If your sink does not have a shut off valve you will have to tap the line through the sink s piping and install a valve for the refrigerator water line.
Installing refrigerator water line shut off valve.
If it has a lever type handle turn the lever so it is perpendicular to the water pipe.
Turn on the cold water at the kitchen faucet to relief pressure in the water line.
Once you re outside the last cabinet don t attach any clamps.
Since most refrigerators now have an automatic ice maker or a water dispenser it is important to know where to locate the refrigerator water valve in order to properly shut it off during needed repairs.
Install into the existing supply line.
Cut the supply line with a pipe cutter leaving enough room between the escutcheon plate and the cut to allow installation of the valve fitting.
Prior to shutting off the valve it s a good idea to turn off the icemaker because otherwise it will continue to cycle on which can damage the valve.
Open the faucet to drain the line.
Locate the fixture shutoff valve on the cold water supply line under the kitchen sink.
1 close the cold water shut off valve leading to the kitchen sink.
You should find the shut off valve when you arrive at the source.
Find the line supplying the kitchen and cut out a section of the pipe no longer than 2 inches.
The first step to ice maker installation or any supply line plumbing is to shut off the main valve to the house and open the lowest tap on the property to empty the pipes.
Connect the refrigerator water line to the third outlet of the tee fitting.
Then attach the tubing to the back of the cabinets every 2 to 4 ft.
Tapping a sink without a valve.
Use either a self tap saddle valve or a tee stop valve.
A refrigerator water shut off valve should be installed on a cold water pipe because you don t want to feed your ice maker or water dispenser with hot water.
Just run the tubing to the floor near the water line hookup on the fridge.
Close the shutoff valve by turning it clockwise until it stops.
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Next attach the 1 4 in.
2 disconnect the copper cold water pipe from the supply line that runs up to the faucet the water line to the refrigerator should have its own shut off valve this shut off valve is usually located under the kitchen sink in the basement in a crawl.
Deburr the pipe with a deburring tool.
Ensure the valves inlets.
Turn off the water.
Once you locate the refrigerator water line shut off valve pause.
Place a bucket under the old valve.
Don t use a saddle tee valve for an icemaker or water filter.
Self piercing saddle valves are designed to fit on copper or brass pipes and cannot be used with pex water pipe according to natural handyman.
Turn off the next valve up the line which may be the main water supply valve.
Refrigerator water line to the stop valve with a compression joint.
A refrigerator water valve is an important component of most refrigerators that have an icemaker water dispenser or both.