ProLine® XE 199 MBH Indoor Condensing Propane Tankless Water Heater with Scale Prevention Technology

Part #SGTS540X3PIH  |  Item #9562868  |  Manufacturer Part #100344733

$2,508.00 EACH

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Product Details

  • X3™ scale prevention technology
  • 25x better heat transfer than stainless steel thus stabilizing outgoing water temperature quicker and reducing pressure drop across the heat exchanger
  • Includes freeze, overheat, surge protection and troubleshooting diagnostic codes
  • The comprehensive line of A. O. Smith tankless water heaters are an excellent whole-home water heating solution that supply endless hot water
  • Exhaust & water temperature safety control
  • Overheat cut-off fuse
  • Air-fuel ratio (AFR) sensor
  • 15 year limited warranty on heat exchanger in residential applications


ANSI Specifications: ANSI Z21.10.3

Application: Residential

BTU: 199000

CEC Compliant: Not for Sale in CA

CSA Certified: CSA 4.3

Collection: ProLine® XE

Condensing: Yes

Depth: 11-1/4 in

Emission: Ultra Low Nox

End Connection 1: NPT

End Connection 2: NPT

End Connections: NPT

Energy Star Compliant: Yes

Flow Rate: 10 gpm

Fuel Type: Propane

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

NSF Certified: No

Power Source: Gas

SCAQMD Compliant: Yes

Supply Pipe Connection: 3/4 in

UL Listed: No

Uniform Energy Factor UEF : 0.93

Vent Type: Power Direct Vent

Volts: 120V

Water Connections: Bottom

Water Heater Type: Tankless

Weight: 59

Width: 17-3/4 in