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.

AO Smith® Gas Water Heater, Modulating, Series: BTH-120, 120000 Btu/hr Heating, Natural Gas, 3/4 in NPT Gas Connection, 60 gal Tank, Direct Spark Ignition, Direct/Power Vent, 3 in Vent Size, 461 gph at 30 deg F Rise Recovery, 95 % Energy Efficient, 1-1/2 in NPT Water Connection, 160 psi, 90 to 180 deg F, Tall or Short: Tall, Ultra Low NOx: Yes, ASME Yes/No: Yes, Glass Lined Steel, 27-3/4 in Dia x 55-1/2 in H

• Up to 98% thermal efficiency dramatically lowers operating costs
• Modulating models adjust firing rate to the specific demand further increasing efficiency and money savings
• Our exclusive advanced electronic control with built-in diagnostics, is network ready for remote monitoring

• Catalog https://www.hirsch.com//ASSETS/DOCUMENTS/ITEMS/EN/AOSmith_100234868_Catalog.pdf
• Instruction/Installation Manual https://www.hirsch.com//ASSETS/DOCUMENTS/ITEMS/EN/AOSmith_100234868_Manual.pdf
• Line Drawing https://www.hirsch.com//ASSETS/DOCUMENTS/ITEMS/EN/AOSmith_100234868_Line_Drawing.pdf
• Specification Sheet https://www.hirsch.com//ASSETS/DOCUMENTS/ITEMS/EN/AOSmith_100234868_Specification_Sheet.pdf