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AO Smith Residential Water Heaters

AO Smith Vertex and ProMax residential gas water heaters represent innovative technology designed to maximize efficiency and quality. The Vertex power-vent and power direct-vent gas water heaters take high-demand homes to the pinnacle of hot water availability. Vertex offers up to 96% thermal efficiency with performance that rivals much larger water heaters. ProMax water heaters are engineered to help lower your energy bills and provide exceptional reliability. They go the extra mile in safety innovation with C3 Technology that protects against accidental ignition of flammable vapors.

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40 Gallon ProMax Residential Electric Water Heater - Tall Model (10 Yr Warranty)

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Product Specifications
Intended Household:	2-3 Person
Application:	Plumbing
Capacity:	40 Gallon
Fuel Type:	Electric
Number of Elements:	2
Voltage:	240v
Max Input (KW):	6
Height:	59-1/2"
Diameter:	18"

40 Gal. ProMax
Electric Tall Heater
(10 Yr. Wnty)

SKU: PCT-40
Brand: AO Smith

Usually Ships 7-10 Days

$499.95 / each

Free Shipping

50 Gallon ProMax Residential Electric Water Heater - Tall Model

View Specs

Product Specifications
Intended Household:	3-4 Person
Application:	Plumbing
Capacity:	50 Gallon
Fuel Type:	Electric
Number of Elements:	2
Voltage:	240v
Max Input (KW):	6
Height:	54"
Diameter:	20-1/2"

50 Gal. ProMax
Electric Tall Heater
(6 Yr. Wnty)

SKU: ECT-52
Brand: AO Smith

In Stock!

10 Avail (Ships in 24-48 Hrs)

$399.95 / each

$769.90 / box
2 x $384.95

Free Shipping

50 Gallon ProMax Residential Electric Water Heater - Tall Model (10 Yr Warranty)

View Specs

Product Specifications
Intended Household:	3-4 Person
Application:	Plumbing
Capacity:	50 Gallon
Fuel Type:	Electric
Number of Elements:	2
Voltage:	240v
Max Input (KW):	6
Height:	54"
Diameter:	20-1/2"

50 Gal. ProMax
Electric Tall Heater
(10 Yr. Wnty)

SKU: PCT-52
Brand: AO Smith

Usually Ships 7-10 Days

$499.95 / each

Free Shipping

55 Gallon ProMax Residential Electric Water Heater - Tall Model

View Specs

Product Specifications
Intended Household:	5+ Person
Application:	Plumbing
Capacity:	55 Gallon
Fuel Type:	Electric
Number of Elements:	2
Voltage:	240v
Max Input (KW):	6
Height:	60-1/4"
Diameter:	20-1/2"

55 Gal. ProMax
Electric Tall Heater
(6 Yr. Wnty)

SKU: ECT-55
Brand: AO Smith

In Stock!

2 Avail (Ships in 24-48 Hrs)

$483.95 / each

Free Shipping

55 Gallon ProMax Residential Electric Water Heater - Tall Model (10 yr Warranty)

View Specs

Product Specifications
Intended Household:	5+ Person
Application:	Plumbing
Capacity:	55 Gallon
Fuel Type:	Electric
Number of Elements:	2
Voltage:	240v
Max Input (KW):	6
Height:	60-1/4"
Diameter:	20-1/2"

55 Gal. ProMax
Electric Tall Heater
(10 Yr. Wnty)

SKU: PCT-55
Brand: AO Smith

In Stock!

2 Avail (Ships in 24-48 Hrs)

$554.95 / each

Free Shipping

66 Gallon ProMax Residential Electric Water Heater - Tall Model

View Specs

Product Specifications
Intended Household:	5+ Person
Application:	Plumbing
Capacity:	66 Gallon
Fuel Type:	Electric
Number of Elements:	2
Voltage:	240v
Max Input (KW):	6
Height:	60-1/4"
Diameter:	22"

66 Gal. ProMax
Electric Tall Heater
(6 Yr. Wnty)

SKU: ECT-66
Brand: AO Smith

Usually Ships 7-10 Days

$649.95 / each

Free Shipping

66 Gallon ProMax Residential Electric Water Heater - Tall Model (10 Yr Warranty)

View Specs

Product Specifications
Intended Household:	5+ Person
Application:	Plumbing
Capacity:	66 Gallon
Fuel Type:	Electric
Number of Elements:	2
Voltage:	240v
Max Input (KW):	6
Height:	60-1/4"
Diameter:	22"

66 Gal. ProMax
Electric Tall Heater
(10 Yr. Wnty)

SKU: PCT-66
Brand: AO Smith

Usually Ships 7-10 Days

$789.95 / each

Free Shipping

80 Gallon ProMax Residential Electric Water Heater - Tall Model

View Specs

Product Specifications
Intended Household:	5+ Person
Application:	Plumbing
Capacity:	80 Gallon
Fuel Type:	Electric
Number of Elements:	2
Voltage:	240v
Max Input (KW):	6
Height:	60-1/2"
Diameter:	22.5"

80 Gal. ProMax
Electric Tall Heater
(6 Yr. Wnty)

SKU: ECT-80
Brand: AO Smith

In Stock!

