Residential Hot Water Heaters

Learn More About A.O. Smith Tank GCR-40-NG-Macw-sale-badge
A.O. Smith ProLine® - 40 Gallon Capacity - Residential Natural Gas Tank Water Heater - Atmospheric Vent - Tall - Magnesium
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Item#: 117140
Model#: GCR-40-NG-M
Brand: A.O. Smith Tank
$769.99
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A.O. Smith ProLine® - 40 Gallon Capacity - Residential Natural Gas Tank Water Heater - Atmospheric Vent - Tall - Magnesium
Learn More About A.O. Smith Tank GUR-40-NGacw-sale-badge
A.O. Smith ProLine® GUR-40-NG Ultra Low Nox - 40 Gallon Capacity - Residential Natural Gas Tank Water Heater - Atmospheric Vent - Tall
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Item#: 117141
Model#: GUR-40-NG
Brand: A.O. Smith Tank
$1,090.86
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A.O. Smith ProLine® GUR-40-NG Ultra Low Nox - 40 Gallon Capacity - Residential Natural Gas Tank Water Heater - Atmospheric Vent - Tall
Learn More About A.O. Smith Tank GCG-50-NG-Macw-sale-badge
A.O. Smith ProLine® - 50 Gallon Capacity - Residential Natural Gas Tank Water Heater - Atmospheric Vent - Tall
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Item#: 117144
Model#: GCG-50-NG-M
Brand: A.O. Smith Tank
$839.00
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A.O. Smith ProLine® - 50 Gallon Capacity - Residential Natural Gas Tank Water Heater - Atmospheric Vent - Tall
Learn More About A.O. Smith Tank ENS-50-208acw-sale-badge
A.O. Smith ProLine® Standard Electric - 208V Single Phase - 50 Gal. Storage - 57 Gal. First Hour Delivery - 0.92 UEF - Short
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Item#: 117271
Model#: ENS-50-208
Brand: A.O. Smith Tank
$709.13
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A.O. Smith ProLine® Standard Electric - 208V Single Phase - 50 Gal. Storage - 57 Gal. First Hour Delivery - 0.92 UEF - Short
Learn More About A.O. Smith Tank ENT-50-Tacw-sale-badge
A.O. Smith ProLine® Standard Electric - 240V Single Phase - 50 Gal. Storage - 57 Gal. First Hour Delivery - 0.92 UEF - Tall
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Item#: 117272
Model#: ENT-50-T
Brand: A.O. Smith Tank
$834.99
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
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A.O. Smith ProLine® Standard Electric - 240V Single Phase - 50 Gal. Storage - 57 Gal. First Hour Delivery - 0.92 UEF - Tall
Learn More About A.O. Smith Tank ENT-50-KA90acw-sale-badge
A.O. Smith ProLine® Standard Electric - 240V Single Phase - 50 Gal. Storage - 57 Gal. First Hour Delivery - 0.92 UEF - Tall - KA90 Anode Rod
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Item#: 117273
Model#: ENT-50-KA90
Brand: A.O. Smith Tank
$834.99
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
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A.O. Smith ProLine® Standard Electric - 240V Single Phase - 50 Gal. Storage - 57 Gal. First Hour Delivery - 0.92 UEF - Tall - KA90 Anode Rod
Learn More About A.O. Smith Tank ENS-50-MAGacw-sale-badge
A.O. Smith ProLine® Standard Electric - 240V Single Phase - 50 Gal. Storage - 57 Gal. First Hour Delivery - 0.92 UEF - Short - Magnesium Anode Rod
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Item#: 117274
Model#: ENS-50-MAG
Brand: A.O. Smith Tank
$709.13
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
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A.O. Smith ProLine® Standard Electric - 240V Single Phase - 50 Gal. Storage - 57 Gal. First Hour Delivery - 0.92 UEF - Short - Magnesium Anode Rod
Learn More About A.O. Smith Tank ENT-50-MAGacw-sale-badge
A.O. Smith ProLine® Standard Electric - 240V Single Phase - 50 Gal. Storage - 57 Gal. First Hour Delivery - 0.92 UEF - Tall - Magnesium Anode Rod
