A.O. Smith

A.O. Smith® 100119111 BTR-180 Dampered Gas Water Heater, 81 gal Tank, Natural Gas Fuel

AOSBTR180N MFG #: 100119111
A.O. Smith® 100119111 BTR-180 Dampered Gas Water Heater, 81 gal Tank, Natural Gas Fuel
  • Fuel Type: Natural Gas
  • Ignition Type: Intermittent Electronic
  • Tall or Short: Tall
  • Tank Capacity: 81 gal
  • Ultra Low NOx: No
  • ASME(Yes / No): No
  • Dimensions: 67-1/2 in H
  • Energy Efficiency: 80
  • Gas Connection: 1/2 in
  • Manufacturer: A.O. Smith
  • Manufacturer #: 100119111
  • Pressure Rating: 160 psi
  • Recovery Rate: 434 gph at 40 deg F Rise
  • Series: BTR-180
  • Temperature Rating: 120 to 180 degF
  • Vent Size: 6 in
  • Water Connection: 1-1/2 in NPT
The Master-Fit® BTR series provides outstanding performance and maximum installation flexibility for both new construction and replacement applications. Multiple options for placement of water connections and low installation clearances are additional installer-friendly features.

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

A.O. Smith® Master-Fit® Gas Water Heater, Dampered, Series: BTR-180, 180000 Btu/hr Heating, Natural Gas, 1/2 in Gas Connection, 81 gal Tank, Intermittent Electronic Ignition, 6 in Vent, 434 gph at 40 deg F Rise Recovery, 80% Energy Efficient, 1-1/2 in NPT Water Connection, 160 psi, 120 to 180 deg F, Tall, Ultra Low NOx: No, ASME(Yes/No): No, 67-1/2 in H
  • Features
  • Includes
  • Effikal automatic flue damper minimizes standby heat loss to achieve 80% thermal efficiency
  • Inlet/outlet connections located top, front and rear for greater installation flexibility
  • Space-saving units are up to one foot shorter than models they replace
  • Installs standalone, manifolded or connected to storage tanks
Power On/Off Switch