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Low NOx Tankless Water Heaters

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Learn More About TK-540P-NIH-SD
Takagi
Takagi TK-540P-NIH - 6.3 GPM at 60° F Rise - 0.93 UEF - Gas Tankless Water Heater - Direct Vent (Scratch & Dent)
Model: TK-540P-NIH-SD
EnergyStar Condensing Water Heater. Low NOx Emissions (< 40 ng/J or 55 PPM). Ratings: 9.5 GPM at 40
4.8 out of 54.8 out of 54.8 out of 54.8 out of 54.8 out of 5(6)
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 Scratch & Dent
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$1,229.00
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Learn More About NCC1991-DV-NG-SD
Noritz NCC1991 - 6.2 GPM at 60° F Rise - 94% Eff. - Gas Tankless Water Heater - Direct Vent (Scratch & Dent)
Model: NCC1991-DV-NG-SD
EnergyStar Commercial Water Heater. Ultra Low NOx Emissions (SCAQMD Rule 1146.2 Compliant). Ratings: 9.3 GPM at 40° F Rise, 7.4 GPM at 50° F Rise, 6.2 GPM at 60° F Rise, 5.3 GPM at 70° F Rise. 188k Effective BTU/h.
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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 Scratch & Dent
$2,134.00
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$2,234.40
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Learn More About T-H3-DV-N
Takagi
Takagi T-H3 - 6.3 GPM at 60° F Rise - 0.93 UEF - Gas Tankless Water Heater - Direct Vent
Model: T-H3-DV-N
EnergyStar Condensing Water Heater. Low NOx Emissions (< 40 ng/J or 55 PPM). Ratings: 9.5 GPM at 40° F Rise, 7.5 GPM at 50° F Rise, 6.3 GPM at 60° F Rise, 5.4 GPM at 70° F Rise. 189k Effective BTU/h.
8% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(22)
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$1,099.00
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2% Check Discount
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Learn More About T-H3M-DV-N
Takagi
Takagi T-H3M - 3.8 GPM at 60° F Rise - 0.90 UEF - Gas Tankless Water Heater - Direct Vent
Model: T-H3M-DV-N
EnergyStar Condensing Water Heater. Low NOx Emissions (< 40 ng/J or 55 PPM). Ratings: 5.4 GPM at 40° F Rise, 4.4 GPM at 50° F Rise, 3.8 GPM at 60° F Rise, 3.2 GPM at 70° F Rise. 112k Effective BTU/h.
6% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(21)
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$735.00
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Learn More About T-H3J-DV-N
Takagi
Takagi T-H3J - 5.0 GPM at 60° F Rise - 0.94 UEF - Gas Tankless Water Heater - Direct Vent
Model: T-H3J-DV-N
EnergyStar Condensing Water Heater. Low NOx Emissions (< 40 ng/J or 55 PPM). Ratings: 6.7 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(22)
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$869.00
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Learn More About T-H3-DV-P
Takagi
Takagi T-H3 - 6.3 GPM at 60° F Rise - 0.93 UEF - Propane Tankless Water Heater - Direct Vent
Model: T-H3-DV-P
EnergyStar Condensing Water Heater. Low NOx Emissions (< 40 ng/J or 55 PPM). Ratings: 9.5 GPM at 40° F Rise, 7.5 GPM at 50° F Rise, 6.3 GPM at 60° F Rise, 5.4 GPM at 70° F Rise. 189k Effective BTU/h.
5% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(20)
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$1,099.00
In-Stock
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2% Check Discount
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Learn More About T-KJR2-IN-N
Takagi
Takagi T-KJR2 - 3.9 GPM at 60° F Rise - 0.81 UEF - Gas Tankless Water Heater - Direct Vent
Model: T-KJR2-IN-N
Low NOx Emissions (< 40 ng/J or 55 PPM). Ratings: 5.8 GPM at 40° F Rise, 4.5 GPM at 50° F Rise, 3.9 GPM at 60° F Rise, 3.3 GPM at 70° F Rise. 115k 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(12)
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$549.00
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Learn More About V75IN
Rinnai V75 - 5.0 GPM at 60° F Rise - 0.81 UEF - Gas Tankless Water Heater - Direct Vent
Model: V75IN
EnergyStar Water Heater. Ultra Low NOx Emissions (SCAQMD Rule 1146.2 Compliant). Ratings: 7.5 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(13)
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$790.00
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Learn More About C 1050 ES NG
Bosch C 1050 ES - 6.3 GPM at 60° F Rise - 0.95 EF - Gas Tankless Water Heater - Direct Vent
Model: C 1050 ES NG
EnergyStar Condensing Water Heater. Ultra Low NOx Emissions (SCAQMD Rule 1146.2 Compliant). Ratings: 9.5 GPM at 40
4% Buy This
4.9 out of 54.9 out of 54.9 out of 54.9 out of 54.9 out of 5(10)
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On Sale Ends 02/28
$999.00
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$1,249.00
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In-Stock
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Learn More About T-H3M-DV-P
Takagi
Takagi T-H3M - 3.8 GPM at 60° F Rise - 0.90 UEF - Propane Tankless Water Heater - Direct Vent
Model: T-H3M-DV-P
EnergyStar Condensing Water Heater. Low NOx Emissions (< 40 ng/J or 55 PPM). Ratings: 5.4 GPM at 40° F Rise, 4.4 GPM at 50° F Rise, 3.8 GPM at 60° F Rise, 3.2 GPM at 70° F Rise. 112k 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(15)
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$729.00
Factory-Direct
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Learn More About T-H3S-DV-N
Takagi
Takagi T-H3S - 5.7 GPM at 60° F Rise - 0.95 UEF - Gas Tankless Water Heater - Direct Vent
Model: T-H3S-DV-N
EnergyStar Condensing Water Heater. Low NOx Emissions (< 40 ng/J or 55 PPM). Ratings: 8.0 GPM at 40° F Rise, 6.8 GPM at 50° F Rise, 5.7 GPM at 60° F Rise, 4.8 GPM at 70° F Rise. 171k Effective BTU/h.
3% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(16)
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$979.00
In-Stock
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Learn More About NR98-SV-NG
Noritz NR98 - 5.6 GPM at 60° F Rise - 0.83 UEF - Gas Tankless Water Heater - Power Vent
Model: NR98-SV-NG
EnergyStar Non-Condensing Water Heater. Ultra Low Nox Emissions (SCAQMD Rule 1146.2 Compliant). Ratings: 8.4 GPM at 40
3% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(5)
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$1,145.00
In-Stock
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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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Learn More About TK-540P-NIH
Takagi
Takagi TK-540P-NIH - 6.3 GPM at 60° F Rise - 0.93 UEF - Gas Tankless Water Heater - Direct Vent
Model: TK-540P-NIH
EnergyStar Condensing Water Heater. Low NOx Emissions (< 40 ng/J or 55 PPM). Ratings: 9.5 GPM at 40° F Rise, 7.5 GPM at 50° F Rise, 6.3 GPM at 60° F Rise, 5.4 GPM at 70° F Rise. 199k Effective BTU/h.
3% Buy This
4.9 out of 54.9 out of 54.9 out of 54.9 out of 54.9 out of 5(9)
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$1,299.00
In-Stock
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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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Learn More About T-H3-OS-N
Takagi
Takagi T-H3 - 6.3 GPM at 60° F Rise - 0.95 UEF - Gas Tankless Water Heater - Outdoor
Model: T-H3-OS-N
EnergyStar Condensing Water Heater. Low NOx Emissions (< 40 ng/J or 55 PPM). Ratings: 9.5 GPM at 40° F Rise, 7.5 GPM at 50° F Rise, 6.3 GPM at 60° F Rise, 5.4 GPM at 70° F Rise. 189k Effective BTU/h.
2% Buy This
4.9 out of 54.9 out of 54.9 out of 54.9 out of 54.9 out of 5(17)
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$1,079.00
In-Stock
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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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Learn More About V75IP
Rinnai V75 - 5.0 GPM at 60° F Rise - 0.81 UEF - Propane Tankless Water Heater - Direct Vent
Model: V75IP
EnergyStar Water Heater. Ultra Low NOx Emissions (SCAQMD Rule 1146.2 Compliant). Ratings: 7.5 GPM at 40
2% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(12)
Q&As (5)
$790.00
Was 
$1,345.00
SAVE $555.00
In-Stock
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Learn More About T-H3J-DV-P
Takagi
Takagi T-H3J - 5.0 GPM at 60° F Rise - 0.94 UEF - Propane Tankless Water Heater - Direct Vent
Model: T-H3J-DV-P
EnergyStar Condensing Water Heater. Low NOx Emissions (< 40 ng/J or 55 PPM). Ratings: 6.7 GPM at 40° F Rise, 6.1 GPM at 50° F Rise, 5.0 GPM at 60° F Rise, 4.3 GPM at 70° F Rise. 152k Effective BTU/h.
2% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(18)
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$879.00
Only 3 In-Stock
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Learn More About V75EN
Rinnai V75 - 5.0 GPM at 60° F Rise - 0.81 UEF - Gas Tankless Water Heater - Outdoor
Model: V75EN
EnergyStar Water Heater. Ultra Low NOx Emissions (SCAQMD Rule 1146.2 Compliant). Ratings: 7.5 GPM at 40
2% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(11)
Q&As (3)
$790.00
Was 
$1,345.00
SAVE $555.00
In-Stock
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Learn More About NR501-OD-LP
Noritz NR501 - 3.3 GPM at 60° F Rise - 0.81 UEF - Propane Tankless Water Heater - Outdoor
Model: NR501-OD-LP
EnergyStar Water Heater. Ratings: 5.0 GPM at 40° F Rise, 3.9 GPM at 50° F Rise, 3.3 GPM at 60° F Rise, 2.8 GPM at 70° F Rise. 102k Effective BTU/h.
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)
Q&As (2)
 On Sale Ends 02/28
$551.08
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$599.00
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Learn More About T-K4-IN-N
Takagi
Takagi T-K4 - 5.3 GPM at 60° F Rise - 0.80 UEF - Gas Tankless Water Heater - Direct Vent
Model: T-K4-IN-N
Low NOx Emissions (< 40 ng/J or 55 PPM). Ratings: 7.9 GPM at 40° F Rise, 6.2 GPM at 50° F Rise, 5.3 GPM at 60° F Rise, 4.5 GPM at 70° F Rise. 156k Effective BTU/h.
1% 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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$779.00
In-Stock
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Learn More About TK-110U-E-N
Takagi
Takagi TK-110U - 3.9 GPM at 60° F Rise - 0.81 UEF - Gas Tankless Water Heater - Outdoor
Model: TK-110U-E-N
Ultra Low NOx Emissions (SCAQMD Rule 1146.2 Compliant). Ratings: 5.8 GPM at 40° F Rise, 4.5 GPM at 50° F Rise, 3.9 GPM at 60° F Rise, 3.3 GPM at 70° F Rise. 115k Effective BTU/h.
1% Buy This
4.9 out of 54.9 out of 54.9 out of 54.9 out of 54.9 out of 5(8)
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$609.00
In-Stock
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Learn More About NCC199-DV-NG
Noritz NCC199 - 6.2 GPM at 60° F Rise - 94% TE - Gas Tankless Water Heater - Direct Vent
Model: NCC199-DV-NG
EnergyStar Commercial Water Heater. Ultra Low NOx Emissions (SCAQMD Rule 1146.2 Compliant). Ratings: 9.3 GPM at 40
1% Buy This
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$1,995.00
Only 2 In-Stock
Free Shipping
? *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.
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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Learn More About TK-310U-E-N
Takagi
Takagi TK-310U - 5.3 GPM at 60° F Rise - 0.82 UEF - Gas Tankless Water Heater - Outdoor
Model: TK-310U-E-N
Ultra Low NOx Emissions (SCAQMD Rule 1146.2 Compliant). Ratings: 7.9 GPM at 40° F Rise, 6.2 GPM at 50° F Rise, 5.3 GPM at 60° F Rise, 4.5 GPM at 70° F Rise. 156k Effective BTU/h.
1% Buy This
4.9 out of 54.9 out of 54.9 out of 54.9 out of 54.9 out of 5(8)
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$819.00
In-Stock
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Learn More About NR98-OD-NG
Noritz NR98 - 5.6 GPM at 60° F Rise - 0.84 UEF - Gas Tankless Water Heater - Outdoor
Model: NR98-OD-NG
EnergyStar Non-Condensing Water Heater. Ultra Low Nox Emissions (SCAQMD Rule 1146.2 Compliant). Ratings: 8.4 GPM at 40° F Rise, 6.7 GPM at 50° F Rise, 5.6 GPM at 60° F Rise, 4.8 GPM at 70° F Rise. 199.9k Effective BTU/h.
1% 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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 On Sale Ends 02/28
$1,053.40
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$1,145.00
SAVE $91.60
Only 4 In-Stock
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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.
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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Learn More About T-D2-IN-N
Takagi
Takagi T-D2 - 5.5 GPM at 60° F Rise - 0.80 UEF - Gas Tankless Water Heater - Direct Vent
Model: T-D2-IN-N
Low NOx Emissions (< 40 ng/J or 55 PPM). Ratings: 8.3 GPM at 40° F Rise, 6.9 GPM at 50° F Rise, 5.5 GPM at 60° F Rise, 4.8 GPM at 70° F Rise. 163k Effective BTU/h.
1% 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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$939.00
In-Stock
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