A.O. Smith Gas Water Heaters

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Maximum Input Capacity (BTU)

The Maximum Input Capacity describes how quickly the appliance will use fuel when delivering it's maximum capacity. The units may change depending on the fuel being used.

70000 - 79999 (1)

100000 - 109999 (2)

120000 - 129999 (4)

140000 - 149999 (2)

160000 - 169999 (6)

180000 - 189999 (10)

190000 - 199999 (16)

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Fuel Type

To create heat, some form of fuel is required. Fuel Type specifies what the product uses as an input to create heat.

Liquid Propane (16)

Natural Gas (25)

Product Line

ProLine (26)

ProLine XE (12)

Vertex (3)

Storage Volume (Gallons)

50 (2)

75 (1)

First Hour Delivery (Gallons)

Sometimes called First Hour Rating, this is the number of gallons of hot water the heater can supply per hour when starting with a fully heated tank. The recovery of the water heater depends on your boiler's BTU and boiler output temperature.

121 - 127 (1)

163 - 169 (1)

184 - 190 (1)

Continuous Recovery Rate (Gallons)

92 - 94 (1)

128 - 130 (2)

Product Height (Inches)

20 - 23 (38)

64 - 67 (2)

68 - 71 (1)

Product Width (Inches)

13 (10)

17 (28)

22 (2)

27 (1)

Price

600 - 999 (8)

1000 - 1399 (18)

1400 - 1799 (12)

3000 - 3399 (1)

3800 - 4199 (1)

5000+ (1)

Type

Gas Water Heater (3)

Tankless Water Heater (38)

Vent Type

Products that use combustion (burning) of fuel to create heat also create potentially dangerous gasses that need to be exhausted (AKA "Vented"). Depending on the product, venting can be done via a chimney, through a side wall, or use a second vent to provide fresh air to the appliance.

Concentric Vent (1)

Direct Vent (21)

Outdoor (No Venting) (19)

Flow Rate at 40F Temperature Rise (GPM)

Flow rate measures how much hot water your heater can deliver. Click Learn More to determine the appropriate temperature rise to use based on your location.

5 (6)

6 (8)

7 (2)

8 (10)

9 (12)

Flow Rate at 50F Temperature Rise (GPM)

Flow rate measures how much hot water your heater can deliver. Click Learn More to determine the appropriate temperature rise to use based on your location.

4 (6)

6 (20)

7 (12)

Flow Rate at 60F Temperature Rise (GPM)

Flow rate measures how much hot water your heater can deliver. Click Learn More to determine the appropriate temperature rise to use based on your location.

3 (6)

5 (20)

6 (12)

Flow Rate at 70F Temperature Rise (GPM)

Flow rate measures how much hot water your heater can deliver. Click Learn More to determine the appropriate temperature rise to use based on your location.

3 (6)

4 (20)

5 (12)

Local Pickup FAQ's

What is Local Pickup?

Answer: This and many other products are now available for order online and pickup at the Power Equipment Direct warehouse in Bolingbrook, Illinois or at a Ferguson Supply location near you.

How Do I Update My Pickup Location?

Answer: The nearest pickup location within a 50-mile radius is automatically chosen when you enter the site. To change your pickup location and see availability for other nearby locations, click the "Change Pickup Location" link on the product page or in the cart.

How Do I Place a Local Pickup Order?

Answer: Eligible items will have the Local Pickup option available both on the product page and in the cart. Select this option for all items you wish to pick up. Please note that Local Pickup can only be scheduled online at this time.

When Can Items Be Picked Up?

Answer: Items are usually ready for pickup the same day the online order is placed, but this will depend on order volume and time of day. When your order is ready, you will receive an email including specific pickup instructions. Orders that have not been picked up within two business days may be cancelled. You should opt to have your items shipped if you are not able to pick them up promptly.

Who Can Pick Up My Order?

Answer: You will be prompted to enter the name, mobile phone, and email address of the person who will be picking up the order during checkout. We will use this information to ensure the order is picked up by an authorized individual.

Why Can't I Select Local Pickup for Some Items?

Answer: Not all items are available at all locations, so pickup availability will vary based on the selected store. Additionally, some items ship directly from our manufacturer partners and are not available for pickup. You can use the "Change Pickup Location" link to check for availability at nearby Local Pickup locations.

Why Can't I Select Shipping for Some Items?

Answer: Due to packaging, shipping costs, and other factors, some items cannot be shipped and are offered exclusively through Local Pickup.

Which Payment Methods Are Accepted?

Answer: Credit/debit cards, Apple Pay, Google Pay, PayPal, and financing are accepted for Local Pickup orders.

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Learn More About A.O. Smith ATI-540HX3-N

A.O. Smith X3 - 6.2 GPM at 60° F Rise - 0.93 UEF - Gas Tankless Water Heater - Indoor