How to Winterize a Toilet: The Ultimate Guide (2023)

Your bathroom fixtures and pipes are particularly vulnerable to damage during this season, but fear not! With our ultimate guide to winterizing your bathroom fixtures and pipes, you’ll be able to keep everything in tip-top shape all winter long. 

From preventing frozen pipes to ensuring your showerhead stays functional, we’ve got you covered with practical tips that are easy to implement. 

So let’s get started and make sure your bathroom is ready for whatever winter throws at it!

Why You Should Winterize Your Bathroom Fixtures and Pipe

If you live in an area that experiences freezing temperatures during the winter, it’s important to take steps to winterize your bathroom fixtures and pipes. This will help prevent them from freezing and bursting, which can lead to expensive repairs.

There are a few different ways you can winterize your bathroom fixtures and pipes. One option is to insulate them with foam insulation. This will help keep the heat in and the cold out, preventing the fixtures and pipes from freezing.

Another option is to install heat tape on exposed pipes. This will provide additional warmth to keep the water flowing freely and prevent freezing.

Whatever method you choose, be sure to follow the instructions carefully to avoid damaging your bathroom fixtures and pipes. With a little bit of effort, you can keep them functioning properly all winter long!

Steps to Winterizing the Toilet

  • Flush the toilet to empty the bowl and tank.
  • Add a cup of vinegar to the bowl and let it sit for 30 minutes to dissolve any mineral deposits.
  • Scrub the bowl with a brush to remove any remaining deposits.
  • Flush the toilet again to rinse away the vinegar.
  • Turn off the water supply to the toilet by turning the valve clockwise until it stops.
  • Flush the toilet one last time to empty out as much water as possible from the bowl and tank.
  • Pour a gallon of distilled white vinegar into the tank and swish it around to coat all surfaces. Let it sit for 30 minutes, then flush the toilet again to rinse away the vinegar.

Tools Needed for Winterizing

Assuming you don’t want to hire a professional to winterize your bathroom, you’ll need a few tools to do it yourself. 

You’ll need an air compressor, an air blower, a wet/dry vacuum, and some weatherstripping.

First, you’ll need to turn off the water in your bathroom. 

Then, using the air compressor, blow out all the water from the pipes. 

Next, seal any cracks or gaps in the pipes with weatherstripping. Use the wet/dry vacuum to suck out any remaining water from the fixtures and pipes.

Tips and Tricks for a Successful Winterization Process

– Insulate your pipes: One of the best ways to prevent your pipes from freezing is to insulate them. You can buy special pipe insulation at most hardware stores. Just make sure to measure your pipes before you buy anything so you get the right size.

– Let faucets drip: During very cold weather, let your faucets drip a little bit so that water is constantly moving through the pipes and less likely to freeze.

– Keep cabinet doors open: If you have any cabinets in your bathroom, keep the doors open so that warmer air can circulate around the plumbing.

– Seal up cracks and holes: Take a look around your bathroom and seal up any cracks or holes that could let in cold air. This includes things like gaps around windows and doors, or holes in walls.

Wrap Up: What to Do After You’ve Winterized

Once you’ve completed all the steps in winterizing your bathroom fixtures and pipes, it’s time to wrap up. Here’s what you need to do:

  • Check all the fixtures and pipes in your bathroom to make sure they’re properly sealed and protected from the cold weather.
  • If you have a sump pump, make sure it’s properly winterized as well.
  • Drain any remaining water from your fixtures and pipes, and then turn off the main water supply to your bathroom.
  • Open up all the cabinets and doors in your bathroom so that warmer air can circulate around the fixtures and pipes and help prevent freezing.


What can I put in my toilet to winterize it? 

To remove the majority of the water from the tanks, flush every toilet. Pour some antifreeze (propylene glycol, not ethylene glycol, which is harmful and used in automobiles) into the tanks to mix with the remaining water, then fill each toilet bowl with one pint of undiluted antifreeze.

What does winterize a toilet mean?

Basically, winterizing a house is draining all the water from the plumbing system, including the water heater, to make sure it is ready to endure the chilly winter temperatures and frozen pipes. 

Certain floor drains, traps, and toilets may receive antifreeze treatments from winterization businesses.

Do you have to winterize a toilet?

Some of the winterization tasks that take the longest also require the most attention. Make sure to completely get your plumbing system ready for the cold season. 

Your plumbing, restrooms, septic tank, well, refrigerator, dishwasher, washing machine, and pool pump are all included in this.

Can pipes freeze in a toilet?

A toilet can freeze, just like anything else that conveys water. The tank or bowl rarely freezes; instead, the lines going to and from the toilet do. 


Winterizing your bathroom fixtures and pipes is an important part of home maintenance. Taking the time to winterize your plumbing correctly can save you from costly repairs in the future, so it’s worth taking the time to do it right. 

By following our guide, you’ll be able to protect your pipes and fixtures so that they last for years to come. 

With a little preparation now, you can rest assured knowing that whatever Mother Nature throws at us this winter, your bathroom will remain safe and sound!

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