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Replace Ball Cock Angle Valve [2012-03-05]

 

Brass Angle Valve are commonly used as shut-off valves for toilets or sinks, and replacing one is a task that requires little skill. The washers within the body of the valve wear away or dry rot with time. Any local home improvement store or plumbing supply store will carry angle shut-off valves. Bringing in your old valve is also the easiest way to find the correct size valve.
1 Turn off the water supply to the sink by closing the main water service gate valve typically located on the exterior of the house or in a concrete box near the street or property line. Open the sink faucets to release the waterline pressure and drain water from the fixture.
2 Access the existing angle valve under the sink. Position a small plastic bucket beneath the valve to catch the water remaining in the connection lines when the valve is detached.
3 Use a crescent wrench to loosen the smaller brass or chrome hex-head nut connecting the water line to the sink fixture. This smaller hex-head nut is typically on the end or top of the angle valve. Allow the water left in the line to drain into the plastic bucket.
4 Use the crescent wrench to loosen the larger hex-head nut at the base of the angle valve. Unscrew this larger nut until it is free of the angle valve.
5 Remove the angle Ball Cock valve by sliding it off of the copper water line. Remove the small compression ring and the large hex-head nut from the water line. Any water still in the line will drain into the plastic bucket.
6 Use a piece of plumber's emory cloth to clean any corrosion or mineral build-up from the exposed copper water line.
7 Slide the new angle valve's larger hex-head nut onto the copper waterline, facing toward you. Slide the new valves brass compression ring onto the copper waterline.
8 Wrap the threads of the new valve at both the large and small nut connections. Two or three full wraps will suffice to prevent leakage.
9 Slide the new angle valve onto the copper waterline until it stops and tighten the larger hex-head nut to the base connection.
10 Reconnect the flexible plastic or copper waterline from the sink fixture to the smaller connection hole.
11 Open the new valve fully and turn the sink faucet valves to fully "on." Turn the water supply back on at the exterior gate valve.
12 Check the new valve for any leaks and tighten valve connecting nuts as necessary.
If you want to know more knowledge,please enter the following link:Brass Gate Valve.