A running toilet isn't just annoying. It's downright expensive. "It's like leaving a faucet running," says Jeff Mezzatesta, owner of Mr. Handyman of Franklin and Brentwood. "Most newer toilets use ane.ii gallons per flush, so if a toilet keeps refilling throughout the 24-hour interval, you could be wasting between thirty to 50 gallons of water." That adds up fast, and who wants to waste water anyway?

There are several reasons a toilet volition run, simply ii problems are the virtually common. The first issue is when the tank is constantly filling, which ways the valve is not shutting off when it should. "And with valves that go bad, at that place'southward no warning," says Mezzatesta. "That's why I recommend you keep a couple of these things on hand because I guarantee it will quit at 7 p.m. on a Lord's day night when the stores are endmost."

The second mutual trouble is when the toilet fills, then ten minutes later information technology fills once more— but no one was in the bathroom (sometimes called "ghost flushing"). That's likely due to a leaky seal or gasket, also chosen a flapper. Chances are, you'll demand to replace these parts about every half-dozen months to a year, depending on usage and how hard your water is.

Here's how to diagnose and prepare these mutual reasons your toilet is running.

How to supersede a faulty flapper

If the toilet keeps filling itself upwards, even when no ane is in the room, it's probably a leaky flapper. The flapper is a flat safety gasket within the toilet tank that lifts to release water to fill the bowl. Over time, the flapper degrades, allowing h2o to trickle past information technology. Mineral build up from hard water or age, which causes the safe to become less pliable and misshapen, may be to blame, says Mezzatesta. Test your theory: Take the lid off the tank, and push downwards on the flapper when the toilet starts running. If it immediately stops, replace the flapper. There are several different kinds so brand sure y'all buy the exact same type (snap a photograph before you head to the hardware store).

Before you start violent autonomously the guts of your toilet, get together a bucket and some one-time towels or rags. Take a few photos of the setup inside the tank, including how long the chain attaching the flapper to the flush arm (handle). Now, shut the h2o at the line feeding into the toilet most its base of operations; turn the handle to the right. Side by side, drain the tank by flushing and belongings down the flush arm to get as much water as possible out of the tank, says Mezzatesta. Y'all'll be left with about an inch of water in the tank, which you lot can sop up with rags. You don't have to disconnect the supply line that feeds water into the tank.

At present remove the flapper and follow the instructions that come with the new flapper. Make certain the flapper is flat and seated snugly into the drain hole. Re-attach the flapper chain to the affluent arm with the same number of links used previously. If information technology'due south besides long, it's going to run and yous take to jiggle it to stop. If it's also short, it won't pull up enough for full flushes. Plow the water back on; permit the tank refill, then flush to check if the flapper does its job.

How to supercede a bad fill valve

If the toilet runs and runs, information technology's probable time to replace the fill valve, which resembles a tower with a float on information technology. Once again, don't forget to take a few photos so yous'll know what goes where, and make sure you get the verbal same type of replacement valve kit, says Mezzatesta. Now, bleed the water as explained higher up.

Next, remove the valve by unscrewing and disconnecting the water supply line and locknut on the outside bottom of the tank. Keep the bucket and towels underneath this surface area to catch whatever remaining water. Y'all may be able to hand loosen the nut, and so apply a pair of channel lock pliers to give it a quarter turn to the left. Hold the valve with your correct hand, and take the nut off completely. Elevator out the valve.

Now put the new valve into the pigsty in the bottom of the tank. As the right paw holds it in place, snug up the nut on the lesser of the tank. Finger tighten, or requite it a quarter-turn with the pliers. You don't want to overtighten it or you can harm it, says Mezzatesta.

The valve can be adjusted for height, so pay attending to where it was originally. Virtually replacements are set for standard height tanks, but if yours is taller, arrange appropriately (read the instructions that came with the valve). There likewise will be a refill tube, which may accept to be cut to the proper length, that goes from the fill valve into the overflow pipe (the tower attached to the flapper on the other side of the tank). Turn the water dorsum on and let the tank fill partially to check for leaks. If the seal is practiced, let it make full completely. Flush to exam.

Is it difficult to fix a running toilet?

Non really. But you exercise need to brand sure you purchase the correct parts, so take a await inside the tank before you head to the store. "Don't exist afraid of this chore. It'due south simpler than yous think," says Mezzatesta. "Just give yourself plenty of fourth dimension, have lots of photos, and make sure to close the water off first!" Yous tin can repair this yourself for less than $50, while a plumber or other home repair professional volition charge $150 or more per hour.

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