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Products > Aluminum/Zinc Anodes, Peroxide Fix Hardware

What you'll find here: Solutions to rotten-egg odor in water heaters when a water softener is NOT being used.

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We accept credit cards securely or you can use PayPal. We strongly recommend that you read the details page for each item. There is information that will help you order wisely. We want to solve your problems, not cause you grief. Click on these links to learn more about: Shipping, Return Policy, Miscellaneous Details.

There is a lot of information to help you solve problems, make water heaters last, and to help you decide what products you need. If you're still confused even after reading it, you can buy a consultation for $40 and I'll scope out your situation and make recommendations. And, if I recommend a product and you buy it from me within 10 days, I'll refund the $40. You can also consult the Anode Buying Guide. -- Randy Schuyler

Solid Hex-head Aluminum/zinc Anode Rod
SKU11 $49
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Flexible Hex-head Aluminum/zinc anode rod
SKU12 $52
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Solid combo aluminum/zinc anode rod
SKU13 $46
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Flexible combo aluminum/zinc anode rod
SKU14 $55
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Peroxide fix plumbing assembly
For vacation cabins that sit idle for more than a few weeks.
A brass ball valve, brass tee, brass nipples, and plastic-lined steel nipple that, when put together, will permit easy application of hydrogen peroxide to heaters that sit idle for long periods, to control rotten-egg odor.
SKU28 $77
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Shipping is by UPS Ground within the contiguous United States and Priority Mail to Canada, Alaska and Hawaii. UPS does not deliver to post boxes. Allow about a week for shipping. We try for shipment within one business day of receipt, and when we've set up the order, we can give you estimated delivery date and a tracking number. The shopping cart generates an invoice and automated response, but you should hear from us fairly soon thereafter. If there is any hitch with your order, we'll tell you immediately. If you don't hear from us, check your e-mail junk folder. Occasionally spam blockers divert our mail.


Doing it yourself: The products offered here are designed to make water heaters last longer, or solve specific problems. Installation is potentially do-it-yourself, but if you have the least doubt about your abilities, we suggest that you obtain expert help.

Also, it's better to make sure you can loosen the factory anode or pipe nipples before you order. That's easier than ordering and then having to return it. But, too, a plumber can probably get it out even if you can't, so consider that as an option.

Anodes and flush kits are of a standard size used by the whole American water heater industry. They will fit all residential tanks with 3/4-inch plumbing.

If you're ordering a flush kit or Water Heater Rescuer Kit, please send an e-mail specifying the distance from the top to the drain valve, as well as the brand to mail@waterheaterrescue.com. Questions regarding parts can also be sent there. Also, if you're getting a maximum-insulation tank, as we recommend, tell us so that we can include a 4-inch drain valve nipple.

IMPORTANT! If you have an electric water heater made after April 2015 by A.O. Smith, State, Kenmore, Reliance, American, Maytag or Whirlpool, let us know because you may need a product with pipe nipple longer than what we usually provide.

An aluminum anode with flat hex head is compared to a magnesium one with a hex head with a bump

About anodes: If you contemplate adding an anode to a new tank, make sure both rods are of the same metal. Otherwise, the magnesium rod will be consumed more rapidly in the presence of an aluminum one and you won't get as long a life. How do you tell them apart? An aluminum hex head will be flat on top, while a magnesium rod will have a bump, as in the photo at left. The exception to that is Rheem and its sub-brands, Ruud/Richmond/General Electric. As far as we know, Rheem always uses magnesium even though there is no bump on top of its anodes. On the other hand, if the tank is five years old or more, having dissimilar metals is less of an issue, since the original one will likely be largely consumed.

Return Policy

Merchandise in original condition can usually be returned within 120 days for a full refund of the purchase price, not including shipping. Write to mail@waterheaterrescue.com for instructions and authorization. If the electrode on a powered anode has been stretched out and/or immersed in water, the device cannot be returned.


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Water Heater Anodes• Smelly Water Heater Solutions