![A.O. Smith Signature 100 40-Gallon Tall 6-year Warranty 40000-BTU Natural Gas Water Heater in the Water Heaters department at Lowes.com A.O. Smith Signature 100 40-Gallon Tall 6-year Warranty 40000-BTU Natural Gas Water Heater in the Water Heaters department at Lowes.com](https://mobileimages.lowes.com/productimages/bc4f17bc-94cf-4804-9019-827ab95fa6a0/42582247.jpg?size=pdhism)
A.O. Smith Signature 100 40-Gallon Tall 6-year Warranty 40000-BTU Natural Gas Water Heater in the Water Heaters department at Lowes.com
![A.O. Smith Signature 100 40-Gallons Tall 12-year Warranty 40000-BTU Natural Gas Water Heater in the Water Heaters department at Lowes.com A.O. Smith Signature 100 40-Gallons Tall 12-year Warranty 40000-BTU Natural Gas Water Heater in the Water Heaters department at Lowes.com](https://mobileimages.lowes.com/productimages/7699a9ed-d615-4da8-8845-81a36f02b672/09560736.jpg)
A.O. Smith Signature 100 40-Gallons Tall 12-year Warranty 40000-BTU Natural Gas Water Heater in the Water Heaters department at Lowes.com
![A.O. Smith Signature 300 40-Gallons Tall 12-year Warranty 40000-BTU Natural Gas Water Heater in the Water Heaters department at Lowes.com A.O. Smith Signature 300 40-Gallons Tall 12-year Warranty 40000-BTU Natural Gas Water Heater in the Water Heaters department at Lowes.com](https://mobileimages.lowes.com/productimages/f2fb78c8-afdf-40ba-945d-098536c631cc/08021325.jpg?size=pdhism)
A.O. Smith Signature 300 40-Gallons Tall 12-year Warranty 40000-BTU Natural Gas Water Heater in the Water Heaters department at Lowes.com
![AO Smith 40 Gallon ProLine Master Atmospheric Vent Residential Gas Water Heater, Ultra-Low Nox - Tall Model (NG) - Amazon.com AO Smith 40 Gallon ProLine Master Atmospheric Vent Residential Gas Water Heater, Ultra-Low Nox - Tall Model (NG) - Amazon.com](https://m.media-amazon.com/images/I/117Oxd6KvgL._AC_UF894,1000_QL80_.jpg)
AO Smith 40 Gallon ProLine Master Atmospheric Vent Residential Gas Water Heater, Ultra-Low Nox - Tall Model (NG) - Amazon.com
A.O.SMITH A.O. Smith Gas Water Heater Signature 500 Series 40-Gallons with LED indicator G6C-S4040NVR | RONA
![ProMax® 40-Gallon Gas Water Heater GCV-40 - Weldons Comfort Heating, A/C & PlumbingWeldons Comfort Heating, A/C & Plumbing ProMax® 40-Gallon Gas Water Heater GCV-40 - Weldons Comfort Heating, A/C & PlumbingWeldons Comfort Heating, A/C & Plumbing](https://weldonscomfort.com/wp-content/uploads/2014/03/gaswaterheater760.jpg)
ProMax® 40-Gallon Gas Water Heater GCV-40 - Weldons Comfort Heating, A/C & PlumbingWeldons Comfort Heating, A/C & Plumbing
![A.O.SMITH A.O. Smith Gas Water Heater Signature 500 Series 40-Gallons with LED indicator G6C-S4040NVR | RONA A.O.SMITH A.O. Smith Gas Water Heater Signature 500 Series 40-Gallons with LED indicator G6C-S4040NVR | RONA](https://cdn.rona.ca/images/01355070_M.jpg)
A.O.SMITH A.O. Smith Gas Water Heater Signature 500 Series 40-Gallons with LED indicator G6C-S4040NVR | RONA
![AO Smith 40 Gallon - 36,000 BTU ProLine Plus High Efficiency Residential Gas Water Heater - Tall Model, LP Gas (10 Yr Warranty) - Amazon.com AO Smith 40 Gallon - 36,000 BTU ProLine Plus High Efficiency Residential Gas Water Heater - Tall Model, LP Gas (10 Yr Warranty) - Amazon.com](https://m.media-amazon.com/images/I/31qZbYCY52L._AC_UF894,1000_QL80_.jpg)
AO Smith 40 Gallon - 36,000 BTU ProLine Plus High Efficiency Residential Gas Water Heater - Tall Model, LP Gas (10 Yr Warranty) - Amazon.com
![AO Smith, XCR-40 410, ProLine, 40-Gallon, Atmospheric Vent, Tall, Natural Gas, Water Heater | FreemanLiquidators $629.99 AO Smith, XCR-40 410, ProLine, 40-Gallon, Atmospheric Vent, Tall, Natural Gas, Water Heater | FreemanLiquidators $629.99](https://freemanliquidators.com/cdn/shop/files/XCR-404102_1024x1024@2x.jpg?v=1702938555)
AO Smith, XCR-40 410, ProLine, 40-Gallon, Atmospheric Vent, Tall, Natural Gas, Water Heater | FreemanLiquidators $629.99
![A.O. Smith Signature 100 40-Gallons Tall 6-year Warranty 32000-BTU Natural Gas/Liquid Propane Water Heater in the Water Heaters department at Lowes.com A.O. Smith Signature 100 40-Gallons Tall 6-year Warranty 32000-BTU Natural Gas/Liquid Propane Water Heater in the Water Heaters department at Lowes.com](https://mobileimages.lowes.com/productimages/03e6079f-1350-4e5d-8687-d915eeb5bde5/08031217.jpg?size=pdhism)
A.O. Smith Signature 100 40-Gallons Tall 6-year Warranty 32000-BTU Natural Gas/Liquid Propane Water Heater in the Water Heaters department at Lowes.com
![A.O. Smith Signature 100 40-Gallon Short 6-year Warranty 40000-BTU Natural Gas Water Heater in the Water Heaters department at Lowes.com A.O. Smith Signature 100 40-Gallon Short 6-year Warranty 40000-BTU Natural Gas Water Heater in the Water Heaters department at Lowes.com](https://mobileimages.lowes.com/productimages/6406844c-1444-4964-ab32-4557263b68a7/08020904.jpg)