Specification Sheet
© 2017 A. O. Smith Enterprises Ltd. All rights reserved.
Page 1 of 2
www.hotwater.com | 800-265-8520 Toll-free Canada | A. O. Smith Enterprises Ltd. | 599 Hill Street West | Fergus, ON N1M 2X1
CANCG14001
Heavy-Duty Commercial Gas
Tankless Water Heaters
TANKLESS HEAVY-DUTY
COMMERCIAL MODELS
Designed specically for heavy-duty commercial applications. Fully modulating, gas-red,
tankless water heaters with sealed combustion (optional) and power vented ue. Capable
of supplying hot water for domestic hot water systems (directly or indirectly) using water
storage tanks, recirculation systems, and/or combined domestic & heating applications
(local codes dictate proper compliance).
ATI-910-N
ATI-910-P
ATI-910-AN
ATI-910-AP
FEATURES
DESIGNED FOR PERFORMANCE
• Heat exchanger is constructed of
commercial grade copper that is stronger
than standard copper and more resilient
against erosion and heat stress
• Continuous maximum ow rates up to
14.5 GPM
• Easy-link up to 4 units with no additional
controller or Multi-link up to 10 units
with multi-unit controller
• Available for natural gas (NG) or
propane (LP)
• ASME models available
SAFETY FEATURES:
• Built-in freeze protection
• Manual reset hi limit (set at 194°F)
• Overheat cutoff fuse
• Inlet and outlet thermistors and mixing
for constant temperature monitoring
• GFI, fuse and surge absorber
• Flame sensor
VENTING AND COMBUSTION
• 5” Category III Stainless Steel
• Air fuel ratio rod
• Vertical or horizontal installation
• 50’ equivalent max length, 5 elbows
max (90° elbows = 5’ equivalent length)
• Power vent design
• Electronic ignition - no pilot light
• 5” combustion air intake (with optional
kit 100074538)
OPTIONAL ACCESSORIES
• Multi-unit controller for 5-10 units
(100112192)
• Remote temperature controller
(100112155)
• Direct vent conversion kit (100074538)
• Pipe cover (100112190)
• Concentric vent kit (100066841)
• Isolation valve kit including pressure relief
valve (100112255)
WARRANTY
• 6-year limited warranty on heat
exchanger in commercial applications
• 5-year limited warranty on all parts
ANSI Z21.10.3 CSA 4.3