Anode for hot water heater tank

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  • 07/21/2019 at 5:12 pm#32197
    CLOC-AdminCLOC-Admin
    Keymaster
        c00per
        I am wondering about those two type of anode that you seen at Rv dealer or online. I have Suburban. From what I see one is made of Magnesium and the other is aluminum. Our camper is at the private campground. They use well water. I am not sure which is better. Thanks!
        Posted: 8:36 AM – Apr 11, 2014
        zachlaplante
        I don’t think it matters. They work because the anode is a preferred corrosion point as compared to the water heater tank. As long as there is some anode to corrode, your tank is protected. They should be checked once a year.
        Posted: 5:10 PM – Apr 11, 2014
        sheff69
        Magnesium is more protective on the electrogalvanic scale, and works better at protecting steel than aluminum.

        I heard Suburban say that if the aluminum rod lasts more than a year, use the magnesium one.
        If the magnesium rod lasts less than a year, use the aluminum one.

        If you get both?
        Your guess is as good as mine.
        Alternate between the two?

        Sheff

        Posted: 10:21 PM – Apr 11, 2014
        JohnD222
        If you have a water softener or naturally soft water, aluminum, else wise the magnesium. For the reasons stated above.

        B.W.Gentry
        Owner/Admin
        2007 Carri-Lite XTRM5
        Breckenridge, TX

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