Turn the water back on and flush the toilet to test your work. If the line continues to leak, you may need to replace a washer in the nut. The supply line nut: The supply line itself also has a nut that attaches to the valve. Try tightening this nut with your hand, then carefully tighten it a little more with a wrench.

Why is supply line to toilet leaking?

If the leak still hasn’t stopped, the next culprit you’ll want to check out are the rubber washers. In some cases, bad or damaged washers can cause a leak in your toilet supply line. Before you check out the washers, it’s important to cut off your water at your shut-off valve.

How do you stop a water supply line from leaking?





Turn off the water supply to the leaking pipes and clean the area around the hole to be patched. Use a metal file to smooth any sharp edges that might cut through the patch. Apply the patch and repair clamp so it evenly overlaps the damaged section of pipe. Tighten the clamps to seal the leak.

How do you seal a toilet supply line?

Thread the metal nut onto the shutoff valve and tighten (1/2) turns beyond hand-tight. Prior to threading plastic nut onto fill valve shank, turn Click Seal nut counter-clockwise until threads align. Gently turn Click Seal nut clockwise and hand tighten until nut clicks. The “click” lets you know it’s sealed!

Why is my new toilet leaking from the tank?

The water drains to the bottom of the tank – This happens when the gasket that seals the flush valve into the tank is deteriorated and worn. Recommended Solution: Change flush valve. If a leak occurs at a flush valve gasket in new installation, the lock nut securing the flush valve to the underside maybe leaking.

Are toilet water supply lines Universal?

What Is a Toilet Supply Line? In order for the flush mechanism on a toilet to function, there must be water to fill the tank. A variety of supply lines can be used to fulfill this role. Typically they are 3/8” in diameter, but toilet supply line size can vary in length, usually anywhere from 9” to 20”.

How tight should water supply lines be?





It seems to go against common sense, but plumbing fittings don’t have to be super tight in order to function properly. In fact, pipes should only be hand tight to help aid the flow of water throughout your home.

How often should toilet supply lines be replaced?

every 5 years

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

Why is my new faucet line leaking?

Faulty installations are a common reason for leaking sinks. Usually, this is something as simple as a connector not being tightened properly, either where the water supply connects to the faucet itself or the seal within the faucet that keeps water from going anywhere but through to the tap.

What happens if you over tighten water supply line?



Do not overtighten the supply line. Screwing a supply line on too tight is one of the worst things you can do. Such overtightening will cause the metal threads inside of the line to become warped, making it much easier for water to slip past. It may also damage the rubber O-rings inside of the line.

Why does toilet leak between tank and bowl?

If your toilet is leaking between the tank and the bowl, you have a bad tank-to-bowl gasket, loose toilet tank bolts or worn toilet tank bolts washers. If the problem is the tank to bowl gasket the toilet will only leak when flushed but if it is the tank bolts or washers it will leak throughtout.

How do you stop a leaking toilet tank?

Leaking toilet tanks can be repaired by changing out the rubber gaskets around the tank bolts and the spud washer, which can deteriorate and fail due to hard water and minerals. For this project you’ll need the following tools: a screwdriver, adjustable wrench, small wire brush, sponge, white vinegar, and rags.