AO Smith High Efficiency Residential Water Heaters

With higher efficiency ratings and groundbreaking designs, these AO Smith water heaters are part of an exciting new era in water heating. Here you will find Effex water heaters, the Next Hybrid water heater, electric indirect solar booster water heaters, and the Voltex electric water heater.

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  • 40 Gallon - 40,000 BTU Effex High Efficiency Residential Gas Water Heater View Specs
    • SKU: GAHH-40
    • Brand: AO Smith
    In Stock!
    Ships in 24-48 Hrs (3 Avail)

    $808.99 / each

    $1,579.90 / box
    2 x $789.95

    Free Shipping
  • 50 Gallon - 40,000 BTU Effex High Efficiency Residential Gas Water Heater View Specs
    • SKU: GAHH-50
    • Brand: AO Smith
    Out of Stock
    Allow 2 Weeks to Ship Out

    $792.99 / each

    $1,547.90 / box
    2 x $773.95

    Free Shipping
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