3 Avail (Ships in 24-48 Hrs)

$654.95 / each

Free Shipping

80 Gallon ProMax Residential Electric Water Heater - Tall Model (10 Yr Warranty)

View Specs

Product Specifications
Intended Household:	5+ Person
Application:	Plumbing
Capacity:	80 Gallon
Fuel Type:	Electric
Number of Elements:	2
Voltage:	240v
Max Input (KW):	6
Height:	60-1/2"
Diameter:	22-1/2"

80 Gal. ProMax
Electric Tall Heater
(10 Yr. Wnty)

SKU: PCT-80
Brand: AO Smith

Usually Ships 7-10 Days

$799.95 / each

Free Shipping

120 Gallon ProMax Residential Electric Water Heater - Tall Model

View Specs

Product Specifications
Intended Household:	5+ Person
Application:	Plumbing
Capacity:	119 Gallon
Fuel Type:	Electric
Number of Elements:	2
Voltage:	240v
Max Input (KW):	6
Height:	64-1/4"
Diameter:	28"

120 Gal. ProMax
Electric Tall Heater
(6 Yr. Wnty)

SKU: ECT-120
Brand: AO Smith

In Stock!

2 Avail (Ships in 24-48 Hrs)

$1,479.95 / each

Free Shipping

120 Gallon ProMax Residential Electric Water Heater - Tall Model (10 Yr Warranty)

View Specs

Product Specifications
Intended Household:	5+ Person
Application:	Plumbing
Capacity:	119 Gallon
Fuel Type:	Electric
Number of Elements:	2
Voltage:	240v
Max Input (KW):	6
Height:	64-1/4"
Diameter:	28"

120 Gal. ProMax
Electric Tall Heater
(10 Yr. Wnty)

SKU: PCT-120
Brand: AO Smith

In Stock!

1 Avail (Ships in 24-48 Hrs)

$1,499.95 / each

Free Shipping

40 Gallon ProMax Residential Electric Water Heater - Short Model

View Specs

Product Specifications
Intended Household:	2-3 Person
Application:	Plumbing
Capacity:	40 Gallon
Fuel Type:	Electric
Number of Elements:	2
Voltage:	240v
Max Input (KW):	6
Height:	44"
Diameter:	20-1/2"

40 Gal. ProMax
Electric Short Heater
(6 Yr. Wnty)

SKU: ECS-40
Brand: AO Smith

In Stock!

6 Avail (Ships in 24-48 Hrs)

$424.95 / each

Free Shipping

40 Gallon ProMax Residential Electric Water Heater - Short Model (10 Yr Warranty)

View Specs

Product Specifications
Intended Household:	2-3 Person
Application:	Plumbing
Capacity:	40 Gallon
Fuel Type:	Electric
Number of Elements:	2
Voltage:	240v
Max Input (KW):	6
Height:	44"
Diameter:	20-1/2"

40 Gal. ProMax
Electric Short Heater
(10 Yr. Wnty)

SKU: PCS-40
Brand: AO Smith

Usually Ships 7-10 Days

$499.95 / each

Free Shipping

50 Gallon ProMax Residential Electric Water Heater - Short Model

View Specs

Product Specifications
Intended Household:	3-4 Person
Application:	Plumbing
Capacity:	50 Gallon
Fuel Type:	Electric
Number of Elements:	2
Voltage:	240v
Max Input (KW):	6
Height:	48"
Diameter:	22"

50 Gal. ProMax
Electric Short Heater
(6 Yr. Wnty)

SKU: ECS-50
Brand: AO Smith

Usually Ships 7-10 Days

$409.95 / each

Free Shipping

50 Gallon ProMax Residential Electric Water Heater - Short Model (10 Yr Warranty)

View Specs

Product Specifications
Intended Household:	3-4 Person
Application:	Plumbing
Capacity:	50 Gallon
Fuel Type:	Electric
Number of Elements:	2
Voltage:	240v
Max Input (KW):	6
Height:	48"
Diameter:	22"

