
Drain water pipes to prepare for freezing is a crucial step in winterizing your home. Frozen pipes can cause significant damage and disrupt your daily life.
Water expands as it freezes, which can cause pipes to burst. This can lead to costly repairs and even temporary displacement.
To prevent this, you should drain water from outdoor hoses and faucets. This is especially important for areas with freezing temperatures.
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Preparation and Prevention
To prepare for freezing temperatures, start by locating the shut-off valve near your water meter and shutting off the main water supply to your home.
Shutting off the main water supply is crucial to prevent any further water flow into your pipes.
You'll also want to open all your sink faucets, starting with those on the top floor of your home, including the upstairs bathroom, followed by downstairs bathrooms, your kitchen sink, and any sink faucets in your basement.
This allows air into the system and helps the water flow when draining.
Once the lowest faucet in your home has been opened, allow the water from the upper floors to drain completely.
It's essential to drain your pipes before leaving your home unheated for an extended period, such as when going on vacation or heading south for the winter.
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Tools and Materials Needed
To prepare your pipes for freezing temperatures, you'll need the right tools and materials on hand.
An air compressor is a must-have for this task, as it will help you power the equipment needed to drain your pipes.
An adjustable wrench is also essential, as it will allow you to securely attach and detach various fittings and valves.
A bucket will come in handy for catching any remaining water that drains from your pipes.
A garden hose will also be useful for directing the flow of water from your pipes.
For protection against freezing temperatures, you'll need propylene glycol, a non-toxic antifreeze that's safe for your pipes and the environment.
A screwdriver will help you loosen any stubborn fittings or valves that might be in your way.
Here's a list of the tools and materials you'll need to get started:
- Air compressor
- Adjustable wrench
- Bucket
- Garden hose
- Propylene glycol (non-toxic antifreeze)
- Screwdriver
Locating and Draining Pipes
Locating the right components is crucial to draining your pipes effectively. You'll need to find the following key parts of your home's plumbing system: the hot water heater, lowest faucet in the house, main water shut-off valve, sill cocks or outdoor faucets, and water meter.
These components are essential to draining your pipes, so take the time to locate them. The main water shut-off valve might be inside or outside your house, so make sure to check both places. If you can't find it, contact your local water supply company for assistance.
Here's a list of the key components you'll need to locate:
- Hot water heater
- Lowest faucet in the house
- Main water shut-off valve
- Sill cocks or outdoor faucets
- Water meter
Locating Key Components
To effectively drain your pipes, you'll need to know where to find the key components of your home's plumbing system.
The hot water heater is a crucial component to locate, as it's a common source of leaks and bursts during winter.
You'll also need to find the lowest faucet in the house, which is usually a sink or a bathroom faucet.
The main water shut-off valve is another essential component to locate, as it allows you to shut off the water supply to your entire home.
Sill cocks or outdoor faucets are also important to locate, as they can be prone to freezing and bursting in cold weather.
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The water meter is usually located near the street or at the side of your house, and it's a good idea to know where it is in case you need to access it.
Here's a list of the key components you'll need to locate:
- Hot water heater
- Lowest faucet in the house
- Main water shut-off valve
- Sill cocks or outdoor faucets
- Water meter
Instructions
Shut off the main water valve, which can be found inside or outside your house, and contact your local water supply company if you can't locate it.
Locate the main water valve and turn it off to prevent any water from flowing into the pipes. This is a crucial step to ensure a safe and successful draining process.
To drain pipes of water, turn on every water fixture in the house until the water stops running. This includes sinks, toilets, and showers.
Next, drain all water outside of the house by attaching a hose to a sill cock or basement faucet. Open all faucets and flush all toilets in the house, starting with the top floor and working your way down.
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Remove the toilet tank cover and continue flushing until all of the water has drained out. This step is essential to ensure that all water is removed from the pipes.
To force any remaining water out of the pipes, use an air compressor to apply bursts of air to the main drains for several seconds each. Start on the top floor and work your way down.
Drain appliances by turning on the dishwasher and allowing it to run to clear water from the drain line. Run both hot and cold water through the washing machine to flush out all the lines.
Open the shut-off valve beneath each toilet to allow compressed air to blow out water for a few seconds each, then close the valve. This step is crucial to ensure that all water is removed from the pipes.
Pour anti-freeze into all sink and bathtub drains to provide extra protection against freezing temperatures. Add a small amount of anti-freeze to each toilet tank for added protection.
To restore water to the pipes, turn on the main water valve and let each fixture run until the pipes are full. This will ensure that the pipes are properly re-filled with water.
Protecting Plumbing
To protect your plumbing system from freezing, you'll want to start by draining the main water lines. After you've done that, check for other areas where water might remain and potentially freeze.
Shutting off the main water supply is the first step in draining your plumbing system. You'll usually find the shut-off valve near your water meter.
Opening all your sink faucets is crucial to allow air into the system and help the water flow when draining. Start with those on the top floor of your home, like your upstairs bathroom, followed by downstairs bathrooms, your kitchen sink, and any sink faucets in your basement.
Once the lowest faucet in your home has been opened, allow the water from the upper floors to drain completely. This will ensure that the system is fully drained.
To protect your sink and tub traps, pour propylene glycol (non-toxic antifreeze) into every sink and tub trap. Use enough to displace the water in the trap and to create a barrier against freezing.
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When to Drain and Services
You should drain your pipes if you're leaving your home unheated for some time during winter. This will prevent your pipes from freezing and potentially bursting.
If you're going on vacation or headed south for the winter, draining your pipes before you leave will help you avoid damage to your system. Any water that remains in the pipes can freeze and expand, putting your pipes at risk of cracking or bursting.
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When to Drain Pipes
Draining your pipes before leaving your home unheated for an extended period can save you from costly repairs. You should drain them anytime you're leaving your home unheated for some time during winter.
Going on vacation or heading south for the winter requires draining your pipes before you leave. This will help you avoid damage to your system.
Any water that has flowed to a source will remain in the pipes until the next time you open the faucet. If the temperature drops, the water inside the pipes will freeze.
Frozen water expands, putting your pipes at risk of cracking or bursting.
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Drain System Services in Victoria

If you live in the Victoria or lower Vancouver Island area, it's a good idea to get your pipes prepared for winter. Drain Pro Plumbing's technicians can assess the state of your pipes and plumbing systems to help you prepare properly.
They can send a team of technicians to your home to help you prepare your pipes for the winter.
Curious to learn more? Check out: How to Prepare Water Pipes for a Freeze
Pre-Winter Checklist
Before the cold weather sets in, make sure to detach any hoses from outdoor faucets to allow water to drain from the pipes and prevent freezing.
It only takes a single, hard, overnight freeze to burst either the spigot or the pipe connected to it, so don't wait to take action.
Wrap pipes in unheated areas, like garages or crawl spaces, with insulating materials like foam tubing or heat tape to prevent them from freezing.
Hardware or building supply stores will have wrapping materials available, so grab some before winter arrives.
Suggestion: Keep Water Pipes from Freezing
Seal any openings where cold air can get in with caulking or spray foam, but be careful not to block air vents that appliances need.
Know where your main water shut-off valve is located, usually in your basement or crawl space near your water meter, so you can turn off the water quickly in case of an emergency.
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