A.O. Smith

A.O. Smith® 100120366 BTH-250A Modulating Gas Water Heater, 100 gal Tank

AOSBTH250MN MFG #: 100120366
  • Fuel Type: Natural Gas
  • Ignition Type: Direct Spark
  • Tall or Short: Tall
  • Tank Capacity: 100 gal
  • Ultra Low NOx: Yes
  • Vent Type: Direct
  • ASME(Yes / No): No
  • Dimensions: 27-3/4 in Dia x 76-1/2 in H
  • Energy Efficiency: 96
  • Gas Connection: 3/4 in NPT
  • Manufacturer: A.O. Smith
  • Manufacturer #: 100120366
  • Material: Glass Lined Steel
  • Pressure Rating: 160 psi
  • Recovery Rate: 970 gph at 30 deg F Rise
  • Series: BTH-250A
  • Temperature Rating: 90 to 180 degF
  • Vent Size: 3 in
  • Water Connection: 1-1/2 in NPT
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.

Looking for model-specific repair or replacement parts? Enter the unit’s serial number into the A.O. Smith Parts Finder.

A.O. Smith® Cyclone® Mxi Gas Water Heater, Modulating, Series: BTH-250A, 250000 Btu/hr Heating, Natural Gas, 3/4 in NPT Gas Connection, 100 gal Tank, Direct Spark Ignition, Direct Vent, 3 in Vent, 970 gph at 30 deg F Rise Recovery, 96% Energy Efficient, 1-1/2 in NPT Water Connection, 160 psi, 90 to 180 deg F, Tall, Ultra Low NOx: Yes, ASME(Yes/No): No, Glass Lined Steel, 27-3/4 in Dia x 76-1/2 in H
  • Features
  • Includes
  • 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
Temperature and Pressure Relief Valve