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Reconnect and Test for Leaks — Turn On Water and Check for Leaks

Beginner2 hours

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How to Replace Washing Machine Supply Hoses · Step 6 of 6

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In this video

Once the washing machine is in place, reconnect all the hoses and the power cord. Screw the hot and cold water supply lines back on securely. Place the drain hose back into the wall standpipe, but only insert it about 6 inches to maintain an important air gap. This prevents siphoning. Use a zip tie to secure the drain hose to one of the supply lines so it cannot pop out during the drain cycle. Plug the washer in, turn the water on, and run a test load to check for any leaks at the connections.

Goal: Properly reconnect the washing machine and verify there are no leaks.

  • Failure to create an air gap with the drain hose can cause draining problems or siphoning of dirty water back into the machine.

Used in this video

  • Zip Tie (Tool Type: Hand Tools, Material: Plastic) · optionalSecuring the drain hose to prevent it from coming out of the wall pipe.
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FAQs

What's the most important safety precaution I need to take before starting this project?

The most critical safety step is to completely shut off both the water supply to the washing machine and its electrical power. Shutting off the water prevents flooding, while disconnecting power protects you from electrical shock, especially if there's any water spillage during the process.

Do I need specific tools, or can I use an adjustable wrench for the hose connections?

While an adjustable wrench can work, tongue and groove pliers (like Channellock) are highly recommended. They provide a much better grip on the hose connections and nuts, reducing the chance of stripping or slipping, especially in awkward spaces behind the machine. Make sure to use two pliers – one to hold the valve steady and one to turn the hose fitting – to prevent damaging the water supply valves.

What type of washing machine hoses should I buy to prevent future leaks or bursts?

Always choose braided stainless steel washing machine hoses. Unlike rubber hoses which can degrade and burst over time, braided stainless steel offers superior durability and resistance to kinking and pressure, significantly reducing the risk of a catastrophic leak. Ensure they come with new rubber washers for a proper seal.

How tight should I connect the new hoses to ensure they don't leak without overtightening them?

Connect the hoses hand-tight first, then use your pliers to tighten them an additional quarter to half a turn. Overtightening can strip threads or damage the rubber washer, leading to leaks. The goal is a snug fit that compresses the washer just enough to create a watertight seal.