AO SMITH Ao Smith 100344527 ProLine XE Ultra-Low NOx Indoor Natural Gas Tankless Water Heater 199,000 BTU (21.69 L x 16.19 W x 36.75 H)
AO SMITH Ao Smith 100344527 ProLine XE Ultra-Low NOx Indoor Natural Gas Tankless Water Heater 199,000 BTU (21.69 L x 16.19 W x 36.75 H)
AO SMITH Ao Smith 100344527 ProLine XE Ultra-Low NOx Indoor Natural Gas Tankless Water Heater 199,000 BTU (21.69 L x 16.19 W x 36.75 H)
AO SMITH Ao Smith 100344527 ProLine XE Ultra-Low NOx Indoor Natural Gas Tankless Water Heater 199,000 BTU (21.69 L x 16.19 W x 36.75 H)

Ao Smith 100344527 ProLine XE Ultra-Low NOx Indoor Natural Gas Tankless Water Heater 199,000 BTU (21.69 L x 16.19 W x 36.75 H)

AO SMITH
Brand: AO SMITH
SKU: 100344527
Availability: In Stock

Ships via freight in 1-3 business days
$1,909.75
$1,909.75
LTL Delivery

This product weighs 72 lb each and will be shipped via LTL carrier. A lift gate option will be added free of charge for your convenience.

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Description

Product Description

AO Smith 100344527 is a ProLine XE ultra-low NOx indoor natural gas tankless water heater with X3 Technology, rated at 199,000 BTU to provide on-demand hot water for residential and commercial applications. The unit measures 21.69 x 16.19 x 36.75 inches, weighs 72.9 lb, and supports up to 10 gallons per minute flow. It is designed for indoor installation with Cat IV venting options and a compact wall-mount form factor.

  • X3 Technology for scale prevention and improved combustion efficiency; ultra-low NOx emissions
  • 199,000 BTU capacity with up to 10 GPM maximum flow; designed for continuous on-demand hot water
  • Compact indoor wall‑mount design, dimensions 21.69 x 16.19 x 36.75 in; 72.9 lb; Cat IV venting options

Product Highlights

Ultra-low NOx tankless natural gas heater, 199,000 BTU, X3 scale prevention, indoor Cat IV venting

Product Information

Standard Information

  • Brand: AO SMITH
  • Manufacturer Part Number: 100344527
Technical Specifications
Brand
AO Smith
Manufacturer Part Number
100344527
Model/Series
ProLine XE
Product Type
Natural Gas Tankless Water Heater
BTU Rating
199,000 BTU
BTU Input Range
15,000 - 199,000 BTU
Maximum Flow Rate
10 GPM
Condensing
Yes
Uniform Energy Factor (UEF)
0.93
X3 Technology
X3 scale prevention
Heat Exchangers
Primary commercial-grade copper; secondary 316L stainless steel
Venting/Configuration
CAT-IV RM/OS (room-sealed/outdoor)
Vent Type
Power direct vent
Fuel Type
Natural Gas
Power Source
Gas (120V electrical for controls/ignition)
Voltage
120V
Water Connection Size
3/4 in
Pressure Range
15 - 150 psi
Dimensions (L x W x H)
21.69 in x 16.19 in x 36.75 in
Weight
72.9 lb
UPC
671657270148
Certifications
CSA; ANSI Z21.10.3; Energy Star (manufacturer-claimed)
AO SMITH Ao Smith 100344527 ProLine XE Ultra-Low NOx Indoor Natural Gas Tankless Water Heater 199,000 BTU (21.69 L x 16.19 W x 36.75 H)

AO SMITH

Ao Smith 100344527 ProLine XE Ultra-Low NOx Indoor Natural Gas Tankless Water Heater 199,000 BTU (21.69 L x 16.19 W x 36.75 H)

$1,909.75
AO SMITH Ao Smith 100344527 ProLine XE Ultra-Low NOx Indoor Natural Gas Tankless Water Heater 199,000 BTU (21.69 L x 16.19 W x 36.75 H)
AO SMITH Ao Smith 100344527 ProLine XE Ultra-Low NOx Indoor Natural Gas Tankless Water Heater 199,000 BTU (21.69 L x 16.19 W x 36.75 H)

AO SMITH

Ao Smith 100344527 ProLine XE Ultra-Low NOx Indoor Natural Gas Tankless Water Heater 199,000 BTU (21.69 L x 16.19 W x 36.75 H)

$1,909.75

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