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A. O. Smith ATO-540H-N Outdoor Natural Gas Ultra-Low NOx Condensing Tankless Water Heater

Original price $1,336.14 - Original price $1,356.09
Original price
$1,336.14
$1,336.14 - $1,356.09
Current price $1,336.14

199,000 BTU tankless gas water heater with Ultra-Low NOx emissions Features • 199,000 BTUs • Maximum flow rate of 6.6 GPM • ENERGY STAR qualified • Energy factor of 0.95 • Meets Ultra-Low NOx emission requirements • Comes with a 15-year limited warranty • Built in freeze, overheat, and surge protection Certifications Specifications Emissions Ultra-Low NOx Maximum BTUs 199,000 Minimum BTUs (Natural Gas) 15,000 Limited Heat Exchanger Warranty 15 Years Limited Parts Warr...


199,000 BTU tankless gas water heater with Ultra-Low NOx emissions

Features

• 199,000 BTUs
• Maximum flow rate of 6.6 GPM
• ENERGY STAR qualified
• Energy factor of 0.95
• Meets Ultra-Low NOx emission requirements
• Comes with a 15-year limited warranty
• Built in freeze, overheat, and surge protection

Certifications

Specifications

Emissions Ultra-Low NOx
Maximum BTUs 199,000
Minimum BTUs (Natural Gas) 15,000
Limited Heat Exchanger Warranty 15 Years
Limited Parts Warranty 5 Years
Water Connection Location Bottom
Water Connection Size 3/4"
Heat Exchanger HRS35 Copper Alloy
Secondary Heat Exchanger Stainless Steel
Voltage 120
Energy Factor 0.95
ENERGY STAR Yes
Remote Control Included
Technology Condensing
Maximum Output Temperature Setting 160°F **
Type Space Saving
Height 23 5/8"
Width 17 3/4"
Depth 11 1/4"
Product Weight 59lbs/27kg
Shipping Weight 63lbs

** This is the maximum output temperature, not a minimum. The actual output temperature depends on the water flow rate and incoming water temperature.

Documentation

Manual
Spec Sheet

This model is 100% identical to the American GT-540-NEH. The only difference is the label.