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Show In Stock Only (20)

Fuel Type

Natural Gas (44)
Propane (21)

BTU (Max)

120,000 (4)
140,000 (2)
160,000 (11)
180,000 (9)
190,000 (7)
199,000 (14)
380,000 (1)
398,000 (10)
597,000 (2)

Energy Factor

0.80 - 0.85 (7)
0.90 - 0.95 (50)
0.95+ (35)

Vent Type

Concentric (2)
Direct Vent (39)
Outdoor (No Venting) (16)
Power Vent (6)

Installation Type

Indoor Only (34)
Indoor/Outdoor (1)
Outdoor Only (24)

Application

Commercial (15)
Residential (43)

Includes

Gas Conversion Kit (8)

Flow Rate At 40F Temp Rise (GPM)

5.4 (4)
5.8 (2)
6.7 (15)
7.9 (3)
8.0 (3)
8.3 (3)
9.5 (7)
14.8 (1)

Flow Rate At 50F Temp Rise (GPM)

4.4 (4)
4.5 (2)
6.1 (15)
6.2 (3)
6.8 (3)
6.9 (3)
7.5 (7)
12.5 (1)
15.2 (10)
22.8 (2)

Flow Rate At 60F Temp Rise (GPM)

3.8 (4)
3.9 (2)
5 (15)
5.3 (3)
5.5 (3)
5.7 (3)
6.3 (7)
10.5 (1)
12.6 (10)
18.9 (2)

Flow Rate At 70F Temp Rise (GPM)

3.2 (4)
3.3 (2)
4.3 (15)
4.5 (2)
4.8 (7)
5.4 (7)
8.5 (1)
10.8 (10)
16.2 (2)

Type

Condensing (50)
Non-Condensing (9)

Review Score

(13)
(2)

Price Range

$80 to $90 (1)
$100 to $200 (3)
$800 to $900 (7)
$1000 to $1500 (21)
$1500 to $2000 (16)
$2000 to $2500 (4)
$3500 to $4000 (1)
$5000 to $10000 (12)

AO Smith Tankless Water Heaters

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Product Image of 199,000 BTU ATI-540H Condensing Ultra-Low NOx Indoor Tankless Water Heater (NG)
$1,269.00 each
In Stock
Get 25 by Thu, Jan 23
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Product Image of 199,000 BTU ATI-540H Condensing Ultra-Low NOx Indoor Tankless Water Heater (LP)
$1,394.30 each
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Product Image of 120,000 BTU ATI-140H Condensing Ultra-Low NOx Indoor Tankless Water Heater (LP)
$845.00 each
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Product Image of ULN Remote Controller
ULN Remote Controller
SKU: 100209924
AO Smith
SKU: 100209924
Brand: AO Smith
(5)
$125.72 each
In Stock
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Product Image of 120,000 BTU ATI-140H Condensing Ultra-Low NOx Indoor Tankless Water Heater (NG)
$848.56 each
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Product Image of 160,000 BTU ATI-240H Condensing Ultra-Low NOx Indoor Tankless Water Heater (NG)
$1,022.00 each
In Stock
Get 14 by Thu, Jan 23
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Product Image of Temperature Remote Controller (TK-RE02)
Temperature Remote Controller (TK-RE02)
SKU: 100112183
AO Smith
SKU: 100112183
Brand: AO Smith
(12)
$89.88 each
In Stock
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Product Image of 180,000 BTU ATI-340H Condensing Ultra-Low NOx Indoor Tankless Water Heater (NG)
$1,142.00 each
In Stock
Get 11 by Thu, Jan 23
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Product Image of 160,000 BTU ATI-240H Condensing Ultra-Low NOx Indoor Tankless Water Heater (LP)
$1,022.00 each
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Product Image of Temperature Remote Controller (TM-RE30)
Temperature Remote Controller (TM-RE30)
SKU: 100112155
AO Smith
SKU: 100112155
Brand: AO Smith
(2)
$143.90 each
In Stock
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Product Image of 140,000 BTU ATI-110 Non-Condensing Ultra-Low NOx Indoor Tankless Water Heater (NG/LP)
$845.23 each
In Stock
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Product Image of 180,000 BTU ATI-340H Condensing Ultra-Low NOx Indoor Tankless Water Heater (LP)
$1,142.00 each
In Stock
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