Shop Best Natural Gas Water Heaters 2020

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$923.99
Rheem RRTGH84DVLN3701171 Rheem RTGH Series 8.4 GPM 157,000 BTU 120 Volt Residential Indoor Natural Gas Tankless Water Heater Stainless Steel
Amazon.com
45
Free shipping
$923.99
Rheem RRTGH84DVLN3701171 Rheem RTGH Series 8.4 GPM 157,000 BTU 120 Volt Residential Indoor Natural Gas Tankless Water Heater Stainless Steel
Amazon.com
45
$868.65
Rheem RTG-95XLN-3 High Efficiency Non-Condensing Outdoor Tankless Natural Gas Water Heater, 9.5 GPM
Amazon.com
30
Free shipping
$868.65
Rheem RTG-95XLN-3 High Efficiency Non-Condensing Outdoor Tankless Natural Gas Water Heater, 9.5 GPM
Amazon.com
30
$939.00
A.O. Smith Signature 100 50-Gallon Tall 9-Year Warranty 40000-BTU Natural Gas Water Heater | G9-UT5040NVR
Lowe's
243
$939.00
A.O. Smith Signature 100 50-Gallon Tall 9-Year Warranty 40000-BTU Natural Gas Water Heater | G9-UT5040NVR
Lowe's
243
$869.00
A.O. Smith Signature 100 50-Gallon Tall 12-Year Warranty 40000-BTU Natural Gas Water Heater | G12-T5040NVR
Lowe's
617
$869.00
A.O. Smith Signature 100 50-Gallon Tall 12-Year Warranty 40000-BTU Natural Gas Water Heater | G12-T5040NVR
Lowe's
617
$1,778.00
NEW Rinnai rxp199in Condensing Smart Sense Natural Gas Or Propane Tankless Water Heater, Indoor Or Outdoor Water Heater, Up To 11.1 GPM, 199,000 BTU
Amazon.com
216
Free shipping
$1,778.00
NEW Rinnai rxp199in Condensing Smart Sense Natural Gas Or Propane Tankless Water Heater, Indoor Or Outdoor Water Heater, Up To 11.1 GPM, 199,000 BTU
Amazon.com
216
$953.00
Rheem RTG-84DVLN-3 High Efficiency Non-Condensing Indoor Tankless Natural Gas Water Heater, 8.4 GPM
Amazon.com
89
Free shipping
$953.00
Rheem RTG-84DVLN-3 High Efficiency Non-Condensing Indoor Tankless Natural Gas Water Heater, 8.4 GPM
Amazon.com
89
$1,669.00
Rheem IKONIC rectgh-s11in Professional Grade Super High Efficiency Condensing Tankless Natural Gas Water Heater, 11.2 GPM
Amazon.com
2
Free shipping
$1,669.00
Rheem IKONIC rectgh-s11in Professional Grade Super High Efficiency Condensing Tankless Natural Gas Water Heater, 11.2 GPM
Amazon.com
2
$1,557.89
Noritz NR98SVNG 7.5 GPM Indoor/Outdoor Tankless Natural Gas Water Heater
Amazon.com
8
Free shipping
$1,557.89
Noritz NR98SVNG 7.5 GPM Indoor/Outdoor Tankless Natural Gas Water Heater
Amazon.com
8
$709.00
A.O. Smith Signature 100 40-Gallons Short 9-Year Warranty 40000-BTU Natural Gas Water Heater | G9-S4040NVR
Lowe's
627
$709.00
A.O. Smith Signature 100 40-Gallons Short 9-Year Warranty 40000-BTU Natural Gas Water Heater | G9-S4040NVR
Lowe's
627
$1,244.00
NEW Rinnai rx160in Condensing Smart Sense Natural Gas Or Propane Tankless Water Heater, Indoor Or Outdoor Water Heater, Up To 9 GPM, 160,000 BTU
Amazon.com
216
Free shipping
$1,244.00
NEW Rinnai rx160in Condensing Smart Sense Natural Gas Or Propane Tankless Water Heater, Indoor Or Outdoor Water Heater, Up To 9 GPM, 160,000 BTU
Amazon.com
216
$349.99
