![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
![A.O. Smith® 100223056 40 Gallon Gas Water Heater, 32000 Btu/hr Heating, Natural Gas Fuel, Atmospheric Vent, Magnesium Anode Rod, Tall | First Supply A.O. Smith® 100223056 40 Gallon Gas Water Heater, 32000 Btu/hr Heating, Natural Gas Fuel, Atmospheric Vent, Magnesium Anode Rod, Tall | First Supply](https://d2yn8sruhmqjt4.cloudfront.net/userfiles/images/inriver/original/68476_a_o_smith_fmdv3000l010000.jpg)
A.O. Smith® 100223056 40 Gallon Gas Water Heater, 32000 Btu/hr Heating, Natural Gas Fuel, Atmospheric Vent, Magnesium Anode Rod, Tall | First Supply
![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](http://mobileimages.lowes.com/productimages/49e88092-c38f-4d39-8c9a-617e4b50889a/09560716.jpg?size=sm)
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 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)
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 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
![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)