A. O. SMITH ATO-310-P Propane Tankless Water Heater 671657102302 190 000-BTU

( Brand: A. O. Smith ), ( Manufacturer Part Number: ATO-310-P ), ( Type: Tankless Water Heater/boiler ), ( Power Source: Propane Gas ), ( Features: Temperature Control ), ( Btu/h Heating Rating: 190/hr ), ( Mounting Location: Outdoor ), ( UPC: 671657102302 )

Review A. O. SMITH Ao 190 Btu Outdoor Propane Tankless Water Heater

The Smith ATO-310-P AO 190 Propane Tankless Water Heater is a high-performance and energy-efficient solution for your hot water needs. This model is designed for residential applications and is capable of delivering a constant supply of hot water on demand.

The ATO-310-P is equipped with a condensing technology, which allows it to extract more heat from the same amount of fuel compared to traditional tank-type water heaters. It also features a stainless steel heat exchanger, ensuring durability and longevity. The unit is also equipped with a digital controller, which allows for precise temperature settings and easy diagnostics.

This tankless water heater is designed to accommodate a maximum input of 190,000 BTUs and can deliver a flow rate of up to 5.8 gallons per minute at a 35-degree Fahrenheit rise. It is also equipped with a built-in recirculation system, which helps to save water and energy by reducing the need to run the water long distances to reach the faucet.

The Smith ATO-310-P is also designed with safety features in mind. It comes with a built-in freeze protection feature, which automatically engages when the temperature drops below 32 degrees Fahrenheit. It also features a flame failure device, which shuts off the gas supply to the unit if the flame goes out.

The unit is also designed with easy installation in mind. It comes with a front access panel, which allows for easy access to the internal components for maintenance and repair. It also features a compact size, which makes it easy to install in tight spaces.

The Smith ATO-310-P AO 190 Propane Tankless Water Heater is an excellent choice for those looking for a high-performance, energy-efficient, and safe water heating solution for their home. With its advanced technology, precise temperature control, and easy installation, this tankless water heater is sure to provide you with a constant supply of hot water for years to come.

The Smith ATO-310-P AO 190 propane tankless water heater is a popular choice for those seeking an efficient and continuous hot water supply. Here are some pros and cons to consider before making a purchase:

1. Energy Efficiency: Tankless water heaters do not store water, which eliminates standby energy losses. They heat water only when it is needed, making them more energy-efficient compared to traditional tank water heaters.

2. Unlimited Hot Water: Since tankless water heaters do not store water, you can have an endless supply of hot water, unlike tank water heaters that can run out if multiple appliances are used simultaneously.

3. Compact Size: Tankless water heaters are smaller in size compared to tank water heaters, making them a great option for homes with limited space.

4. Longer Lifespan: Tankless water heaters have a longer lifespan compared to tank water heaters due to the absence of a storage tank.

5. Savings on Energy Bills: By being more energy-efficient, tankless water heaters can result in significant savings on energy bills over time.

1. Initial Cost: Tankless water heaters have a higher upfront cost compared to traditional tank water heaters.

2. Installation Cost: The installation cost for tankless water heaters can be higher due to the complexity of the installation process.

3. Higher Maintenance: Tankless water heaters require more frequent maintenance compared to tank water heaters, including descaling to remove mineral build-up.

4. Cold Water Sandwich: When using multiple hot water appliances simultaneously, there might be a brief delay between the hot water supply, resulting in a "cold water sandwich" effect.

5. Compatibility: Not all homes are compatible with tankless water heaters, as they require a certain water pressure and temperature to function properly.

The Smith ATO-310-P AO 190 propane tankless water heater offers several advantages, including energy efficiency, unlimited hot water, compact size, and longer lifespan. However, it also comes with some disadvantages, such as a higher upfront cost, higher installation cost, increased maintenance requirements, and potential compatibility issues. Ultimately, the decision to purchase this water heater depends on your budget, energy usage needs, and home compatibility. If you can afford the initial investment and ongoing maintenance costs, and you have the necessary water pressure and temperature, a tankless water heater like the Smith ATO-310-P AO 190 propane model can provide long-term energy savings and the convenience of endless hot water.

Details:

AO Smith ATO-310-P 190,000 btu Outdoor Propane Tankless Water Heater, Brand New in Open Box - see images, Retail: $1,635.90, Free UPS Shipping Signature required, Lot KG Floor 1.

part #: ato310 prices

• $989.99-$1299.00

specifications wateheat:

• brand: A. O. Smith
• mpn: Ato-310-p
• type: Tankless Water Heater/boiler
• power source: Propane Gas
• features: Temperature Control
• btu/h heating rating: 190/hr
• mounting location: Outdoor
• upc: 671657102302

general wateheat:

• condition: Open box
• Heating, Cooling Air > Water Heaters > Tankless Water Heaters

offer wateheat:

• best offers: True
• started: December 3, 2025
• sold: 0
• options: Ship-to-home
• availability: In Stock
• quantity: 3

seller wateheat:

• city: Baltimore, Maryland
• # reviews: 3153
• rating: 99.7%

payments wateheat:

• wallet: Google-pay
• credit card: Discover
• other

shipping wateheat:

• carrier: UPS
• cost: $0.00
• transit: 2-6 Days
• service: UPS Ground
• type: Fixed
• class: Standard

returns wateheat:

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

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