How To Blow Out Water Lines in House

How to Blow Out Water Lines in House

As the winter season approaches, it’s important to take the necessary precautions to protect your home from potential damages caused by freezing temperatures. One common area of concern is the water lines within your house. If these aren’t properly prepared and drained, they can freeze and potentially burst, leading to costly repairs. In this article, we will guide you through the process of blowing out your water lines to prevent such issues.

Why do water lines need to be blown out?

Water lines that are not used regularly, such as outdoor hoses, sprinkler systems, or unoccupied homes, are particularly vulnerable to freezing during winter. When water freezes, it expands, and this expansion can put pressure on the pipes, leading to cracks or bursts. By blowing out the water lines, you’re removing any remaining water from the pipes, eliminating the risk of freezing and the subsequent damage.

Tools and materials needed

Before getting started, gather the following tools and materials:

  • Air compressor
  • Air hose
  • Compressed air fitting
  • Eye protection
  • Gloves
  • Tape measure (optional)

Steps to blow out water lines in your house:

  1. Turn off the water supply: Locate the main water shut-off valve for your house and turn it off. This valve is typically found near the water meter, in the basement, or on an exterior wall.
  2. Open all faucets: Go through your house and open all the faucets, both indoors and outdoors. This includes sinks, showers, bathtubs, and even outside spigots. Make sure to turn them on both hot and cold settings.
  3. Drain water from the lines: To allow the water to drain fully, wait a few minutes until water stops flowing from the faucets. This ensures that as much water as possible is removed from the lines.
  4. Prepare the air compressor: Connect the air hose to the air compressor, ensuring a secure fit. Check the manufacturer’s instructions for guidance on setting the appropriate air pressure for your system.
  5. Blow air through the lines: Begin by attaching the compressed air fitting to the faucets, starting with the one furthest from the main water supply. The compressed air will blow out any remaining water in the lines. Be sure to wear eye protection and gloves during this process.
  6. Repeat for all faucets: Move from one faucet to another in a systematic manner until you have gone through all the faucets in your house.
  7. Flush the toilets: Don’t forget to also blow air through the toilet water lines. Simply hold down the flush lever while inserting the compressed air fitting into the overflow tube in the tank.
  8. Drain any remaining water: After blowing air through all the lines, go back and open all the faucets once again to allow any remaining water to drain out.
  9. Disconnect the compressor: Once you have finished blowing out all the water lines, disconnect the air hose from the compressor and release any remaining pressure.

Additional tips:

Here are some additional tips to keep in mind when blowing out water lines in your house:

  • Depending on the size and complexity of your water system, you may want to consider hiring a professional to perform the blowout, ensuring no mistakes are made.
  • Before blowing out the lines, measure the length of your faucets and purchase the appropriate length of air hose to reach each of them.
  • If using a pre-set air pressure regulator, make sure it’s set to a safe level to avoid damaging the pipes or fixtures.
  • Always follow the manufacturer’s instructions for your air compressor and fittings to ensure safe and proper use.

By taking the time to properly blow out your water lines in your house, you can protect your plumbing system from potential damage during the winter months. This simple preventative step can save you from the hassle and expense of dealing with frozen and burst pipes. Remember to always prioritize safety and follow the recommended procedures. If you’re unsure about any step, consult a professional plumber for guidance.

Frequently Asked Questions For How To Blow Out Water Lines In House

How To Blow Out Water Lines In A House?

To blow out water lines in a house, you can use an air compressor to push compressed air through the pipes, removing any remaining water and preventing freezing during winter.

Why Do You Need To Blow Out Water Lines In A House?

Blowing out water lines in a house is essential to prevent freezing and bursting of pipes during winter, which can lead to costly repairs and water damage.

When Should You Blow Out Water Lines In A House?

It is recommended to blow out water lines in a house before the onset of freezing temperatures, usually in late fall or early winter, to prevent any potential damage to the pipes.

What Are The Benefits Of Blowing Out Water Lines In A House?

Blowing out water lines in a house helps to prevent freezing, bursting, and subsequent water damage. It also ensures the longevity and efficiency of the plumbing system.

Can I Blow Out Water Lines In A House By Myself?

Yes, you can blow out water lines in a house by yourself using an air compressor and following proper safety precautions. However, if unsure, it’s best to consult a professional plumber.

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