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Item#: 117275
Model#: ENT-50-MAG
Brand: A.O. Smith Tank
$834.99
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
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A.O. Smith ProLine® Standard Electric - 240V Single Phase - 50 Gal. Storage - 57 Gal. First Hour Delivery - 0.92 UEF - Tall - Magnesium Anode Rod
Learn More About A.O. Smith Tank ENS-50-ALUMacw-sale-badge
A.O. Smith ProLine® Standard Electric - 240V Single Phase - 50 Gal. Storage - 57 Gal. First Hour Delivery - 0.92 UEF - Short - Aluminum Anode Rod
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Item#: 117276
Model#: ENS-50-ALUM
Brand: A.O. Smith Tank
$709.13
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
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A.O. Smith ProLine® Standard Electric - 240V Single Phase - 50 Gal. Storage - 57 Gal. First Hour Delivery - 0.92 UEF - Short - Aluminum Anode Rod
Learn More About A.O. Smith Tank ENS-50-OTALUMacw-sale-badge
A.O. Smith ProLine® Standard Electric - 240V Single Phase - 50 Gal. Storage - 57 Gal. First Hour Delivery - 0.92 UEF - Short - Outlet Aluminum Anode Rod
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Item#: 117277
Model#: ENS-50-OTALUM
Brand: A.O. Smith Tank
$709.13
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
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A.O. Smith ProLine® Standard Electric - 240V Single Phase - 50 Gal. Storage - 57 Gal. First Hour Delivery - 0.92 UEF - Short - Outlet Aluminum Anode Rod
Learn More About A.O. Smith Tank ENT-50-OTMAGacw-sale-badge
A.O. Smith ProLine® Standard Electric - 240V Single Phase - 50 Gal. Storage - 57 Gal. First Hour Delivery - 0.92 UEF - Tall - Outlet Magnesium Anode Rod
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Item#: 117280
Model#: ENT-50-OTMAG
Brand: A.O. Smith Tank
$834.99
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
Local Pickup Only
A.O. Smith ProLine® Standard Electric - 240V Single Phase - 50 Gal. Storage - 57 Gal. First Hour Delivery - 0.92 UEF - Tall - Outlet Magnesium Anode Rod
Learn More About A.O. Smith Tank ENT-50-Sacw-sale-badge
A.O. Smith ProLine® Standard Electric - 240V Single Phase - 50 Gal. Storage - 57 Gal. First Hour Delivery - 0.92 UEF - Tall
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Item#: 117281
Model#: ENT-50-S
Brand: A.O. Smith Tank
$834.99
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
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A.O. Smith ProLine® Standard Electric - 240V Single Phase - 50 Gal. Storage - 57 Gal. First Hour Delivery - 0.92 UEF - Tall
Learn More About A.O. Smith ATI-240HX3-Pacw-sale-badge
A.O. Smith X3 - Residential 160,000 BTU Ultra-Low Nox - Liquid Propane Tankless Water Heater with X3 Technology - Indoor
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EnergyStar Condensing Water Heater. Ultra-Low NOx (14 ng/J or 20 ppm). Ratings: 6.7 GPM at 40° F Rise, 6.1 GPM at 50° F Rise, 5.1 GPM at 60° F Rise, 4.3 GPM at 70° F Rise. 160k Max BTU/h.
Item#: 123207
Model#: ATI-240HX3-P
Brand: A.O. Smith
$1,295.00
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
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A.O. Smith X3 - Residential 160,000 BTU Ultra-Low Nox - Liquid Propane Tankless Water Heater with X3 Technology - Indoor
Learn More About A.O. Smith ATI-340HX3-Nacw-sale-badge
A.O. Smith X3 - Residential 180,000 BTU Ultra-Low Nox - Natural Gas Tankless Water Heater with X3 Technology - Indoor
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EnergyStar Condensing Water Heater. Ultra-Low NOx (14 ng/J or 20 ppm). Ratings: 8 GPM at 40° F Rise, 6.8 GPM at 50° F Rise, 5.8 GPM at 60° F Rise, 4.9 GPM at 70° F Rise. 180k Max BTU/h.
