RESIDENTIAL PRODUCT CATALOG - Hot Water from A. O. …

To select the right A. O. Smith water heater, consider the size of your family and other factors that contribute to your First Hour Rating (FHR) Requirement. This chart provides suggested A. O. Smith residential water heater selection guidelines for several family sizes. SIMPLE TANK TYPE SIZING RESIDENTIAL WATER HEATER SELECTION GUIDE 1 2 3

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  Guide, Product, Water, Smith, Hot water

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