Don’t wait until freezing temperatures arrive to protect your plumbing. These common fall mistakes could lead to costly repairs this winter.
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As the days get shorter and the temperatures drop, make sure your home is ready for the colder weather ahead. Fall is the perfect time to prepare your plumbing system for winter and help prevent frozen pipes, leaks, and costly water damage.
To help you get ahead of potential problems, we asked plumbing experts to share eight common plumbing mistakes homeowners make in the fall and what you should do instead to protect your home this winter.
Jordan Benjamin is the owner and president of Done Rite Services, a plumbing, HVAC, and electrical service company.
John Blackburn is the owner of ARS Restoration Services, a fire, water, mold, and trauma restoration company.
Travis Hargrave is the owner and CEO of Hargrave’s Plumbing, a family-owned and operated plumbing company.
1. Leaving Garden Hoses Connected to Outdoor Faucets
Jordan Benjamin, owner and president of Done Rite Services, says that one of the biggest plumbing mistakes homeowners make ahead of winter is failing to disconnect garden hoses from outdoor faucets.
“Not disconnecting a garden hose leaves trapped water inside the spigot and possibly the pipe behind it,” he explains. “When temperatures plummet, that trapped water can freeze, which can damage both the faucet and the connected pipe.”
Before the first freeze, he recommends disconnecting all outdoor hoses (even if you have frost-free hose bibs), draining them, and storing them in an enclosed, protected space.
2. Failing to Shut Off and Drain Outdoor Faucets
Simply disconnecting hoses may not be enough for conventional outdoor faucets, as water left in the faucet and supply line can freeze and damage plumbing.
“Even a brief cold snap can freeze vulnerable outdoor plumbing, especially when the faucet connects to pipes in an unheated area,” warns Benjamin.
For conventional outdoor faucets, he recommends locating and closing the interior shutoff valve (if present), then draining the line.
For added protection, especially when no interior shutoff valve is present, consider an insulated faucet cover.
3. Forgetting to Winterize Sprinkler Systems
John Blackburn, owner of ARS Restoration Services, says his company cleans up the aftermath of plumbing mistakes every winter. One of the main fall plumbing mistakes he encounters is homeowners failing to properly winterize sprinkler systems.
“Water left in the irrigation lines freezes and cracks the backflow valves and fittings,” he warns.
To avoid this, he recommends winterizing the system before the first hard freeze, which may involve blowing out irrigation lines and draining the backflow preventer separately.
Some sprinkler systems may not be designed to be blown out. For best results, consult your manufacturer or installer, or hire a professional to handle winterizing your sprinkler system.
4. Failing to Insulate Pipes in Unheated Spaces
Travis Hargrave, owner and CEO of Hargrave’s Plumbing, warns that homeowners often fail to protect pipes in the attic and other unheated spaces, which can lead to disaster once freezing temps arrive.
“Modern homes have more and more water lines in the attics,” he notes. “You’d be surprised how much protection a few extra degrees of coverage will get you.”
To protect vulnerable pipes, install appropriately sized foam pipe insulation sleeves around exposed water lines in attics, crawl spaces, garages, and other unheated areas.
5. Overlooking Drafts Around Plumbing Penetrations
Benjamin warns that drafts around plumbing penetrations (where a plumbing feature passes through a structural boundary) can expose pipes to freezing temperatures.
“Cold air entering an uninsulated crawl space can quickly reduce the ambient temperature, which can put pipes at risk,” he explains.
To reduce the risk, he recommends sealing around penetrations and maintaining adequate insulation around vulnerable pipes.
6. Setting the Thermostat Too Low While Away
While homeowners often adjust the thermostat to save energy while traveling, Benjamin warns that lowering the thermostat too much could put your pipes at risk of freezing while you’re away.
“Turning the heat off or setting the thermostat too low during an extended trip or vacation can leave plumbing vulnerable to freezing, especially in homes with pipes along exterior walls or in poorly insulated areas,” he explains.
To prevent this, he recommends keeping the heat on at a reasonable temperature no lower than 55°F when you’re away during the winter months.
7. Skipping Annual Water Heater Maintenance
Hargrave says skipping annual water heater maintenance before winter could lead to equipment problems and inefficiency.
“Lower temps lead to lower incoming water temperature, which makes your water heater work overtime,” he explains. “Fall is a great time to perform your yearly water heater service. A water heater free of buildup saves you money and extends its life.”
For tank-style water heaters, routine maintenance typically includes flushing accumulated sediment, checking for leaks, and inspecting the anode rod, all according to the manufacturer’s recommendations.
8. Not Knowing Where the Main Water Shutoff Valve Is
Blackburn says one of the most crucial fall plumbing mistakes is not knowing where the main water shutoff valve is before winter. If a pipe bursts, you need to turn off the water supply ASAP.
“Minutes matter. We’ve walked into homes where water was running down the street because no one could find the valve,” he says.
He recommends finding the main water shutoff valve now and making sure everyone in the home knows where it is and how to shut off the supply in an emergency.
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