Why do Delta faucets leak?

Author: Noble Schroeder  |  Last update: Thursday, April 3, 2025

The culprit is usually a failure of the faucet's seats and springs — rest assured, this is a relatively simple DIY fix.

How to stop a Delta faucet from dripping?

How to Repair a Leaky Delta Faucet
  1. Remove the Faucet Handle. ...
  2. Remove the Bonnet Nut. ...
  3. Remove the Stem. ...
  4. Remove the Valve Seat and Spring. ...
  5. Install a New Seat and Spring. ...
  6. Reinstall the Stem. ...
  7. Check for Leaking and Reinstall the Handle.

Why does a faucet still drip when the water is turned off?

Even after you turn the water taps off, there is still residual pressure still in the lines, that is why it still drips. If you leave the water off for awhile the dripping should stop. If not, you will want to make sure the house valves are actually tuning off all the way.

Will Delta replace faucet parts for free?

Delta Faucet Company will repair or replace, free of charge, during the applicable warranty period, any part that proves defective in material and/or workmanship under normal installation, use and service.

Why are all my faucets leaking all of a sudden?

O-rings, washers, and valve seats are the most common causes of a faucet dripping, so check them carefully as you remove each. Keep an eye out for corrosion, wear and tear, and any other damage.

How to Fix a Leaky Delta Faucet - Delta Faucet Dripping

What is the most common cause of a leaking tap?

Replacing a Worn Tap Washer. Arguably the most common cause of leaking taps in your home is a broken washer that has worn out with repeated use. Also known as a jumper valve, this is luckily one of the easier parts to replace. You will need a rubber washer repair kit – your local hardware store should stock them.

Is Delta still a good faucet?

Moen, Delta, and Kohler are all reputable brands with impressive reputations for quality and durability in the plumbing industry.

Is it cheaper to repair or replace a faucet?

Repairing your leaky faucet is more cost-effective, especially if you have a newer or high-end faucet that's expensive to replace. Another cause could be mineral deposits buildup on the valve set, resulting in a leak. A professional plumber can clean it out as long as the buildup is not severe.

How do I contact Delta for replacement parts?

If you cannot find your model, call 1-800-345-DELTA (3358) or e-mailus, and we'll gladly help you determine if parts are available for your faucet.

Is it bad to let faucet drip?

While the Red Cross specifies letting the cold water drip, Homes and Gardens says people should not forget to turn both the hot and cold faucets on enough to drip. Those with a single-handle faucet should turn it to a point where water will flow through both the hot and cold water lines.

Why is my tap dripping when turned off?

In most instances, the rubber washers have become porous due to limescale build-up. You can replace the washers easily, and usually without professional help. In the case of a tap with a twin-lever fitting, the cause could also be a dirty valve bonnet. Avoid the temptation to simply turn the dripping tap even tighter.

How are pipes still leaking when the water is shut off?

Damaged Valves: If the shut-off valve is damaged or faulty, it may not be able to completely halt the flow of water, leading to leaks even when the water is turned off. High Water Pressure: If your home's water pressure is excessively high, it could cause a continuous leak.

Is a dripping faucet a problem?

While a dripping faucet might feel more like a small headache, not addressing it for too long will often cause bigger monthly bills in the future, including bigger water bills and potentially even foundation damage. Hiring a plumber for prompt repairs is a cost-effective investment.

What is Delta's limited lifetime warranty?

All parts (other than electronic parts and batteries) and finishes of Delta® faucets purchased from authorized Delta sellers are warranted to the original consumer purchaser to be free from defects in material and workmanship for as long as the original consumer purchaser owns the home in which the faucet was first ...

How to remove Delta faucet handle without screws?

Some single-handle Delta® bathroom sink faucets made after 2021 come with a Push-Fit Handle. This feature eliminates the need for a set screw to secure the handle to the faucet. To remove a Push-Fit Handle, align the handle with the spout in the off position, and then pull the handle straight away from the faucet body.

Do I need a plumber to fix a leaky faucet?

While it is possible to fix a dripping faucet without professional help in some situations, this is ill-advised. Inexperienced hands can do more harm than good and turn a small leak into a much larger issue. For instance, a homeowner may suspect that a loose washer is causing the dripping.

What is the life expectancy of a faucet?

You can figure out the lifespan of your faucet by researching the model number through its manufacturer. However, most faucets generally last about 15 years if maintained and cleaned properly. Any old faucet should be replaced. You may also need to check any piping to ensure there aren't any other plumbing problems.

Why is Delta faucet leaking?

Investigate the cap and adjusting ring by taking a good look. If the faucet seems to be leaking from there, try tightening the adjusting ring with needle-nose pliers. If that doesn't stop the leak, you'll need to replace the faucet's seats and springs.

Is Delta at Home Depot the same quality?

Regardless of where a Delta faucet is purchased, it is held to our exacting standards. So long as the model number of the faucets in question are the same, the faucets will be no different no matter where it is sold. Retailers such as Lowe's and Home Depot do have "retail exclusive" models.

What is America's most trusted faucet brand?

Moen Named America's Most Trusted Faucet Brand for 10th Consecutive Year By Consumers, Lifestory Research Reports.

Why is my brand new faucet still dripping?

The most common sources of a leaking faucet – a worn out washer or gasket, a loose O-ring, corrosion in the valve seat – can be detected and fixed easily with most faucet repair kits.

Do I need a plumber for a leaking tap?

If you are experiencing a leaking tap, the first thing you should do is turn off the water supply. Debris can be lodged in the seat of the tap. In most cases, this is a relatively simple repair. However, if the leak continues, you may need to call a plumber.

Why is water constantly dripping from my tap?

While a dripping tap can have a few different causes, most of the time it's due to the washer becoming degraded over time. Replacing the washer can be a simple fix. Sometimes the signs of a leak in your home are obvious but sometimes they're not as easy to detect.

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