How often do you need to replace faucet supply line?

Author: Eloise Lueilwitz  |  Last update: Wednesday, December 10, 2025

Braided Stainless Steel Supply Lines: These are the most durable and can last up to 10 years or more. They are resistant to wear and tear, making them a popular choice for homeowners. PVC Supply Lines: These plastic lines are affordable and easy to install but typically last around 5-8 years.

How long do sink water supply lines last?

The general rule of thumb is to replace all your supply line hoses every 5 years as a preventative measure to protect your home against any potential leaks. But since braided supply lines have a rubber core, we recommend that they can be replaced every 10 years.

How often should I replace my dishwasher supply line?

Every hose, no matter the condition it's in, should be replaced every 5 years. Replacing your dishwasher's water line is much easier when you have a plan. If you wait too long to take care of a worn line, you could pay the price in damages and expenses.

Do new faucets need new supply lines?

Most new kitchen faucets come with integral supply lines that there's no hope in avoiding. They come with 3/8'' connections. Your main dilemma is that your existing shut-off valves appear to come with their own integral supply lines as well which is unfortunate because those are known to fail after time.

How often should faucet supply lines be replaced?

PVC Supply Lines: These plastic lines are affordable and easy to install but typically last around 5-8 years. They are more prone to cracking and should be inspected regularly. Copper Supply Lines: Known for their longevity, copper lines can last up to 50 years.

Supply Line Sizes for Toilet and Faucet

Can you use old supply lines with new faucet?

You may need to obtain an adapter in order to connect your new faucet to your pre-existing supply lines or shut-off valves.

How long do plastic water supply lines last?

While it's estimated that PVC pipes will last about 100 years (!), various factors – such as what they're exposed to and how they're installed – will determine exactly how long they can survive. Luckily though, there are things you can do to help prevent deterioration and prolong their lifespan.

What is a good lifespan for a dishwasher?

Most dishwashers last 10-15 years with proper use and maintenance. Consider replacement if repair costs are near replacement value or the unit is over 12 years old.

How often should I replace my washer water line?

Regardless of their condition, washing machine hoses should be replaced about every 5 years to prevent a flooding emergency. Standard washing machine hoses are made of black rubber. Unfortunately, these hoses only last a few years and will eventually fail, causing one big mess and costly water damage.

Do water supply lines go bad?

The Lifespan of a Water Line

Typically, main water line pipes last decades. Some experts estimate that they last around 70 years, though this can vary from development to development. If your home is considerably dated–if it was built in or before the 1950s or even the 1980s–you should have its water line inspected.

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.

How long do water supply pipes last?

Pipe Material

Regardless of the material, each of these plumbing products have a life span that you should know so you can gauge whether you need an upgrade. Brass, cast iron, and galvanized steel have a life span of 80 to 100 years, copper lasts 70 to 80 years, and PVC piping only survives for 24 to 50 years.

When should I replace my water service line?

The water supply pipe can last decades, so it can be hard to predict when it will need to be replaced. Signs of a broken water service line include a sudden increase in water bills, soggy spots on the property, low water pressure, or contaminated water.

Are faucet supply lines standard?

Common connector sizes are typically 3/8-inch compression or 1/2-inch threaded fittings. Measure the distance from the shut-off valve to the faucet to determine the appropriate length of supply lines needed. Standard lengths range from 12 inches to 5 feet, but longer options are available if necessary.

How often should you change sink pipes?

Drain Lines.

Despite this, tree roots and aggressive weather factors can seriously damage drainage lines. They replace PVC pipe most often required after 25-40 years of operation. The service life of cast iron pipes is somewhat longer and amounts to 80-100 years.

Do stainless steel dishwashers last longer?

✅ Durability: Stainless steel interiors and exteriors are highly durable and resistant to rust and chipping, ensuring your dishwasher lasts longer.

What is the life expectancy of a refrigerator?

The average lifespan of a refrigerator is about 13 years. However, this number can vary depending on the type of refrigerator and how it is maintained. Some types of refrigerators can last as long as 20 years, while others may need to be replaced after as little as five years.

Should I replace a 7 year old dishwasher?

If your dishwasher is within the five-year limit, it's definitely worth fixing. But if your dishwasher is closer to ten years, finding replacement parts might be too expensive, so you'd be better off replacing your machine.

How often should I replace supply lines?

We recommend changing braided supply lines every 10 years to avoid injuries such as those sustained by the appliance service technician as well as to protect your home and other property from water damage. If you are unsure of how old your supply lines are or how to replace them, RMS can help.

What is the longest lasting plumbing pipe?

If it doesn't get damaged, PVC pipes will last forever. If you have high water pressure, PVC pipe is the best option. It's often used for the home's main water supply line for this reason. It's also a lightweight material that's much easier to work with than galvanized steel or copper.

Can water supply lines be PVC?

PVC Pipe. When it comes to residential water lines, PVC is the most common type used.

How long do water supply lines last?

And should the line collapse or become damaged beyond repair, running water is off-limits until a replacement can be completed -- usually a process taking several days. If you're lucky, your home's water line will last 70 years or more.

How do you clean faucet supply lines?

If problems persist, flush the faucet and lines using these instructions:
  1. Turn off water supply to both hot and cold.
  2. Remove all internal components.
  3. Turn water supplies back on and let run for 30-60 seconds. ...
  4. Turn water supplies off again.
  5. Reassemble faucet.
  6. Turn water supplies back on.

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