A.O. Smith Check Test Selection Manual

A. O. Smith On-Demand
Gas Water Heaters
Each A. O. Smith on-demand water heater is designed for a
specific application. Consult your sales representative or contact
A. O. Smith for specifications and recommendations on which
model is right for specific requirements.

Model Specifications

BTU Input
Model Natural / Propane
Number Minimum Maximum
INDOOR MODELS
ATI-305N 15,000 199,000/190,000
ATI-505N 15,000 199,000/190,000
ATI-705N 19,000 237,000
ATI-705AN* 19,000 237,000
OUTDOOR MODELS
ATO-305N 15,000 199,000
ATO-505N 15,000 199,000
ATO-705N 19,000 237,000
ATO-705AN* 19,000 237,000
* 705A models are ASME Certified.
For propane, change "N" to "P" in model number (ATI-305P).
500 Tennessee Waltz Parkway
www.hotwater.com
AMGBROO107 ©2007 A. O. Smith Corporation A. O. Smith reserves the right to make product changes or improvements at any time without notice.
January 2008R September 2008R
Approximate
Hot Water Output (GPM) Shipping
Maximum 45º F Rise 77º F Rise Weight (lbs)
5.3 5.3 4.2 50
8.5 7.4/7.1 4.2 50
9.8 8.8 5.1 55
9.8 8.8 5.1 55
5.3 5.3 4.2 50
8.5 7.3 4.2 50
9.8 8.7 5.1 55
9.8 8.7 5.1 55
• Ashland City, TN 37015
Printed in U.S.A
I N N OVAT I O N O N D E M A N D
A. O. Smith's complete line of tankless gas water heaters