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Lifespan and Warranty Comparison — Research the Typical Lifespan of Your Water Heater

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Hot Water Heater Lifespan: When to Replace Your Water Heater · Step 2 of 3

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The host discusses the expected lifespan and warranty implications. The standard electric unit with a 6-year warranty will likely need replacement in 10-15 years. In contrast, the Marathon unit, with its plastic tank, no rust potential, and no anode rod to replace, is designed to last much longer, potentially 20-30 years, thanks to its lifetime warranty. This longevity is a major factor in its value proposition, as it avoids future replacement costs.

Goal: Water Heater Installation

  • A water heater with a plastic tank and lifetime warranty, like the Rheem Marathon, can eliminate the cost and hassle of future replacements, making it a good choice for a long-term residence.
894.2K views15.0K1 minute 6 seconds
Matt Risinger

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FAQs

What essential tools or equipment do I need to inspect my hot water heater for replacement?

You'll primarily need a flashlight to illuminate hard-to-reach areas and inspect the tank thoroughly. A camera on your phone can also be helpful for documenting issues or getting a better view of cramped spaces. No specialized tools are required for this assessment.

What are the most critical safety precautions to take during the water heater inspection?

Always be mindful of hot pipes and electrical connections. If your water heater is gas-powered and you detect any gas smell (rotten eggs), immediately leave the area, do not operate switches, and contact your gas utility. Avoid touching severely corroded or leaking areas with bare hands.

How can I accurately determine my water heater's age if the label or sticker is missing or unreadable?

The manufacturing date is usually encoded in the serial number, often using a letter for the month and two digits for the year (e.g., F10 for June 2010). You can typically find a deciphering guide on the manufacturer's website or by searching online with your brand and serial number format.

Besides active leaks, what less obvious signs of wear and tear should I look for that indicate my water heater might need replacement?

Look for dried water streaks, discoloration, or corrosion around fittings, the pressure relief valve, and the bottom of the tank, which could signal past or intermittent leaks. Also, listen for persistent popping, rumbling, or banging noises, often indicating significant sediment buildup.

Transcript
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to ten years, and here's what the numbers look like. $4,700, $2,600, and $5,300. Very interesting. So at first, this unit, when you first started watching the video, seemed pretty expensive, $1,000 more for this unit compared to this one right here. But five years later, it's half the cost to operate and install than that initial unit and even the marathon. What the story on the marathon doesn't tell you is that this initial unit with a six-year warranty is probably going to need to get replaced somewhere between year ten and year fifteen. That's kind of an average. Certainly, it could go a little bit more if you did an anode upgrade, if you're flushing it regularly. But typically, these units are going to be replaced in ten to fifteen. On the other hand, this marathon unit, these guys should last, you know, 15, 20, maybe even 30 years. We've got a plastic tank. There's nothing to rust. There's no anode rod to replace. You need to annually maintain them, but you could go a long, long time. So what's the cost of not having to replace a unit after ten or fifteen years and letting it go twice as long? That could be a huge benefit for you, especially if you're planning a retirement house, let's say.

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