FAQ: What Kind Of Fittings To Use On Water Supply Lines To Faucet?

What size fittings are sink supply lines?

The two most common are 3/8- and 1/2-inch compression or male pipe thread. Faucets connectors aren’t completely standardized, but most have 1/2-inch male pipe thread connectors.

Do you use Teflon tape on faucet supply lines?

Most faucets will have hot and cold water supply lines attached, so you just need to connect them to the appropriate water supply line. You may need to use Teflon tape (aka plumber’s tape) for this part, which is used to seal and lubricate threaded pipe joints.

Are toilet and faucet supply lines the same?

A faucet, toilet, and refrigerator’s ice maker use a similar water supply line. A toilet connects to the angle stop valve with a 3/8-inch compression fitting, and the toilet’s fill valve accepts a 7/8-inch threaded nut.

How often should faucet supply lines be replaced?

Water, water everywhere is NOT a good thing when a water line fails. So, the “when to replace it” answer is every 5 years.

How long do braided supply lines last?

How Long To Use Stainless Steel Braided Hoses. Most stainless steel braided hoses last three to five years, according to the manufacturer. It’s important to replace parts after their time has expired even when there’s nothing apparently wrong with them.

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How many inches apart should water supply lines be installed?

Hot and cold water lines should be approximately 6 inches apart unless the hot water line is insulated.

When should you not use Teflon tape?

An important thing to remember is that PTFE tape should not be used when connecting PVC fittings or valves with a female (FPT) thread. If the tape is used on female connections, a wedging action can occur which will cause major stress on the joint during assembly.

How do you connect two supply lines together?

For flexible water supply lines, install your faucet and wrap the threaded end in several layers of Teflon Tape. Screw the threaded end and use a compression fitting to connect it to the wall’s supply line. For inflexible water supply lines like hard plastic or copper tubes, connect using compression fittings.

Which water line is hot?

Plumbing for a kitchen sink includes a drain line, a pair of water lines, and a couple of valves. The hot water is on the left side while the cold water is on the right.

Is hot water line on left or right?

Cold water should always be on the right side of the faucet and hot on the left. This is an industry standard throughout North America, and applies to single lever as well as dual faucets. When indoor plumbing was first introduced, there was one option that came out of the hand pump: cold water.

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