50 Gal. ProMax
Electric Short Heater
(10 Yr. Wnty)

SKU: PCS-50
Brand: AO Smith

Usually Ships 7-10 Days

$499.95 / each

Free Shipping

40 Gallon ProMax Plus High Efficiency Residential Electric Water Heater - Tall Model

View Specs

Product Specifications
Intended Household:	2-3 Person
Application:	Plumbing
Capacity:	40 Gallon
Fuel Type:	Electric
Number of Elements:	2
Voltage:	240v
Max Input (KW):	6
Height:	60"
Diameter:	19"

40 Gal. ProMax Plus High Eff. Electric Tall Heater
(6 Yr. Wnty)

SKU: ECRT-40
Brand: AO Smith

Usually Ships 7-10 Days

$469.95 / each

Free Shipping

40 Gallon ProMax Plus High Efficiency Residential Electric Water Heater - Tall Model (10 Yr Warranty)

View Specs

Product Specifications
Intended Household:	2-3 Person
Application:	Plumbing
Capacity:	40 Gallon
Fuel Type:	Electric
Number of Elements:	2
Voltage:	240v
Max Input (KW):	6
Height:	60"
Diameter:	19"

40 Gal. ProMax Plus High Eff. Electric Tall Heater
(10 Yr. Wnty)

SKU: PCRT-40
Brand: AO Smith

Usually Ships 7-10 Days

$537.95 / each

Free Shipping

50 Gallon ProMax Plus High Efficiency Residential Electric Water Heater - Tall Model

View Specs

Product Specifications
Intended Household:	3-4 Person
Application:	Plumbing
Capacity:	50 Gallon
Fuel Type:	Electric
Number of Elements:	2
Voltage:	240v
Max Input (KW):	6
Height:	56 1/2"
Diameter:	21 1/2"

50 Gal. ProMax Plus High Eff. Electric Tall Heater
(6 Yr. Wnty)

SKU: ECRT-52
Brand: AO Smith

Usually Ships 7-10 Days

$469.95 / each

Free Shipping

50 Gallon ProMax Plus High Efficiency Residential Electric Water Heater - Tall Model (10 Yr Warranty)

View Specs

Product Specifications
Intended Household:	3-4 Person
Application:	Plumbing
Capacity:	50 Gallon
Fuel Type:	Electric
Number of Elements:	1
Voltage:	240v
Max Input (KW):	6
Height:	56 1/2"
Diameter:	21 1/2"

50 Gal. ProMax Plus High Eff. Electric Tall Heater
(10 Yr. Wnty)

SKU: PCRT-52
Brand: AO Smith

In Stock!

2 Avail (Ships in 24-48 Hrs)

$537.95 / each

Free Shipping

66 Gallon ProMax Plus High Efficiency Residential Electric Water Heater - Tall Model

View Specs

Product Specifications
Intended Household:	5+ Person
Application:	Plumbing
Capacity:	66 Gallon
Fuel Type:	Electric
Height:	61"
Diameter:	23"
Max Input (KW):	6
Weight:	180 lbs
1st Hour Delivery (Gallons):	76

66 Gal. ProMax Plus High Eff. Electric Tall Heater
(6 Yr. Wnty)

SKU: ECRT-66
Brand: AO Smith

Usually Ships 7-10 Days

$769.95 / each

Free Shipping

1 - 20 of 152

More about AO Smith

A. O. Smith has manufactured high quality products and provided innovative hot water solutions for nearly 70 years. A. O. Smith patented the process for glass lining a water heater tank in 1936, and the glass-lined water heater remains the standard of the industry today.

Air Eliminators	Nipples
Air Valves	Pipe Insulation
Aquastats & Wells	Pressure Valves
Baseboard Heaters	Pumps & Flanges
Boilers	Radiant Heat
Expansions Tanks	Radiator Valves
Fittings	Relief Valves
Flow Controls Valves	Switching Relays
Flow Switches	Tekmar Controls
Gas Valves	Temperature Controllers
Gauges	Thermocouples
Heating Specialties	Thermostats
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Low Water Cutoffs	Water Feeders
Mixing Valves	Zone Valves & Controls

Access Doors	PEX Plumbing
Backflow Preventers	Plumbing Specialties
Chemicals & Compounds	Pumps
Expansion Tanks	Solder
Faucets & Sinks	Stops & Risers
Fittings	Tools
Flush Valves	Toilet Parts
Grease Traps	Tub & Shower Products
Outlet Boxes	Tubular Goods & P-Traps
Nipples	Valves
Pipe Hangers	Water Filters
Pipe Insulation	Water Heaters

Air Cleaners	HVAC Controls
Air Conditioners	Line Sets
AC Install Parts	Mini-Split Air Conditioners
Condensate Pumps	Replacement Parts
Dampers	Registers & Grilles
Dehumidifiers	Replacement Filters
Filter Driers	Thermostats
Flex Duct	Tools
Humidifiers	Ventilation Fans

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AO Smith Residential Water Heaters

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