A.O. Smith Commercial Tank Water Heaters

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Fuel Type

To create heat, some form of fuel is required. Fuel Type specifies what the product uses as an input to create heat.

Liquid Propane (2)

Natural Gas (7)

Storage Volume (Gallons)

100 (4)

119 (3)

60 (2)

Maximum Input Capacity (BTU)

The Maximum Input Capacity describes how quickly the appliance will use fuel when delivering it's maximum capacity. The units may change depending on the fuel being used.

120000 - 149999 (2)

150000 - 179999 (1)

180000 - 209999 (2)

240000 - 269999 (1)

300000 - 329999 (1)

390000 - 419999 (1)

480000+ (1)

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Thermal Efficiency (%)

95 (4)

96 (2)

97 (2)

98 (1)

First Hour Delivery (Gallons)

Sometimes called First Hour Rating, this is the number of gallons of hot water the heater can supply per hour when starting with a fully heated tank. The recovery of the water heater depends on your boiler's BTU and boiler output temperature.

150 - 199 (2)

200 - 249 (1)

300 - 349 (2)

350 - 399 (1)

400 - 449 (1)

500 - 549 (1)

650 - 699 (1)

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Continuous Recovery Rate (Gallons)

150 - 199 (3)

250 - 299 (2)

300 - 349 (1)

350 - 399 (1)

500 - 549 (1)

600 - 649 (1)

Combustion Type

Condensing appliances use leftover thermal energy from combustion gases to heat water in a secondary heat exchanger, resulting in higher efficiency and lower exhaust temperature.

Modulating (9)

Low NOx Emissions

NOx is a byproduct of the combustion process, and it's output is regulated in some jurisdictions. Many regulators mirror SCAQMD rules, which regulate air quality for some parts of Southern California. Low NOx appliances emit less than 40 ng/J (nanogram per Joule) of NOx. Learn More

Yes (2)

Medium

Medium refers to the substance that carries heat through the heating system. Systems are either designed to use either Hot Water or Steam as a medium, and components are usually specific to one or the other.

Hot Water (9)

Mount Type

Floor (9)

Product Line

Cyclone Mxi (9)

Storage Type

Tank (9)

Type

Gas Water Heater (9)

Ultra Low NOx Emissions

NOx is a byproduct of the combustion process, and it's output is regulated in some jurisdictions. Many regulators mirror SCAQMD rules, which regulate air quality for some parts of Southern California. Ultra Low NOx appliances emit less than 10-14 ng/J (nanogram per Joule) of NOx. Learn More

Yes (7)

Vent Type

Products that use combustion (burning) of fuel to create heat also create potentially dangerous gasses that need to be exhausted (AKA "Vented"). Depending on the product, venting can be done via a chimney, through a side wall, or use a second vent to provide fresh air to the appliance.

Direct Vent (9)

Brand

A.O. Smith Commercial (9)

Learn More About A.O. Smith Commercial BTH-199

A.O. Smith - 100 Gal. Storage - 305 Gal. First Hour Delivery - 97% Thermal Efficiency - Natural Gas Water Heater - Direct Vent

Model: BTH-199

261 GPH Continuous Recovery Rate at 90

49% Buy This

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Factory-Direct

Free Shipping & Lift Gate

*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.

2% Check Discount

Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.

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