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Ao Smith 40 Gal Water Heater
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Plumbing (15)
Next-Day Delivery*
Yes (15)
Price
Between $500 and $999.99 (9)
More than $1000 (6)
Subscription Eligible
Yes (12)
Brand
A. O. Smith (15)
Product Height
31.75 in. (1)
32 in. (1)
49.75 in. (1)
51.5 in. (2)
58 in. (1)
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58.25 in. (2)
59 in. (1)
61.75 in. (4)
64 in. (1)
66.88 in. (1)
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Water Connection Size
3/4 in. (15)
Tank Capacity
38 gal. (1)
40 gal. (14)
Water Connection Location
Side (1)
Side, Top (1)
Top (13)
Product Weight
109 lb. (1)
118 lb. (2)
124 lb. (1)
125 lb. (1)
130 lb. (3)
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138 lb. (3)
170 lb. (1)
174 lb. (1)
178 lb. (1)
224 lb. (1)
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Temperature Pressure Relief Valve
Yes (15)
Gallons Per Hour Recovery
21 (3)
36 (1)
41 (8)
42 (1)
45 (2)
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Energy Factor
0.6 (1)
0.7 (1)
0.55 (1)
0.57 (2)
0.61 (1)
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0.62 (1)
0.65 (3)
0.67 (1)
0.68 (1)
0.92 (1)
0.94 (1)
0.95 (1)
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Water Heater Type
Lowboy (2)
Medium (1)
Regular (1)
Short (2)
Tall (9)
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Product Width
18 in. (5)
20 in. (3)
20.5 in. (1)
21 in. (1)
22 in. (3)
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23 in. (1)
24 in. (1)
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Product Depth
18 in. (3)
20 in. (3)
20.5 in. (1)
22 in. (3)
23 in. (1)
Show more
24 in. (1)
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Vent Type
Atmospheric (2)
Direct Vent (1)
Per Local Building Codes (8)
Power Vent (1)
BTU Heat Rating
35,500 (1)
36,000 (1)
38,000 (1)
40,000 (8)
42,000 (1)
Show more
Pilot Reset Button
Yes (12)
Gas Type
Natural Gas (11)
Propane (1)
Phase
Single (3)
Wattage
4500 (3)
Commercial/Residential
Residential (3)
Product Diameter
20.5 in. (1)
23 in. (1)
24 in. (1)
Voltage
240 (3)
Amperage
19 (3)
TAA/BAA Compliant
Yes (15)
GSA Approved
No (15)
Made in the USA
No (5)
Yes (10)
ADA Approved
No (15)
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A. O. Smith® 40-Gallon Medium Electric Water Heater 20 1/2"d X 50"h
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PART
754129
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A. O. Smith® 40-Gallon Tall Natural Gas Water Heater 18" D X 61-3/4" H
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PART
754138
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A. O. Smith® 40-Gallon Lowboy Electric Water Heater Side Connect 24d X 31-3/4"h
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PART
730080
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A. O. Smith® Lowboy Top Connect 38-Gallon Electric Water Heater
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PART
754124
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A. O. Smith® 40-Gallon Short Natural Gas Water Heater 20" D X 51-1/2" H
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PART
754135
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A. O. Smith® 40-Gallon Tall Ultra-Low-Nox Gas Water Heater 18" X 61-3/4"
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PART
754145
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A. O. Smith® 40-Gallon Direct Vent Natural Gas Water Heater
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PART
754148
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A. O. Smith® 40-Gallon Power Direct Vent Natural Gas Water Heater
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PART
754161
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A. O. Smith® 40-Gallon Tall Propane -Lp- Water Heater 18" D X 61-3/4" H
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PART
754143
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A. O. Smith® 40-Gallon Power Vent Ultra Low Nox Natural Gas Water Heater
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PART
754158
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A. O. Smith® 40-Gallon Power Vent Natural Gas Water Heater
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PART
754152
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A. O. Smith® 40-Gallon Tall Natural Gas Water Heater With Top T/p 18d X 61-3/4"h
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PART
730052
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A. O. Smith® 40-Gallon Tall Low-Btu Natural Gas Water Heater 20" D X 61-3/4" H
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PART
730065
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A. O. Smith® Promax® 18 X 61.75 In. 40 Gal. Tall W/ Side Taps Natural Gas Water Heater
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PART
754136
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A. O. Smith® 40 G. Short Gas Water Heater
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PART
730075
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