A.O. Smith ATM-160X3 Tankless Water Heater 10.5 GPM, 160,000 BTU

(2 customer reviews)
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Description

The A.O. Smith ATM-160X3 is a high-performance tankless water heater designed to deliver continuous hot water for residential and light commercial use. With a powerful flow rate of 10.5 GPM, this unit ensures a reliable hot water supply for multiple outlets at the same time, making it ideal for larger households and high-demand environments.

Key Features

Continuous Hot Water Supply
The tankless design heats water on demand, eliminating the need for a storage tank. You get uninterrupted hot water without waiting or running out.

High Flow Rate – 10.5 GPM
Supports simultaneous use of showers, sinks, and appliances without pressure or temperature drop.

Energy Efficient Operation
Consumes energy only when hot water is required, helping reduce overall energy usage and operating costs compared to traditional storage water heaters.

Compact and Space Saving Design
Wall-mounted unit that occupies minimal space, suitable for modern homes where space efficiency is important.

Advanced Temperature Control
Ensures stable and precise water temperature for a comfortable and safe user experience.

Durable Build Quality
Manufactured by A.O. Smith, known for reliable and long-lasting water heating solutions.

Multiple Safety Features
Includes built-in protections such as overheating control and automatic shut-off for safe operation.


Product Specifications

  • Brand: A.O. Smith
  • Model: ATM-160X3
  • Type: Tankless / Instant Water Heater
  • Flow Rate: 10.5 GPM
  • Installation: Wall Mounted
  • Application: Residential and Commercial
  • Energy Efficiency: High

Suitable For

  • Large homes with multiple bathrooms
  • Apartments and villas
  • Hotels, clinics, and commercial establishments
  • Users looking for energy-efficient hot water solutions

Why Buy A.O. Smith ATM-160X3 Tankless Water Heater

This model is a practical choice for customers who need consistent hot water performance with lower energy consumption. Its high flow capacity, compact design, and dependable build make it suitable for both home and commercial installations.

Specification

AttributeDetails
MakeA.O. Smith
ModelATM-160X3
Product TypeTankless / Instant Water Heater
Maximum Flow Rate10.5 GPM
Heating Capacity160,000 BTU (Approx.)
Energy EfficiencyHigh Efficiency
Energy Star CertifiedYes
Installation TypeWall Mounted
DimensionsCompact Design (Space Saving)
ApplicationResidential & Light Commercial
Water SupplyContinuous Hot Water
Temperature ControlAdvanced Digital Temperature Control
Safety FeaturesOverheat Protection, Auto Shut-Off
Suitable ForMultiple Bathrooms & Simultaneous Usage
Usage AreasHomes, Apartments, Hotels, Clinics
Warranty5 Years Parts + 15 Years Heat Exchanger + 1 Year Labour

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Reviews

2 reviews for A.O. Smith ATM-160X3 Tankless Water Heater 10.5 GPM, 160,000 BTU

  1. Emily Nguyen

    Very satisfied with the A.O. Smith ATM-160X3. Endless hot water even with multiple showers running. Installation crew from Jimmy HVAC was friendly and efficient.

  2. Daniel McLeod

    Installed the A.O. Smith ATM-160X3 last month through Jimmy HVAC. Hot water is consistent and the unit is quiet. Installation team was on time and explained everything clearly.

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Service Area – Professional HVAC Installation & Replacement

Jimmy HVAC provides professional installation, replacement, and system upgrades for residential and light commercial HVAC equipment throughout the Greater Toronto Area. Our certified technicians ensure every system is installed according to manufacturer specifications, Ontario building codes, and industry best practices.

Whether you are upgrading to a high-efficiency system, replacing ageing equipment, or installing a new HVAC solution, our team serves homeowners and property managers across the GTA with reliable service and transparent pricing.

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Our services include:

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Each installation is completed by licensed technicians to ensure optimal performance, long-term reliability, and energy efficiency.

In addition to professional installation, we provide detailed system assessment and proper equipment sizing to match your property’s heating and cooling requirements. Correct system sizing is critical for maximizing energy efficiency, maintaining consistent indoor comfort, and preventing premature equipment wear. Our team evaluates factors such as square footage, insulation levels, airflow design, and overall system compatibility before recommending any HVAC solution.

We focus on delivering installations that meet manufacturer specifications and industry standards, ensuring warranty compliance and long-term operational stability. From new construction projects to replacement of aging HVAC systems, every installation is carried out with attention to airflow balance, duct integration, ventilation requirements, and energy performance optimization.

Homeowners and property managers rely on Jimmy HVAC for dependable service, clear communication, and technically sound installations that reduce operating costs while improving year-round comfort. Whether upgrading to a high-efficiency furnace, installing a modern heat pump system, or replacing an outdated boiler, our goal is to provide durable HVAC solutions designed for consistent performance and long-term value.