Should you open faucets when turning water back on?

Author: Korey Gutkowski MD  |  Last update: Thursday, November 6, 2025

Never turn the handle quickly. After the water supply is back on, open each faucet, one at a time, and let the water run for a couple of minutes to restore water pressure and flush out any lingering air in the plumbing system.

Should you leave faucets open when winterizing?

It will take a while to clear out the water lines; make sure you leave the faucets open for the winter to make sure that if any water does remain, it has room to expand when it freezes.

What to do when water is turned back on?

– If your water service has been shut off and recently restored, your pipes need to be flushed for 30 minutes to ensure your safety. Water sitting stagnant in pipes may contain lead, copper and other sediments that are not safe for drinking and cooking.

Should you leave outdoor faucets open when water is turned off?

Yes, you should always turn off your outside water line, remove the hose and leave the outside faucet open to drain it, if not you stand a chance of you're inside water line freezing and bursting. Even if you have an outside Frost Proof faucet, you still need to remove the hose!

How to avoid a water hammer when turning water back on?

Works for some (& has, for me). Turn off the water at street or main valve at house (if it fully stops flow). Close the valve on your water heater. Open water valves in house. Make sure in each area of house, the valves lowest to ground (and / or slab) are opened - to drain. Even if that's outside faucets.

How Long Should You Take To Turn Water Back On: Time To Open Water Supply After Water Shut Off

Should all faucets be open when turning water back on?

When turning the water back on to your house, you must be careful not to let air and water rush back into the pipes too quickly. You should turn the water back on slowly. Open one or two faucets before turning the water back on, then incrementally restore water until you see it freely flowing out of the open fixture.

Will water hammer go away on its own?

Water hammer rarely goes away on its own; it's a serious plumbing problem you should address. Pipes can sustain damage from repeated impact, resulting in leaks or burst pipes.

How to turn outside water back on after winter?

How to Turn Your Hose Bibb on After Winter Ends
  1. Locate your hose bibb. ...
  2. Make sure it is indeed closed by turning the handle clockwise until it stops.
  3. Find the shut off valve for the hose bibb. ...
  4. Tighten the bleeder cap. ...
  5. Open the water valve. ...
  6. Inspect the area for leaks. ...
  7. Test the hose bibb. ...
  8. Connect your garden hose.

When to turn outside water back on?

Winterize your pipes and turn off your outdoor water before air temperatures consistently drop below zero. In most northern regions, this falls between mid-October and early November. Turn your spigot back on in the spring after the threat of freezing temps are behind you, usually from mid-April to early May.

What to do before turning main water back on?

Close all faucets and sinks except for one.

Professional plumber James Schuelke says to leave 1 sink or faucet on to help equalize the pressure when you turn the water back on; any sink will work. Make sure it's turned on all the way and then turn every other faucet all the way off in and around your home.

How long to run water after turning water back on?

Turn on each kitchen or bathroom tap, one at a time, and run each for 10 minutes or more. Make sure only one tap is running at a time.

Should I leave outside faucets dripping?

'It's most important to drip water on faucets supplied by pipes that run along exterior walls,' says Aaron Adams, master plumber and CEO of Aaron Services: Plumbing, Heating, Cooling. These are the pipes most exposed to extreme temperatures, and, therefore, most likely to burst.

Will my pipes freeze if I turn off the water?

Shutting off water alone will not keep your pipes from freezing. You need to take additional preventive measures, such as insulating pipes, draining them, and maintaining a warm environment. By following these tips, you can protect your home from the costly damage that frozen pipes can cause.

What do you do with outside faucets in the winter?

How to Winterize Your Outside Faucets: Step-by-Step Process
  1. Shut Off the Interior Valve. Locate the interior valve, which can be either: ...
  2. Drain the Pipes. Unscrew the small bleeder cap on the side of the interior valve. ...
  3. Open the Outdoor Faucet. Go outside and open the lawn faucet handle. ...
  4. Disconnect and Store Hoses.

Should I leave outdoor faucet open?

Freezing temperatures can cause your pipes to burst, and no one wants to deal with costly repairs during the cold months. But here's the good news: By leaving your outdoor faucets open, you're taking an easy, proactive step to protect your home.

Why does my faucet leak when I turn off the water?

If your faucet is dripping water after it is shut off, this may be indicative of a loose or damaged seat washer. Issues with washers is common in sink faucets leaking. The seat washer screw can become loose from repeated use, causing the faucet to drip water or chatter.

Do outdoor faucets have backflow prevention?

However, many older homes do not have backflow valves attached to their outside faucets. This is a relatively simple service to have completed by Response Crew. The backflow preventer is screwed onto the outside water faucet then the garden hose is connected to the valve.

Should faucets be open when turning water back on a well?

Continue to open faucets around the house to drain down the home. After resolving the plumbing issue, you will need to turn the main water valve back on. Leave one faucet on, at the highest level. Close all the other faucets around the home.

What to do when turning water back on after freeze?

Turning Water Back On
  1. Step One: Give the house and all the plumbing fixtures a quick walkthrough. ...
  2. Step Two: Go back and turn off all the fixtures (sinks, showers, etc) in the house and turn off all hose bibs outside. ...
  3. Step Three: Open one exterior hose bib, preferably the one furthest from the main water supply.

What to do when water returns?

Plumbing flush:
  1. turn on each cold water. faucets one at a time,
  2. for at least 10 minutes. at each tap.
  3. Plumbing flush: drain and refill.
  4. your hot water tank. before using any hot.
  5. water in your house. Plumbing flush:
  6. once your hot water. tank has been flushed,
  7. flush each hot water tap. for at least 10 minutes.

How to prevent a water hammer when turning water back on?

Install a water hammer arrestor

If that's the case in your home, you'll need a water hammer arrestor. These devices are small air-filled pipes that screw onto tees that are soldered onto your pipes. They use a built-in piston to compress air to help reduce the shockwave created by closed valves.

What are the warning signs of water hammer?

Also called hydraulic shock, the signs of water hammer include a loud thumping or “hammering” noise from pipes carrying fluid and moderate- to heavy vibrations along the pipe system. Its impact can range from mild or undetectable vibrations to severe and very disruptive pressure shocks.

What happens if you ignore water hammer?

The long-term effects of water hammer might present themselves in the following ways: Leaks: Water hammer has the potential to damage joints, fittings and connections, resulting in poor seals and ultimately leaky pipes.

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