1. 50 Gallon - 76,000 BTU Vertex Power-Vent Residential Gas Water Heater 50 Gallon - 100,000 BTU Vertex 100 Power Direct Vent Residential Gas Water Heater (Nat Gas) 50 Gallon - 100,000 BTU Vertex 100 Power Direct Vent Residential Gas Water Heater (LP Gas) Bell & Gossett Concentric Vent Kit for Vertex Water Heaters AO Smith Vertex water heaters take high-demand homes to the pinnacle of hot water availability. With its fully-condensing design, Vertex delivers "continuous hot water" - shower after shower, hour after hour. Vertex is easy to install, with dimensions and installation requirements comparable to standard power direct-vent units

2. 24 products shown ProMax High Recovery Water Heaters 40 Gallon ProMax High Recovery 6 Yr Warranty Residential Water Heater 98 Gallon ProMax High Recovery 6 Yr Warranty Residential Water Heater (LP Gas) Great for big families and high demand applications, AO Smith ProMax high recovery water heaters are engineered to help lower your energy bills and provide exceptional reliability. They go the extra mile in safety innovation with C3 Technology that protects against accidental ignition of flammable vapors

3. AO Smith ProMax residential gas water heaters deliver great value and reliability. The heaters in this category come with a 6 year tank/6 year parts limited warranty. All ProMax water heaters are engineered to help lower your energy bills and provide exceptional reliability. They go the extra mile in safety innovation with C3 Technology that protects against accidental ignition of flammable vapors 40 Gallon ProMax 6 Yr Warranty Residential Gas Water Heater - Tall Model 40 Gallon ProMax SL Standard Vent 6 Yr Warranty Residential Gas Water Heater

4. 40 Gallon - 40,000 BTU Series 100 High Efficiency Residential Water Heater, Tall Model (Nat Gas) 50 Gallon - 40,000 BTU Series 100 High Efficiency Residential Water Heater, Tall Model (Nat Gas) 40 Gallon - 40,000 BTU Series 100 High Efficiency Residential Water Heater, Short Model (Nat Gas) ` These Series 100 high efficiency AO Smith residential gas water heaters are Energy Star rated and feature automatic flue damper, electronic gas control, Green Choice gas burner, and Coregard anode rode, among other features.

5. AO Smith Conservationist residential gas water heaters provide maximum energy savings and reliability. Its DynaClean II system is your safeguard against lime and sediment buildup. And its Blue Diamond glass coating delivers more than twice the corrosion resistance of industry standard glass lining 50 Gallon - 40,000 BTU Conservationist Standard Vent Residential Gas Water Heater (Nat Gas) 40 Gallon - 36,000 BTU Conservationist Standard Vent Residential Gas Water Heater (LP Gas) 40 Gallon - 36,000 BTU Conservationist Standard Vent Residential Gas Water Heater (LP Gas)

6. 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 40 Gallon - 40,000 BTU Effex High Efficiency Residential Gas Water Heater 50 Gallon - 40,000 BTU Effex High Efficiency Residential Gas Water Heater 100,000 BTU NEXT Hybrid Residential Gas Water Heater

7. This category consists of a variety of AO Smtih Solar Water Heaters, including ProMax Booster heaters and Cirrex Indirect Solar Booster heaters. 76 Gallon - 4,500 Watt Cirrex Residential Electric Indirect Solar Booster Water Heater 108 Gallon - 4,500 Watt Cirrex Residential Electric Indirect Solar Booster Water Heater 120 Gallon - 4,500 Watt ProMax Residential Electric Indirect Solar Booster Water Heater

8. AO Smith ProMax water heaters are engineered to help lower your energy bills and provide exceptional reliability. They go the extra mile in safety innovation with C3 Technology that protects against accidental ignition of flammable vapors. 40 Gallon - 40,000 BTU ProMax Power Vent Residential Gas Water Heater 40 Gallon - 40,000 BTU ProMax Power Vent Residential Gas Water Heater (LP Gas) 74 Gallon - 80,000 BTU ProMax Power Vent Residential Gas Water Heater (w/ Side Plumbing)

9. AO Smith ProMax residential gas water heaters deliver great value and reliability. The heaters in this category come with a 10 year tank/6 year parts limited warranty. All ProMax water heaters are engineered to help lower your energy bills and provide exceptional reliability. They go the extra mile in safety innovation with C3 Technology that protects against accidental ignition of flammable vapors. 40 Gallon ProMax 10 Yr Warranty Residential Gas Water Heater - Tall Model 50 Gallon ProMax 10 Yr Warranty Residential Gas Water Heater - Short Model (LP Gas) 50 Gallon ProMax 10 Yr Warranty Residential Gas Water Heater - Short Model (LP Gas)

10. This category contains AO Smith ProMax Power Direct Vent and ProMax Direct Vent residential gas water heaters. 40 Gallon ProMax Direct Vent Residential Water Heater 75 Gallon ProMax Power Direct Vent Residential Water Heater, w/ 5' of 3" CPVC Vent Pipe (LP Gas)

11. AO Smith ProMax electric water heaters offer exceptional energy savings and durability. There are plenty of installation choice with ProMax electric water heaters, including tall, short and lowboy models. 40 Gallon ProMax Residential Electric Water Heater - Tall Model (10 Yr Warranty) 66 Gallon ProMax Plus High Efficiency Residential Electric Water Heater - Tall Model 50 Gallon ProMax Plus High Efficiency Residential Electric Water Heater – Tall Model (10 Yr Warranty)

12. This category contains the Voltex hybrid electric heat pump water heater manufactured by AO Smith, and the Accelera 300 heat pump water heater manufactured by Stiebel Eltron. Both water heaters are Energy Star rated and are highly energy efficient. 80 Gallon Accelera 300 Residential Heat Pump Water Heater 60 Gallon Voltex Residential Hybrid Electric Heat Pump Water Heater 80 Gallon Voltex Residential Hybrid Electric Heat Pump Water Heater