A.O. Smith
A.O Smith BTH 500 Cyclone® FLEX™ 119-Gallon Condensing Commercial Gas Water Heater w/ Adaptive Gas Technology, Tall NG 500K
Sign In to View Pricing & Availability
- The Cyclone® FLEX™ condensing water heaters by A. O. Smith are designed to meet the demanding needs of commercial applications with advanced adaptive gas technology and maximum flexibility. These water heaters offer exceptional thermal efficiency of 95% or greater, ensuring optimal energy savings and performance. Available in models ranging from 100,000 to 500,000 BTU/h, the Cyclone® FLEX™ series incorporates a unique helical coil heat exchanger that maximizes heat transfer while reducing lime scale buildup, maintaining efficiency over time. The submerged combustion chamber design minimizes radiant heat loss, while the high-efficiency modulating premix powered burner ensures quiet operation and precise combustion control. These features make Cyclone® FLEX™ water heaters a reliable and cost-effective solution for commercial water heating needs.
Looking for model-specific repair or replacement parts? Enter the unit’s serial number into the A.O. Smith Parts Finder.
- ENERGY STAR® certified—95% or greater efficiency, reducing energy costs and maximizing performance
- Adaptive Gas Control System—Automatically adjusts to fuel qualities and abnormalities
- Intelligent Control System—Features a 7-inch color touch display with iCOMM™ connectivity for remote monitoring and precise temperature control
- Condensing / Non CondensingCondensingFuel TypeNatural GasHeating Capacity500,000 BTU/hrIndoor / OutdoorIndoorTall or ShortTallTank Capacity119 galASME (Yes / No)NoManufacturerA.O. SmithManufacturer #100381401Mounting TypefloorPressure Rating160 psiSeriesCyclone FLEXVoltage Rating120 V