Aquah Indoor Natural Gas Tankless Water Heater 16L / 4.3 Gpm, Whole House
Amazon.com
$349.99
Aquah Indoor Natural Gas Tankless Water Heater 16L / 4.3 Gpm, Whole House
Amazon.com
$1,577.52
Rinnai cx199in Condensing Smart Sense Commercial Natural Gas Or Propane Tankless Water Heater, 199,000 BTU, 11.1 GPM
Amazon.com
15
Free shipping
$1,577.52
Rinnai cx199in Condensing Smart Sense Commercial Natural Gas Or Propane Tankless Water Heater, 199,000 BTU, 11.1 GPM
Amazon.com
15
$1,158.16
Rheem RTGH-95DVELN-3 Super High Efficiency Condensing Indoor Tankless Natural Gas Water Heater, 9.5 GPM With Wifi
Amazon.com
87
Free shipping
$1,158.16
Rheem RTGH-95DVELN-3 Super High Efficiency Condensing Indoor Tankless Natural Gas Water Heater, 9.5 GPM With Wifi
Amazon.com
87
$599.00
FOGATTI Natural Gas Tankless Water Heater Outdoor - Max 8.1 GPM 180,000 BTU, CSA Certified Compact Design On Demand Instant Hot Water Heater -
Amazon.com
158
Free shipping
$599.00
FOGATTI Natural Gas Tankless Water Heater Outdoor - Max 8.1 GPM 180,000 BTU, CSA Certified Compact Design On Demand Instant Hot Water Heater -
Amazon.com
158
$699.00
A.O. Smith Signature 100 40-Gallon Tall 9-Year Warranty 40000-BTU Natural Gas Water Heater | G9-T4040NVR
Lowe's
$699.00
A.O. Smith Signature 100 40-Gallon Tall 9-Year Warranty 40000-BTU Natural Gas Water Heater | G9-T4040NVR
Lowe's
$739.00
A.O. Smith Signature 100 40-Gallons Tall 6-Year Warranty 40000-BTU Natural Gas Water Heater | G6N-UT4040NVR
Lowe's
831
$739.00
A.O. Smith Signature 100 40-Gallons Tall 6-Year Warranty 40000-BTU Natural Gas Water Heater | G6N-UT4040NVR
Lowe's
831
$298.99
Ranein Natural Gas Tankless Water Heater, Indoor Max 3.6 GPM, 80,000 BTU Instant Hot Water Heater
Amazon.com
Free shipping
$298.99
Ranein Natural Gas Tankless Water Heater, Indoor Max 3.6 GPM, 80,000 BTU Instant Hot Water Heater
Amazon.com
Free shipping
$599.00
FOGATTI Natural Gas Tankless Water Heater Indoor - Max 7.5 GPM 170,000 BTU, CSA Certified Compact Design On Demand Instant Hot Water Heater -
Amazon.com
17
Free shipping
$599.00
FOGATTI Natural Gas Tankless Water Heater Indoor - Max 7.5 GPM 170,000 BTU, CSA Certified Compact Design On Demand Instant Hot Water Heater -
Amazon.com
17
$332.10
MIZUDO Natural Gas Tankless Water Heater Indoor, Max 4.3 GPM 100,000 BTU CSA Certified 3/4" NPT On Demand Instant Hot Water Heater For 2-3 Fixtures
Amazon.com
188
Free shipping
$332.10
MIZUDO Natural Gas Tankless Water Heater Indoor, Max 4.3 GPM 100,000 BTU CSA Certified 3/4" NPT On Demand Instant Hot Water Heater For 2-3 Fixtures
Amazon.com
188
$609.00
Ranein Natural Gas Tankless Water Heater, Indoor Max 5.3 GPM, 130,000 BTU Instant Hot Water Heater
Amazon.com
Free shipping
$609.00
Ranein Natural Gas Tankless Water Heater, Indoor Max 5.3 GPM, 130,000 BTU Instant Hot Water Heater
Amazon.com
Free shipping
$77.21
$108.10
Rheem PROG40-34N RH62 Professional Classic 40 Gal. Residential Water Heater, Natural Gas/LP
uptownrenos
Free shipping