Item#: 123208
Model#: ATI-340HX3-N
Brand: A.O. Smith
$1,421.00
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
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A.O. Smith X3 - Residential 180,000 BTU Ultra-Low Nox - Natural Gas Tankless Water Heater with X3 Technology - Indoor
Learn More About A.O. Smith ATI-340HX3-Pacw-sale-badge
A.O. Smith X3 - Residential 180,000 BTU Ultra-Low Nox - Liquid Propane Tankless Water Heater with X3 Technology - Indoor
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EnergyStar Condensing Water Heater. Ultra-Low NOx (14 ng/J or 20 ppm). Ratings: 8 GPM at 40° F Rise, 6.8 GPM at 50° F Rise, 5.8 GPM at 60° F Rise, 4.9 GPM at 70° F Rise. 180k Max BTU/h.
Item#: 123209
Model#: ATI-340HX3-P
Brand: A.O. Smith
$1,421.00
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
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A.O. Smith X3 - Residential 180,000 BTU Ultra-Low Nox - Liquid Propane Tankless Water Heater with X3 Technology - Indoor
Learn More About Takagi TK-240X3-NEHacw-sale-badge
Takagi X3 - Residential 160,000 BTU - Natural Gas Tankless Water Heater - Outdoor
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EnergyStar Condensing Water Heater. Ultra-Low NOx (14 ng/J or 20 ppm). Ratings: 6.7 GPM at 40° F Rise, 6.1 GPM at 50° F Rise, 5.1 GPM at 60° F Rise, 4.3 GPM at 70° F Rise. 160k Max BTU/h.
Item#: 123212
Model#: TK-240X3-NEH
Brand: Takagi
$1,295.00
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
Factory-Direct
Takagi X3 - Residential 160,000 BTU - Natural Gas Tankless Water Heater - Outdoor
Learn More About Takagi TK-240X3-NIHacw-sale-badge
Takagi X3 - Residential 160,000 BTU - Natural Gas Tankless Water Heater - Indoor
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EnergyStar Condensing Water Heater. Ultra-Low NOx (14 ng/J or 20 ppm). Ratings: 6.7 GPM at 40° F Rise, 6.1 GPM at 50° F Rise, 5.1 GPM at 60° F Rise, 4.3 GPM at 70° F Rise. 160k Max BTU/h.
Item#: 123213
Model#: TK-240X3-NIH
Brand: Takagi
$1,295.00
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
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Takagi X3 - Residential 160,000 BTU - Natural Gas Tankless Water Heater - Indoor
Learn More About Takagi TK-340X3-NEHacw-sale-badge
Takagi X3 - Residential 180,000 BTU - Natural Gas Tankless Water Heater - Outdoor
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EnergyStar Condensing Water Heater. Ultra-Low NOx (14 ng/J or 20 ppm). Ratings: 8 GPM at 40° F Rise, 6.8 GPM at 50° F Rise, 5.8 GPM at 60° F Rise, 4.9 GPM at 70° F Rise. 180k Max BTU/h.
Item#: 123214
Model#: TK-340X3-NEH
Brand: Takagi
$1,421.00
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
Factory-Direct
Takagi X3 - Residential 180,000 BTU - Natural Gas Tankless Water Heater - Outdoor
Learn More About Takagi TK-340X3-NIHacw-sale-badge
Takagi X3 - Residential 180,000 BTU - Natural Gas Tankless Water Heater - Indoor
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EnergyStar Condensing Water Heater. Ultra-Low NOx (14 ng/J or 20 ppm). Ratings: 8 GPM at 40° F Rise, 6.8 GPM at 50° F Rise, 5.8 GPM at 60° F Rise, 4.9 GPM at 70° F Rise. 180k Max BTU/h.
