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A.O. Smith continues to lead the way in residential and commercial water heating with close to 70 years of innovative hot water solutions. The GAHH-50 features the latest in atmospheric-vented water heating, making it an ideal choice for those looking to replace out of date, inefficient water heaters. A patented pressurized combustion chamber and advanced air intake blower helps deliver an optimal air-to-gas mixture, giving you top of the line water heating efficiency. This results in a .70 energy factor and more dollars in your pocket. The 50 gallon tank and 43 gallon per hour recovery rate mean it can easily keep up with the hot water needs of an average household.
Pressurized Combustion System
The Effex line features an atmospheric vent system, which allows the unit to distribute an optimal air-to-gas mixture, resulting in one of the most efficient gas powered water heaters on the market.
Electronic Gas Control
Designed with optimized performance in mind, the GAHH-40 uses intelligent control logic to control the flow of fuel into the unit. This means better performance and a more efficient heating rate.
User-Friendly Electronic Interface
A built-in easy to read controller on the unit gives you easy access to temperature settings, operating mode, and multiple diagnostics to make sure your unit is running exactly how you want it.
Dynaclean Diffuser Dip Tube
The diffuser dip tube helps reduce lime and sediment buildup by redirecting incoming cold water to create turbulence. Helping your unit to run longer and better.
Powered Anode Rods
These hot water heaters feature powered anode rods which are non-sacrificial, so they do not deplete over time. This also allows them to operate in all water conditions.