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A.O. Smith GT15THR-160X3 Gas Tankless Water Heater 39.7 L/min

Name: A.O. Smith GT15THR-160X3 Gas Tankless Water Heater 39.7 L/min
Brand: A.O. Smith
SKU: 5014825247
Price: 1027.95 USD
Availability: InStock

$1,027.95 $1,869.00

Taxes included. Shipping calculated at checkout.

The A.O. Smith Signature Series condensing gas tankless water heater delivers continuous on-demand hot water with integrated X3 scale prevention technology. Engineered to inhibit mineral buildup in hard water conditions, this heavy-duty system extends operating life up to three times longer than standard models while maintaining peak thermal efficiency.

Equipped with an integrated recirculation pump, the unit provides customizable scheduling to keep lines primed and minimize wait times during peak household use. A single stainless steel heat exchanger enhances durability, and versatile venting support allows for indoor or outdoor wall-mount installation.

Key Features

Brand	A.O. Smith
Model Number	GT15THR-160X3
Water Heater Type	Tankless
Fuel Type	Natural Gas / Liquid Propane
Power Source	Gas
Maximum Flow Rate	39.7 L/min
BTU Rating	160000
Uniform Energy Factor	0.95
Installation Type	Wall Mount
Use Location	Indoor / Outdoor
Water Connection Size	3/4-in
Vent Type	PVC/CPVC
Display Type	Digital
Height	113.3 cm
Width	41.9 cm
Depth	40.9 cm
Product Weight	47.2 kg
Energy Star Certified	Yes
AHRI Certified	Yes
Safety Listing	CSA Safety Listing

Highlights

ENERGY STAR Certified, Warranty: 15-year limited, Super High Efficiency

Compatibility

Compatible with natural gas or liquid propane fuel systems, standard 3/4-inch water connections, and PVC/CPVC venting. Suitable for residential wall-mount indoor or outdoor installations, including mobile homes.

Warranty

15-year limited

Downloads

Frequently asked questions

What is the function of the X3 scale prevention technology?

The integrated X3 scale prevention technology inhibits mineral and scale formation inside the heat exchanger tubing, extending the unit's lifespan up to three times longer in hard water environments.

Can this water heater be installed outdoors?

Yes, this condensing gas tankless water heater is engineered for both indoor and outdoor wall-mount installations.

Does this model feature a built-in recirculation pump?

Yes, it includes an integrated recirculation pump with programmable schedules to keep hot water ready and decrease wait times at the fixture.

What fuel types are compatible with this unit?

This unit is compatible with natural gas and liquid propane fuel supplies.

Made with care

Great value

Elegant design

Quality materials

This product is crafted with quality materials to ensure durability and performance. Designed with your convenience in mind, it seamlessly fits into your everyday life.

Orders typically ship within 5–7 business days. Returns are accepted within 30 days of delivery — see our Shipping Policy and Refund & Return Policy pages for full details.