A compression sleeve -- also known as a ferrule -- is a ring that is positioned between a pipe fitting and an end compression nut and slips over the end of a copper pipe. When the fitting -- usually a shutoff valve or connecting coupling -- is pushed onto the pipe end, the compression nut screws onto the fitting with the compression sleeve in between the two, forming a watertight seal. These fittings require no soldering and are easily removed from the pipe if required.
Things You'll Need
- 2 Crescent wrenches
Slide the compression nut onto the pipe end, moving it a few inches along the pipe. Push the compression sleeve onto the pipe, also moving it a few inches along the pipe.
Push the compression fitting onto the end of the copper pipe -- the pipe will enter the fitting roughly 3/4 inch. Push the compression sleeve along the pipe so it rests against the end of the fitting. Slide the compression nut against the compression sleeve and screw it by hand onto the compression fitting.
Place one Crescent wrench around the compression fitting's body and a second Crescent wrench around the compression nut. Tighten the compression nut to the fitting by holding the wrench around the fitting and turning the wrench around the nut clockwise.
Tips & Warnings
- While tightening the nut, make sure the compression fitting does not slip partially out of place on the end of the copper pipe.
- If any burrs are present on the end of the copper pipe, the pipe end should be cut off with a tubing cutter to remove all burrs before the fitting is installed.
- "Home Improvement 1-2-3"; Benjamin W. Allen, et al.; 1995
- Plumbing Store.com: Compression Fittings
- On The House: Compression Fittings
- Plumbing Networks; Using and Choosing Plumbing Compression Fittings; Anne Burkley
- Photo Credit Brand X Pictures/Brand X Pictures/Getty Images
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