28% off
$77.21
$108.10
Rheem PROG40-34N RH62 Professional Classic 40 Gal. Residential Water Heater, Natural Gas/LP
uptownrenos
Free shipping
$629.00
Ranein Natural Gas Tankless Water Heater, Outdoor Max 5.3 GPM, 130,000 BTU Instant Hot Water Heater
Amazon.com
14
Free shipping
$629.00
Ranein Natural Gas Tankless Water Heater, Outdoor Max 5.3 GPM, 130,000 BTU Instant Hot Water Heater
Amazon.com
14
$741.65
Rinnai V53den Natural Gas Tankless Water Heater - 5.3 GPM, Outdoor Installation
Amazon.com
Free shipping
$741.65
Rinnai V53den Natural Gas Tankless Water Heater - 5.3 GPM, Outdoor Installation
Amazon.com
Free shipping
$399.00
Ranein Natural Gas Tankless Water Heater With Vent Pipe, Indoor Max 4.3 GPM, 100,000 BTU Instant Hot Water Heater
Amazon.com
79
Free shipping
$399.00
Ranein Natural Gas Tankless Water Heater With Vent Pipe, Indoor Max 4.3 GPM, 100,000 BTU Instant Hot Water Heater
Amazon.com
79
$992.60
Rinnai RE160EN 6.6 GPM 160000 BTU 120 Volt Natural Gas Tankless Water Heater For Outdoor Installation Silver Water Heaters Tankless Water Heaters
Ferguson Home
83
$992.60
Rinnai RE160EN 6.6 GPM 160000 BTU 120 Volt Natural Gas Tankless Water Heater For Outdoor Installation Silver Water Heaters Tankless Water Heaters
Ferguson Home
83
$994.00
A.O. Smith Signature 100 40-Gallon Short 6-Year Warranty 38000-BTU Direct Vent Natural Gas Water Heater | G6-DVS4038NVL
Lowe's
$994.00
A.O. Smith Signature 100 40-Gallon Short 6-Year Warranty 38000-BTU Direct Vent Natural Gas Water Heater | G6-DVS4038NVL
Lowe's
$849.99
Reliance 50 Gal 40000 BTU Natural Gas Water Heater
Ace Hardware
$849.99
Reliance 50 Gal 40000 BTU Natural Gas Water Heater
Ace Hardware
$72.19
$101.07
Rheem PROG40-38U RH62 EC1 Professional Classic Ultra Low Nox 40 Gallon Natural GAS Water Heater
uptownrenos
Free shipping
28% off
$72.19
$101.07
Rheem PROG40-38U RH62 EC1 Professional Classic Ultra Low Nox 40 Gallon Natural GAS Water Heater
uptownrenos
Free shipping
$1,209.00
A.O. Smith Signature 500 40-Gallon Short 6-Year Warranty 40000-BTU Power Vent Natural Gas Water Heater | G6-PVS4040NV
Lowe's
$1,209.00
A.O. Smith Signature 500 40-Gallon Short 6-Year Warranty 40000-BTU Power Vent Natural Gas Water Heater | G6-PVS4040NV
Lowe's
$1,799.00
A.O. Smith Signature 500 75-Gallon Tall 6-Year Warranty 76000-BTU Power Vent Natural Gas Water Heater | G6-PVT7576NV
Lowe's
$1,799.00
A.O. Smith Signature 500 75-Gallon Tall 6-Year Warranty 76000-BTU Power Vent Natural Gas Water Heater | G6-PVT7576NV
Lowe's
$1,499.00
A.O. Smith Signature 500 50-Gallon Tall 6-Year Warranty 45000-BTU Power Direct Vent Natural Gas Water Heater | G6-PDT5045NV
Lowe's
37
$1,499.00
A.O. Smith Signature 500 50-Gallon Tall 6-Year Warranty 45000-BTU Power Direct Vent Natural Gas Water Heater | G6-PDT5045NV
Lowe's
37
$240.00
Reliance 30 Gal. Tall 6Yr 33,000 BTU Ultra Low Nox Natural Gas Water Heater
iieemm.com
Free shipping
$240.00
Reliance 30 Gal. Tall 6Yr 33,000 BTU Ultra Low Nox Natural Gas Water Heater
