A.O.SMITH’S
INNOVATION ON DEMAND
A.O. Smith’s complete line of tankless gas water heatersA Variety of Sleek, Compact Indoor Models To Choose From
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305 and 505 Models | 705 Model |
All Models Available
In Both Natural Gas
And Propane Designs
Model Dimensions
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Dimension | Description | inches (mm) | inches (mm) | ||
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A | Width | 14 (355.6) | 18.5 | (470) | |
B | Depth | 9.6 (244.5) | 9.3 (230.5) | ||
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C | Height - Unit | 22.9 | (582) | 23.6 | (600) |
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D | Height - with brackets | 25.5 (648.2) | 25.2 | (640) | |
E | Hot Water Outlet - from wall* | 3.6 | (91) | 4.5 (115) | |
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F | Hot Water Outlet - from center | 4.3 (110) | 2.4 | (61) | |
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G | Cold Water Inlet - from wall* | 2.8 | (70) | 3.9 | (99) |
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H | Cold Water Inlet - from center | 1.1 | (27) | 2.0 | (52) |
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I | Gas Connection - from wall* | 4.3 (109) | 2.4 (61.2) | ||
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J | Gas Connection - from center | 3.5 | (89) | 4.3 (110) | |
| From base to gas connection | 1.6 | (40) | 1.6 | (40) |
K | From base to cold connection | 2.0 | (50) | 2.0 | (50) |
| From base to hot connection | 1.6 | (41) | 1.6 | (41) |
*This is the minimum dimension from the wall. The wall bracket is adjustable to allow an additional 1.57 inches (40mm).
