199 MBH Indoor Condensing Natural Gas Tankless Water Heater

Part #AATI540H00N000000  |  Item #4423860  |  Manufacturer Part #100123378

$2,158.00 EACH

Fuel Type:

Packaging Info:
  • Quantity Per 
  • Each: 1
  • Inner pack: 1
  • Pallet: 12

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This Item: A.O. Smith 199 MBH Indoor Condensing Natural Gas Tankless Water Heater /$2,158.00

Product Details

  • Continuous maximum flow rates up to 10.0 gpm
  • Energy Star® qualified
  • Factory-installed power cord
  • Includes integrated temperature controls and advanced diagnostics to simplify troubleshooting
  • Primary heat exchanger is constructed of HRS35, a commercial grade copper that is more resilient to erosion
  • Internal freeze protection system
  • 15 year limited warranty on heat exchanger in residential applications, 10 year limited warranty on heat exchanger in commercial applications, 5 year limited warranty on all parts


AMP: 0.74

ANSI Specifications: ANSI 5, ANSI Z21.10.3

Application: Commercial, Residential

BTU: 199000

CEC Compliant: For Sale in CA

CSA Certified: CSA 4.3

Condensing: Yes

Depth: 11-1/4 in

Duct Size: 4 in

Emission: Ultra Low Nox

End Connection 1: MNPT

End Connection 2: MNPT

End Connections: MNPT

Energy Star Compliant: Yes

Flow Rate: 10 gpm

Fuel Type: Natural Gas

Green: Energy Star, Yes

Height: 23-5/8 in

High Pressure: 150

IAPMO Listed: Yes

Ignition System: Electronic Ignition

Indoor Outdoor: Indoor

Low Pressure: 15

MBH: 199

Material: Copper, Stainless Steel

Material Type: 316L

Maximum Temperature: 140

Minimum Temperature: 99

NSF Certified: Yes

NSF Specifications: NSF 5

Power Source: Gas

SCAQMD Compliant: Yes

Supply Pipe Connection: 3/4 in

UL Listed: No

Uniform Energy Factor UEF : 0.95

Vent Type: Power Direct Vent

Volts: 120V

Water Heater Type: High Efficiency, Tankless

Weight: 59

Width: 17-3/4 in