AO Smith® Cyclone® Mxi 100234935 BTH-300A Modulating High Efficiency Gas Water Heater, 119 gal Tank, 300000 Btu/hr Heating, Natural Gas Fuel, Power Direct Vent, Direct Spark Ignition, Tall or Short: Tall, Ultra Low NOx: Yes

AO Smith® Cyclone® Mxi Gas Water Heater, Modulating High Efficiency, Series: BTH-300A, 300000 Btu/hr Heating, Natural Gas, 1-1/2 in NPT Gas Connection, 119 gal Tank, Direct Spark Ignition, Power Direct Vent, 4 in Vent Size, 388 gph at 90 deg F Rise Recovery, 0.96 Energy Efficient, 1-1/2 in NPT Water Connection, 160 psi, Tall, Ultra Low NOx: Yes, Glass Lined Steel, 33-1/8 in Dia x 75-3/4 in H

The full line of A.O. Smith Cyclone® MXI condensing water heaters has been designed to provide years of dependable service and feature industry leading technology. Models are available from 120000 to 500000 Btu/hr and all deliver thermal efficiencies of 95% and higher. The unique helical coil heat exchanger limits weld joints for optimal service life while maximizing heat transfer. Cyclone® is the industry leader in high efficiency commercial water heating. The current Mxi modulating models adjust firing rate to the specific demand further increasing efficiency and money savings.