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- 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-199, 199000 Btu/hr Heating, Natural Gas, 1/2 in Gas Connection, 81 gal Tank, Intermittent Electronic Ignition, 6 in Vent, 482 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
- 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
- Fuel TypeNatural GasIgnition TypeIntermittent ElectronicTall or ShortTallTank Capacity81 galUltra Low NOxNoASME(Yes / No)NoDimensions67-1/2 in HEnergy Efficiency80Gas Connection1/2 inManufacturerA.O. SmithManufacturer #100119126Pressure Rating160 psiRecovery Rate482 gph at 40 deg F RiseSeriesBTR-199Temperature Rating120 to 180 degFVent Size6 inWater Connection1-1/2 in NPT