Outdoor plumbing is vulnerable to freezing temperatures. A burst pipe can leave you with repairs costing $200 to $500, not to mention water wastage. Proper winterization ensures your system survives harsh weather without damage. Here's how to do it.

Shut Off and Drain Outdoor Water Lines

The first step to winterizing your outdoor plumbing is shutting off water supply to all exterior fixtures, such as garden faucets, sprinklers, and hoses. Locate the shut-off valve inside your home and turn it off completely.

Once the water is off, drain all outdoor water lines. Leaving water in the pipes can lead to freezing and expansion. To drain, open each outdoor faucet and let the water run out completely. For irrigation systems, use the manual drain valve or blow compressed air through the lines to clear them.

Steps to drain outdoor faucets:

  • Turn off the water supply indoors.
  • Open each outdoor faucet.
  • Wait until no water is left in the pipes.

If you're winterizing a sprinkler system, check this beginner's guide to home insulation for tips on protecting pipes and connections.

Disconnect and Store Garden Hoses

Leaving hoses connected to faucets can trap water inside both the hose and the faucet. This trapped water freezes, causing damage to the fixtures or hose. Disconnect all hoses, drain them thoroughly, and store them indoors.

Coil hoses neatly to prevent kinking and cracking during storage. For long-term durability, consider investing in heavy-duty hoses like Flexzilla garden hoses, which are resistant to freezing and UV damage. Prices range from $35 to $50.

If you're using a pressure washer, make sure to drain it and store it properly to avoid winter damage. Learn more about care for your equipment in our guide to power washers for deck cleaning.

Insulate Exterior Pipes and Faucets

For pipes and faucets that can't be drained, insulation is key. Foam pipe sleeves, available for $2 to $5 per piece, are an affordable solution. Cut them to size and secure them around exposed pipes. For faucets, use insulated covers, which can be found at hardware stores for around $10.

Heat tape is another option for extreme cold. Brands like Frost King or EasyHeat offer heat tape starting at $40. It's ideal for areas where temperatures drop below -20°F. Wrap the tape around vulnerable pipes, plug it in, and let it maintain warmth to prevent freezing.

Surprisingly, insulation alone isn't enough for pipes exposed to wind chill. Combine insulation with wind barriers if your pipes are near open areas.

Prepare Outdoor Appliances

Outdoor appliances, like water heaters or pool pumps, need special attention. Drain and clean these units to prevent freezing or damage. For pool pumps, follow the manufacturer's instructions to remove excess water and debris before storing.

If you have an outdoor water heater, consider covering it with a weatherproof insulating blanket. These blankets cost around $30 and can reduce heat loss by up to 40%. For detailed advice on maintaining outdoor appliances, check the cordless power washers guide.

Regular Maintenance Checks

Winterizing isn't a one-and-done process. Regular maintenance checks are essential to ensure your outdoor plumbing remains intact. Inspect insulation on pipes and faucets every two weeks during freezing months. Replace damaged insulation immediately.

If you suspect freezing in a pipe, use a hairdryer (set to low heat) to thaw it gently. Avoid open flames or high heat, as these can damage the pipe material. For long-term solutions, consult a plumber to install frost-proof outdoor faucets, which cost $40 to $60 each.

FAQ

What happens if outdoor pipes freeze?

Frozen pipes can burst, leading to repair costs of $200-$500, depending on damage severity. Burst pipes can also cause water damage to walls and landscaping.

How often should I drain outdoor faucets?

Drain outdoor faucets every fall, ideally around mid-October, before temperatures drop below 32°F. Regular draining prevents water from freezing inside the pipes.

Can heat tape prevent freezing in pipes?

Yes, heat tape can prevent freezing. Brands like EasyHeat cost around $40 and protect pipes down to -20°F. Wrap the tape around exposed pipes for consistent warmth.

Is it necessary to winterize underground irrigation systems?

Absolutely. Leaving water in underground pipes can lead to cracks or leaks once temperatures drop. Use compressed air to blow out water before winter.

Are foam pipe sleeves effective?

Foam pipe sleeves are effective for mild winters, protecting pipes from freezing temperatures. They're affordable at $2-$5 per sleeve but may need reinforcement in extreme cold.