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Visually Inspect the Tank's Position — Thoroughly Inspect Your Water Heater for Issues

Beginner1 hour

Part of project

Water Heater Replacement Guide: Age, Signs & Steps · Step 2 of 4

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In this video

Visually inspect the water heater expansion tank. If it is installed horizontally, observe if it is sagging or sloping downwards. A properly functioning tank should maintain its horizontal position. Sagging indicates that the tank is full of water due to a ruptured internal bladder, making it extremely heavy. This is the first and most obvious sign of failure.

Goal: Check for sagging of the expansion tank

  • Tapping on the bottom half of a working tank should sound hollow, while tapping on a failed, water-logged tank will sound solid.
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FAQs

What safety precautions should I take when inspecting my water heater for replacement signs?

Always turn off the power to electric water heaters at the breaker and the gas supply for gas models before inspection. Be cautious of hot surfaces and potential water leaks. If you detect any gas odor, leave the area immediately and contact your gas company or emergency services.

What specific tools or equipment are essential for thoroughly inspecting my water heater as part of this guide?

For this initial assessment, a flashlight is crucial for inspecting dark areas and potential leaks. A camera or smartphone can be helpful to document any observed issues like rust or corrosion. Keep a pen and paper handy to note down model numbers and observations.

The guide says "beginner" difficulty and "1 hour" estimated time. Does this cover the actual water heater replacement?

No, the "beginner" difficulty and "1 hour" estimate apply solely to the *assessment phase* of deciding if your water heater needs replacement. Actual water heater replacement is a complex job that usually requires professional tools, significant time (several hours), and expertise, making it an advanced DIY project or best left to a qualified plumber.

I can't find the manufacturer's label or determine the age of my water heater. What should I do?

The label is typically a sticker located on the side of the tank. If it's unreadable, search online using the water heater's brand and model number; many manufacturers provide online date code decoders. If all else fails, a plumber can often identify the age during a service call.

Transcript
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My water heater expansion tank is no longer horizontal. You can see it's sloping downward slightly. That's because this whole tank is filled with water and it's heavy now instead of an air water mixture. We can use this bicycle tire

Auto-generated transcript. May contain errors.