A.O. Smith ATO-705N - Manual

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.
A. O. Smith On-Demand
Gas Water Heaters
BTU Input Approximate
Model Natural / Propane Hot Water Output (GPM) Shipping
Number Minimum Maximum Maximum 45º F Rise 77º F Rise Weight (lbs)
INDOOR MODELS
ATI-305N 15,000 199,000/190,000 5.3 5.3 4.2 50
ATI-505N 15,000 199,000/190,000 8.5 7.4/7.1 4.2 50
ATI-705N 19,000 237,000 9.8 8.8 5.1 55
ATI-705AN* 19,000 237,000 9.8 8.8 5.1 55
OUTDOOR MODELS
ATO-305N 15,000 199,000 5.3 5.3 4.2 50
ATO-505N 15,000 199,000 8.5 7.3 4.2 50
ATO-705N 19,000 237,000 9.8 8.7 5.1 55
ATO-705AN* 19,000 237,000 9.8 8.7 5.1 55
* 705A models are ASME Certified.
For propane, change “N” to “P” in model number (ATI-305P).
Model Specifications
AMGBROO107 ©2007 A. O. Smith Corporation A. O. Smith reserves the right to make product changes or improvements at any time without notice. Printed in U.S.A
January 2008R
500 Tennessee Waltz Parkway • Ashland City, TN 37015
www.hotwater.com
I N NOVAT I O N O N D E MAND
A. O. Smith’s complete line of tankless gas water heaters
September 2008R
201866 AMGBR00107 1 201866 AMGBR00107 1 9/10/08 11:38:54 AM 9/10/08 11:38:54 AM