A. O. SMITH ATI-540HX3-N Condensing Naturalgas Tankless Water Heater ATI540HX300N 199000

( Brand: A. O. Smith ), ( Manufacturer Part Number: ATI-540HX3-N ), ( Type: Tankless Water Heater/boiler ), ( Power Source: Gas ), ( Features: Temperature Control ), ( Mounting Location: Indoor )

Review A. O. SMITH Ao 100 1990 Btu Condensing Naturalgas Tankless Water Heater

Introducing the Smith ATI-540HX3-N/ATI540HX300N 199,000 BTU Condensing Natural Gas Tankless Water Heater, a high-performance and energy-efficient solution for your hot water needs. With a maximum input rating of 199,000 BTUs, this unit is capable of delivering an endless supply of hot water for large homes or commercial applications.

The Smith ATI-540HX3-N/ATI540HX300N is a condensing tankless water heater, which means it captures the exhaust heat that would normally be lost and uses it to preheat the incoming cold water. This results in increased energy efficiency and cost savings for the homeowner.

One of the standout features of this water heater is its modulating gas valve, which allows the unit to adjust its gas input to match the demand for hot water. This not only ensures a consistent temperature, but also helps to reduce energy waste and lower your utility bills.

The Smith ATI-540HX3-N/ATI540HX300N is also equipped with a user-friendly digital display, which provides real-time information on the temperature and energy usage of the unit. This makes it easy to monitor and adjust the settings as needed, and helps to ensure optimal performance and energy efficiency.

Additionally, this tankless water heater comes with advanced safety features, including a freeze protection system and a high-limit temperature switch. These features help to protect the unit from damage caused by extreme temperatures or overheating, giving you peace of mind and adding to the longevity of the product.

In terms of installation, the Smith ATI-540HX3-N/ATI540HX300N is designed to be easy to install and connect to your existing natural gas line. It also comes with a built-in recirculation system, which helps to reduce the wait time for hot water at the faucet and saves water in the process.

Overall, the Smith ATI-540HX3-N/ATI540HX300N 199,000 BTU Condensing Natural Gas Tankless Water Heater is a top-of-the-line solution for those in need of a reliable and energy-efficient hot water system. With its powerful output, advanced features, and user-friendly design, this unit is sure to meet the demands of even the largest homes or commercial applications.

The ATI-540HX3-N/ATI540HX300N 199,000 BTU Condensing Natural Gas Tankless Water Heater from Smith is a high-performance water heating solution designed for large homes or commercial applications. Here are some pros and cons that might help you make an informed decision about whether this water heater is the right choice for you.

1. High BTU Input: With a 199,000 BTU input, this water heater can provide a continuous supply of hot water for large households or commercial buildings.

2. Condensing Technology: This water heater uses condensing technology, which extracts more heat from the exhaust gases, resulting in higher energy efficiency and reduced operating costs.

3. Large Capacity: The ATI-540HX3-N/ATI540HX300N can deliver up to 10.4 gallons per minute (GPM) of hot water, making it suitable for applications that require a large amount of hot water.

4. Compact Design: Despite its high performance, this water heater has a compact design, making it easier to install in tight spaces.

5. Built-in Recirculation System: This water heater comes with a built-in recirculation system, which can help reduce wait times for hot water and save water.

1. High Upfront Cost: The ATI-540HX3-N/ATI540HX300N is a premium water heater with a high upfront cost, which might be a barrier for some homeowners or businesses.

2. Complex Installation: Due to its high performance and advanced features, this water heater requires a complex installation process, which might require the services of a professional plumber.

3. Limited Warranty: The warranty coverage for this water heater is limited, with a 5-year warranty on the heat exchanger and a 1-year warranty on parts.

The Smith ATI-540HX3-N/ATI540HX300N 199,000 BTU Condensing Natural Gas Tankless Water Heater is a high-performance water heating solution suitable for large homes or commercial buildings. Its advanced features, such as condensing technology and a built-in recirculation system, make it an energy-efficient and convenient option. However, its high upfront cost and complex installation process might be a deterrent for some. Ultimately, the decision to purchase this water heater depends on your specific hot water needs and budget.

If you have a large household or commercial building with a high demand for hot water, the Smith ATI-540HX3-N/ATI540HX300N 199,000 BTU Condensing Natural Gas Tankless Water Heater is a worthy investment. Its advanced features and high performance make it a reliable and efficient option for providing a continuous supply of hot water. However, if you have a smaller hot water demand or a limited budget, there are other tankless water heater options available that might be more suitable for your needs. It's essential to carefully consider your hot water requirements and budget before making a decision.

Details:

Brand new in original packaging.

part #: ati540hx3 prices

• $169.25-$815.95

specifications wateheat:

• brand: A. O. Smith
• mpn: Ati-540hx3-n
• type: Tankless Water Heater/boiler
• power source: Gas
• features: Temperature Control
• mounting location: Indoor

payments wateheat:

• other
• credit card: Diners-club
• wallet: Paypal

seller wateheat:

• rating: 99.7%
• # reviews: 12725
• city: Saddle Brook, New Jersey

returns wateheat:

• method: Money back
• time: 30 Days
• paid by: Seller
• policy: Returns Accepted

offer wateheat:

• sold: 0
• quantity: 1
• options: Ship-to-home
• availability: In Stock
• started: March 7, 2026

shipping wateheat:

• class: Standard
• transit: 4-10 Days
• service: Standard
• cost: $0.00
• type: Fixed

general wateheat:

• condition: New
• Heating, Cooling Air > Water Heaters > Tankless Water Heaters

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