Brochure

31
Tankless High Efficiency
Condensing Models
Ultra-Low NOx Condensing Technology
Provides Significant Energy Cost Savings –
Unprecedented 0.95 Energy Factor
GAS WATER HEATERS
All Models are ENERGY STAR
®
Qualified
Ultra-Low NOx Condensing Technology
Provides Significant Energy Cost Savings -
Unprecedented 0.95 Energy Factor
Durable HRS35 Commercial-Grade Copper
Primary Heat Exchanger
Type 316L Stainless Steel Secondary
Heat Exchanger
Electronic Ignition - No Pilot Light
Indoor Model has Built-in Temperature
Controller and Diagnostics
Complies with Lead Free Standards
10-Year Limited Warranty on Heat Exchanger /
5-Year Limited Parts Warranty
MODEL
NUMBER*
TYPE
BTU INPUT
NATURAL/PROPANE
HOT WATER OUTPUT
(GPM)
MINIMUM MAXIMUM MAX.
45°F
RISE
70°F
RISE
ATI-540H-N Indoor 15,000 199,000 10.0 8.4 5.4
ATO-540H-N Outdoor
15,000
199,000 10.0 8.4 5.4
MODEL
NUMBER*
ENERGY
FACTOR
(EF)
DIMENSIONS IN INCHES
HEIGHT WIDTH DIAMETER
ATI-540H-N 0.95 23-5/8 17-3/4 11-1/4
ATO-540H-N 0.95 23-5/8 17-3/4 11-1/4
*For Propane, change the N to P Example: ATI-540H-P
AOSCA80000 R July 2014 Commercial Catalog_108078_ResidentialFul#7A635.qxd 7/16/14 4:28 PM Page 31