Series Discontinued

Series Discontinued: ProLine® XE Ultra-Low NOx Outdoor 190,000 BTU Non-Condensing Natural Gas/Liquid Propane Tankless Water Heater

Model ATO-310U 200
Series Discontinued: ProLine® XE Ultra-Low NOx Outdoor 190,000 BTU Non-Condensing Natural Gas/Liquid Propane Tankless Water Heater
Model ATO-310U 200
Product Comparison
Current Product
Option 1
Option 2
Series Discontinued: ProLine® XE Ultra-Low NOx Outdoor 190,000 BTU Non-Condensing Natural Gas/Liquid Propane Tankless Water Heater
ProLine® XE Ultra-Low NOx Outdoor 199,000 BTU Non-Condensing Natural Gas/Liquid Propane Tankless Water Heater
Adapt®+ Premium Condensing Ultra-Low NOx 160,000 BTU Natural Gas Tankless Water Heater
ATO-510U
ATHR-160M
Rebates up to $300 +
Rebates up to $300 +
Rebates up to $300 +
Rated Storage Volume
1 Gallons
Width
13.75"
13.75"
16.53"
Depth
9.5"
9.5"
16.12"
Height
20.5"
20.5"
34"
Shipping Weight
39lbs
40lbs
125lbs
Power Source
GAS
GAS
GAS
Limited Tank Warranty
0 Years
0 Years
0 Years
Limited Parts Warranty
5 Years
5 Years
5 Years
T&P Relief Valve
No
Water Connection Location
BOTTOM
BOTTOM
BOTTOM
Water Connection Size
3/4-in"
First Hour Rating
1 Gallons
1 Gallons
Thermal Efficiency
0%
0%
0%
Specifications
Tech Specs
Power Source
GAS
Limited Parts Warranty
5 Years
T&P Relief Valve
No
Water Connection Location
BOTTOM
First Hour Rating
1 Gallons
Fuel Source
NATURAL
Limited Heat Exchanger Warranty 
15 Years
Dimension & Venting
Height
20.5"
Width
13.75"
Shipping Weight
39 lbs
Product Literature
Technical Literature
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