AO Smith BTH-500A Cyclone FLEX 119-Gallon Condensing Commercial Gas Water Heater with Adaptive Gas Technology
AO Smith BTH-251 400 Cyclone FLEX 119-Gallon Condensing Gas Water Heater with Adaptive Technology for Efficient Performance
AO Smith BTH-300 400 Cyclone FLEX 119-Gallon Commercial Gas Water Heater with Adaptive Gas Technology and Efficiency
AO Smith BTH-400 Cyclone FLEX 119-Gallon Condensing Gas Water Heater with Adaptive Gas Technology for Efficient Performance
AO Smith BTH-500 Cyclone FLEX 119-Gallon Commercial Gas Water Heater with Adaptive Gas Technology Efficiency
AO Smith BTH-251 401 Cyclone FLEX 119-Gallon Gas Water Heater with Adaptive Technology for Efficient Performance
AO Smith BTH-300 401 Cyclone FLEX 119-Gallon Commercial Gas Water Heater with Adaptive Technology and Efficiency
AO Smith BTH-400 401 Cyclone FLEX 119-Gallon Condensing Gas Water Heater with Adaptive Gas Technology and Efficiency
AO Smith BTH-500 Cyclone FLEX 119-Gallon Commercial Gas Water Heater with Adaptive Technology for Efficient Performance