A.O. Smith 305 Specification Sheet

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
A Variety of Sleek, Compact Indoor Models To Choose From
ATI-305-N (Natural Gas), ATI-305-P (Propane)
ATI-505-N (Natural Gas), ATI-505-P (Propane)
305 and 505 Models
All Models Available
In Both Natural Gas
And Propane Designs
A . O . S M I T H ' S
ATI-705A-N (Natural Gas), ATI-705A-P (Propane) Commercial
Dimension Description
A Width
B Depth
C Height - Unit
D Height - with brackets
E Hot Water Outlet - from wall*
F Hot Water Outlet - from center
G Cold Water Inlet - from wall*
H Cold Water Inlet - from center
I Gas Connection - from wall*
J Gas Connection - from center
From base to gas connection
K From base to cold connection
From base to hot connection
* This is the minimum dimension from the wall. The wall bracket is adjustable to allow an additional
1.57 inches (40mm).
ATI-705-N (Natural Gas), ATI-705-P (Propane)
705 Model
Model Dimensions
305 and 505
inches (mm)
14 (355.6)
9.6 (244.5)
22.9 (582)
25.5 (648.2)
3.6 (91)
4.3 (110)
2.8 (70)
1.1 (27)
4.3 (109)
3.5 (89)
1.6 (40)
2.0 (50)
1.6 (41)
705
inches (mm)
18.5 (470)
9.3 (230.5)
23.6 (600)
25.2 (640)
4.5 (115)
2.4 (61)
3.9 (99)
2.0 (52)
2.4 (61.2)
4.3 (110)
1.6 (40)
2.0 (50)
1.6 (41)