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Evaluate for a Permanent Solution — Develop a Water Heater Replacement Timeline

Beginner1 hour

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Water Heater Lifespan: Estimating Replacement & Planning · Step 3 of 3

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In this video

Evaluate the water heater's age and overall condition to decide on a permanent fix. The video explains that because the valve was cracked and the tank was 17 years old, the homeowner opted to replace the entire unit rather than just repair the faulty valve. This is often the wisest choice for very old heaters, as other components may fail soon.

Goal: Decide on permanent repair or replacement

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This Old House

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FAQs

What essential tools do I need to accurately locate and read my water heater's serial number, especially in tight or dark spaces?

You'll primarily need a good flashlight and your smartphone camera. The camera can help you take a clear picture of the label if it's in an awkward position or hard to read directly. A small mirror might also be useful for seeing around corners or obscured labels.

Are there any safety precautions I should take before attempting to locate or inspect my water heater's serial number?

Always be aware of your surroundings; gas water heaters have gas lines and electric models have electrical connections. Avoid touching hot surfaces or anything you are unsure about. While this task is low risk, if you smell gas or see frayed wires, do not proceed and contact a professional immediately.

How challenging is it to find and decode the serial number, and what if I can't locate or decipher it?

Finding the serial number is usually beginner-friendly, but can be tricky if the label is obscured or damaged. If you can't find it after checking all sides of the tank, or if it's unreadable, try searching online for 'your water heater brand serial number location' or contact the manufacturer's customer service with photos of the unit.

Once I've found the serial number, what's the easiest way to decode the manufacturing date?

Most manufacturers embed the year and sometimes the week or month in the serial number. The quickest method is to search online for '[Your Water Heater Brand] serial number date code.' Many brands have online decoders or charts, or you can often call their customer service for assistance.

Transcript
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In some cases, the drain valve may have cracked at the threads and will leak as shown in this video. Since this tank was 17 years old, the homeowner decided to replace the tank.

Auto-generated transcript. May contain errors.