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Bosch Tankless Water Heaters

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Bosch tankless water heaters continue the company's tradition of quality engineering, providing an efficient and responsive hot water solution. Fueled by either gas or electricity, and designed for whole-home or point-of-use applications, Bosch tankless hot water heaters provide amazing flexibility.
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Model Number US12 is the Number 1 Seller
Learn More About US12
Bosch US12 - 1.4 GPM at 60° F Rise - 0.99 UEF - 208-240V / 1 Ph Tankless Point of Use Water Heater
Model: US12
Under-sink design. Ratings: 2.1 GPM at 40
31% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(8)
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Model US12 is a Closeout
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$135.00
Was 
$179.00
SAVE $44.00
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Model Number T9800 SE 199 is the Number 2 Seller
Learn More About T9800 SE 199
Bosch Greentherm - 6.7 GPM at 60° F Rise - 0.96 UEF - Gas Tankless Water Heater - Direct Vent
Model: T9800 SE 199
EnergyStar Condensing Water Heater. Ultra Low NOx Emissions (SCAQMD Rule 1146.2 Compliant). Ratings: 10.0 GPM at 40
25% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(2)
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$1,219.00
Only 5 In-Stock
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2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
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Model Number T9900 SE 199 is the Number 3 Seller
Learn More About T9900 SE 199
Bosch T9900 SE 199 - 6.8 GPM at 60° F Rise - 0.96 UEF - Gas Tankless Water Heater - Direct Vent
Model: T9900 SE 199
EnergyStar Condensing Water Heater. Ultra Low NOx Emissions. (SCAQMD Rule 1146.2 Compliant). (< 40 ng/J or 55 PPM). Ratings: 11.2 GPM at 35° F Rise, 8.7 GPM at 45° F Rise, 7.2 GPM at 55° F Rise, 5.2 GPM at 75° F Rise. 199k Effective BTU/h.
10% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(3)
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$1,489.00
Only 4 In-Stock
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Learn More About Free Freight *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 may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Add To Cart
Model Number US9 is the Number 4 Seller
Learn More About US9
Bosch US9 - 1.1 GPM at 60° F Rise - 0.97 UEF - 208-240V / 1 Ph Tankless Point of Use Water Heater
Model: US9
Under-sink design. Ratings: 1.7 GPM at 40° F Rise, 1.3 GPM at 50° F Rise, 1.1 GPM at 60° F Rise, 1 GPM at 70° F Rise.
6% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(6)
Q&A (1)
Model US9 is a Closeout
Closeout
$135.00
Was 
$159.00
SAVE $24.00
In-Stock
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Model Number T9800 SE 160 is the Number 5 Seller
Learn More About T9800 SE 160
Bosch Greentherm - 5.4 GPM at 60° F Rise - 0.97 UEF - Gas Tankless Water Heater - Direct Vent
Model: T9800 SE 160
EnergyStar Condensing Water Heater. Ultra Low NOx Emissions (SCAQMD Rule 1146.2 Compliant). Ratings: 8.0 GPM at 40
6% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(2)
Ask a Question
$1,089.00
Factory-Direct
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Learn More About Free Freight *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 may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Add To Cart
Learn More About T9900 SE 160
Bosch T9900 SE 160 - 5.5 GPM at 60° F Rise - 0.97 UEF - Gas Tankless Water Heater - Direct Vent
Model: T9900 SE 160
6% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(2)
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$1,279.00
Only 2 In-Stock
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Learn More About Free Freight *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 may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Add To Cart
Learn More About US3
Bosch US3 - 0.6 GPM at 40° F Rise - 0.95 UEF - 110-120V / 1 Ph Tankless Point of Use Water Heater
Model: US3
Under-sink design. Ratings: 0.6 GPM at 40
4% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(7)
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Model US3 is a Closeout
Closeout
$135.00
Was 
$155.00
SAVE $20.00
In-Stock
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Learn More About T9800 SEO 199
Bosch Greentherm - 6.7 GPM at 60° F Rise - 0.96 UEF - Gas Tankless Water Heater - Outdoor
Model: T9800 SEO 199
EnergyStar Condensing Water Heater. Low NOx Emissions. Ratings: 10.0 GPM at 40
4% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(2)
Ask a Question
$1,129.00
Only 4 In-Stock
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Free Shipping
Learn More About Free Freight *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 may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Add To Cart
Learn More About T9900I SE 199
Bosch T9900i SE 199 - 6.8 GPM at 60° F Rise - 0.96 UEF - Gas Tankless Water Heater - Direct Vent
Model: T9900I SE 199
EnergyStar Condensing Water Heater. Ultra Low NOx Emissions. (SCAQMD Rule 1146.2 Compliant). (< 40 ng/J or 55 PPM). Ratings: 11.2 GPM at 35° F Rise, 8.7 GPM at 45° F Rise, 7.2 GPM at 55° F Rise, 5.2 GPM at 75° F Rise. 199k Effective BTU/h.
4% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(2)
Ask a Question
$1,649.00
Only 4 In-Stock
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Free Shipping
Learn More About Free Freight *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 may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Add To Cart
Learn More About US7
Bosch US7 - 0.8 GPM at 60° F Rise - 0.98 UEF - 208-240V / 1 Ph Tankless Point of Use Water Heater
Model: US7
Under-sink design. Ratings: 1.3 GPM at 40° F Rise, 1 GPM at 50° F Rise, 0.8 GPM at 60° F Rise, 0.8 GPM at 70° F Rise.
2% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(6)
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Model US7 is a Closeout
Closeout
$135.00
Was 
$159.00
SAVE $24.00
Only 1 In-Stock
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Learn More About US6
Bosch US6 - 0.7 GPM at 60° F Rise - 0.97 UEF - 277V / 1 Ph Tankless Point of Use Water Heater
Model: US6
Under-sink design. Ratings: 1.1 GPM at 40° F Rise, 0.8 GPM at 50° F Rise, 0.7 GPM at 60° F Rise, 0.6 GPM at 70° F Rise.
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(6)
Ask a Question
Model US6 is a Closeout
Closeout
$135.00
Was 
$159.00
SAVE $24.00
Only 4 In-Stock
Add To Cart
Learn More About T9800 SEO 160
Bosch Greentherm - 5.4 GPM at 60° F Rise - 0.97 UEF - Gas Tankless Water Heater - Outdoor
Model: T9800 SEO 160
EnergyStar Condensing Water Heater. Low NOx Emissions. Ratings: 8.0 GPM at 40
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(2)
Ask a Question
$999.00
Was 
$1,074.00
SAVE $75.00
In-Stock
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Free Shipping
Learn More About Free Freight *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 may apply, see our full shipping policy for more details.
Add To Cart
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