Item#: 123215
Model#: TK-340X3-NIH
Brand: Takagi
$1,421.00
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
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Takagi X3 - Residential 180,000 BTU - Natural Gas Tankless Water Heater - Indoor
Learn More About Takagi TK-540X3-NEHacw-sale-badge
Takagi X3 - Residential 199,000 BTU - Natural Gas Tankless Water Heater - Outdoor
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EnergyStar Condensing Water Heater. Ultra-Low NOx (14 ng/J or 20 ppm). Ratings: 9.5 GPM at 40° F Rise, 7.5 GPM at 50° F Rise, 6.2 GPM at 60° F Rise, 5.2 GPM at 70° F Rise. 199k Max BTU/h.
Item#: 123216
Model#: TK-540X3-NEH
Brand: Takagi
$1,558.00
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
Factory-Direct
Takagi X3 - Residential 199,000 BTU - Natural Gas Tankless Water Heater - Outdoor
Learn More About Takagi TK-540X3-NIHacw-sale-badge
Takagi X3 - Residential 199,000 BTU - Natural Gas Tankless Water Heater - Indoor
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EnergyStar Condensing Water Heater. Ultra-Low NOx (14 ng/J or 20 ppm). Ratings: 9.5 GPM at 40° F Rise, 7.5 GPM at 50° F Rise, 6.2 GPM at 60° F Rise, 5.2 GPM at 70° F Rise. 199k Max BTU/h.
Item#: 123217
Model#: TK-540X3-NIH
Brand: Takagi
$1,558.00
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
In-Stock
Takagi X3 - Residential 199,000 BTU - Natural Gas Tankless Water Heater - Indoor
Learn More About Takagi TK-240X3-PEHacw-sale-badge
Takagi X3 - Residential 160,000 BTU - Liquid Propane Tankless Water Heater - Outdoor
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EnergyStar Condensing Water Heater. Ultra-Low NOx (14 ng/J or 20 ppm). Ratings: 6.7 GPM at 40° F Rise, 6.1 GPM at 50° F Rise, 5.1 GPM at 60° F Rise, 4.3 GPM at 70° F Rise. 160k Max BTU/h.
Item#: 123218
Model#: TK-240X3-PEH
Brand: Takagi
$1,295.00
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
Factory-Direct
Takagi X3 - Residential 160,000 BTU - Liquid Propane Tankless Water Heater - Outdoor
Learn More About Takagi TK-240X3-PIHacw-sale-badge
Takagi X3 - Residential 160,000 BTU - Liquid Propane Tankless Water Heater - Indoor
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EnergyStar Condensing Water Heater. Ultra-Low NOx (14 ng/J or 20 ppm). Ratings: 6.7 GPM at 40° F Rise, 6.1 GPM at 50° F Rise, 5.1 GPM at 60° F Rise, 4.3 GPM at 70° F Rise. 160k Max BTU/h.
Item#: 123219
Model#: TK-240X3-PIH
Brand: Takagi
$1,295.00
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
Factory-Direct
Takagi X3 - Residential 160,000 BTU - Liquid Propane Tankless Water Heater - Indoor
Learn More About Takagi TK-340X3-PEHacw-sale-badge
Takagi X3 - Residential 180,000 BTU - Liquid Propane Tankless Water Heater - Outdoor
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EnergyStar Condensing Water Heater. Ultra-Low NOx (14 ng/J or 20 ppm). Ratings: 8 GPM at 40° F Rise, 6.8 GPM at 50° F Rise, 5.8 GPM at 60° F Rise, 4.9 GPM at 70° F Rise. 180k Max BTU/h.
Item#: 123220
Model#: TK-340X3-PEH
Brand: Takagi
$1,421.00
Free Shipping
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
Factory-Direct
Takagi X3 - Residential 180,000 BTU - Liquid Propane Tankless Water Heater - Outdoor