A.O. Smith ATO-510-N Technical Documents
Residential/Light Commercial Gas
Tankless Water Heaters
Fully modulating, gas fired, tankless water heater specifically designed for
residential and light commercial applications. Capable of supplying hot water for
domestic hot water systems or combination heating and domestic heating
applications (local codes dictate proper compliance). Features HRS35 copper alloy
and a thicker heat exchanger drum for added durability. Up to four units can be
easily linked, using the Easy-Link system, without a multi-unit controller in systems
for larger applications.
FEATURES
HEAT EXCHANGER IS CONSTRUCTED OF HRS35 COPPER
■ Stronger than standard copper and more resilient against erosion and heat stress
CONTINUOUS MAXIMUM FLOW RATES UP TO 10.0 GPM
CAN BE USED IN BOTH RESIDENTIAL AND LIGHT
COMMERCIAL APPLICATIONS
ENERGY STAR® QUALIFIED
EASY-LINK UP TO 4 UNITS
■ With no additional parts or accessories needed
■ Includes Temperature Controller
SAFETY FEATURES:
■ Built in Freeze Protection
■ Manual Reset Hi Limit (Set at 194°F)
■ Overheat Cutoff Fuse
■ Inlet, Outlet & Mixing Thermistors for Constant Temperature Monitoring
Air Fuel Ratio Rod
■ Surge Bar Power Supply Connection
■ Flame Sensor
VENTING AND COMBUSTION
■
■ 4” Category III Stainless Steel
■ Vertical or Horizontal Installation
■ 50’ Max Length, 5 elbows max (90° elbows = 5’ equivalent length)
■ Power Vent
■ Electronic Ignition - No Pilot Light
■ 3” Combustion Air Intake (with optional kit)
OPTIONAL ACCESSORIES
■ Direct Vent Conversion Kits
■ Complete Line of Stainless Steel Venting
■
■
Pipe Cover
Isolation Valve Kits (includes Pressure Relief Valve)
■ Concentric Termination Kits
WARRANTY
■ 15-year limited warranty on heat exchanger in residential applications
■ 10-year limited warranty on heat exchanger in commercial applications
■ 5-year warranty on all parts
ATI-510-N
ATI-510-P
Page 1 of 2
January 2013
CANBG45000
TANKLESS RESIDENTIAL/LIGHT
COMMERCIAL MODELS
ANSI Z21.10.3
CSA 4.3
MODELS INCLUDE REMOTE CONTROL AND POWER CORD
AS STANDARD FEATURES
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