to crank the nut a little more. If no luck then you may have to repeat this process to get a water tight seal. This has been a plumbing how to tip provided by  A Plumbing Company in Everett and Seattle Washington.

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