A. O. Smith Manuals & User Guides

AO Smith Corporation is a prominent global manufacturer providing comprehensive water heating and water treatment solutions. With over a century of history, the company offers a diverse portfolio of products including gas, electric, hybrid, and tankless water heaters for both residential and commercial applications. Beyond heating, A. O. Smith engineers advanced water filtration systems, water softeners, and boilers designed to improve water quality and energy efficiency.

Renowned for its innovation and commitment to sustainability, A. O. Smith focuses on high-efficiency technologies that reduce energy consumption while delivering consistent performance. Whether for a single-family home or a large commercial facility, A. O. Smith products are built to meet rigorous standards of durability and safety. The brand also provides extensive customer support, parts availability, and warranty services to ensure long-term satisfaction.

• Where can I find the model and serial number on my water heater?

  The model and serial number are typically located on the rating plate, which is a sticker found on the side of the water heater tank.

• How do I verify my A. O. Smith warranty status?

  You can verify your warranty status by entering your serial number on the Warranty Verification page of the A. O. Smith webtapak.

• How often should I replace the filter in my A. O. Smith water filtration system?

  For most 2-stage drinking water systems, it is recommended to replace the filters every 6 months or every 500 gallons of use, whichever comes first.

• What should I do if my water heater is leaking?

  If your water heater is leaking, turn off the water supply to the unit and the power source (gas or electric) immediately, then contact a qualified service technician or A. O. Smith support.

• How do I register my new A. O. Smith product?

  You can register your product online via the Product Registration section on the A. O. Smith (Hotwater.com) website to ensure your warranty is recorded.