iieemm.com
Free shipping
$769.00
A.O. Smith Signature 100 40-Gallon Short 6-Year Warranty 40000-BTU Natural Gas Water Heater | G6-US4040NV
Lowe's
122
$769.00
A.O. Smith Signature 100 40-Gallon Short 6-Year Warranty 40000-BTU Natural Gas Water Heater | G6-US4040NV
Lowe's
122
$2,122.12
State Water Heaters GS6-50-YBVIS 50 Gallon (Powervent) Natural Gas Water Heater
Skip The Warehouse
$2,122.12
State Water Heaters GS6-50-YBVIS 50 Gallon (Powervent) Natural Gas Water Heater
Skip The Warehouse
$741.65
Rinnai V53den Outdoor Whole House Natural Gas Tankless Water Heater 5.3 Gallons Per Minute Natural Gas Water Heaters Tankless Water Heaters Whole
Ferguson Home
2K+
$741.65
Rinnai V53den Outdoor Whole House Natural Gas Tankless Water Heater 5.3 Gallons Per Minute Natural Gas Water Heaters Tankless Water Heaters Whole
Ferguson Home
2K+
$1,744.83
State Water Heaters GS650BCS400 Select 50 Gallon Lowboy Natural Gas Water Heater | Skip The Warehouse
Skip The Warehouse
$1,744.83
State Water Heaters GS650BCS400 Select 50 Gallon Lowboy Natural Gas Water Heater | Skip The Warehouse
Skip The Warehouse
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Shop Best Natural Gas Water Heaters 2020

Sponsored
About our ads
$923.99
Rheem RRTGH84DVLN3701171 Rheem RTGH Series 8.4 GPM 157,000 BTU 120 Volt Residential Indoor Natural Gas Tankless Water Heater Stainless Steel
Amazon.com
45
Free shipping
$923.99
Rheem RRTGH84DVLN3701171 Rheem RTGH Series 8.4 GPM 157,000 BTU 120 Volt Residential Indoor Natural Gas Tankless Water Heater Stainless Steel
Amazon.com
45
$868.65
Rheem RTG-95XLN-3 High Efficiency Non-Condensing Outdoor Tankless Natural Gas Water Heater, 9.5 GPM
Amazon.com
30
Free shipping
$868.65
Rheem RTG-95XLN-3 High Efficiency Non-Condensing Outdoor Tankless Natural Gas Water Heater, 9.5 GPM
Amazon.com
30
$939.00
A.O. Smith Signature 100 50-Gallon Tall 9-Year Warranty 40000-BTU Natural Gas Water Heater | G9-UT5040NVR
Lowe's
243
$939.00
A.O. Smith Signature 100 50-Gallon Tall 9-Year Warranty 40000-BTU Natural Gas Water Heater | G9-UT5040NVR
Lowe's
243
$869.00
A.O. Smith Signature 100 50-Gallon Tall 12-Year Warranty 40000-BTU Natural Gas Water Heater | G12-T5040NVR
Lowe's
617
$869.00
A.O. Smith Signature 100 50-Gallon Tall 12-Year Warranty 40000-BTU Natural Gas Water Heater | G12-T5040NVR
Lowe's
617
$1,778.00
NEW Rinnai rxp199in Condensing Smart Sense Natural Gas Or Propane Tankless Water Heater, Indoor Or Outdoor Water Heater, Up To 11.1 GPM, 199,000 BTU
Amazon.com
216
Free shipping
$1,778.00
NEW Rinnai rxp199in Condensing Smart Sense Natural Gas Or Propane Tankless Water Heater, Indoor Or Outdoor Water Heater, Up To 11.1 GPM, 199,000 BTU
Amazon.com
216
$953.00
Rheem RTG-84DVLN-3 High Efficiency Non-Condensing Indoor Tankless Natural Gas Water Heater, 8.4 GPM
Amazon.com
89
Free shipping
$953.00
Rheem RTG-84DVLN-3 High Efficiency Non-Condensing Indoor Tankless Natural Gas Water Heater, 8.4 GPM
Amazon.com
89
$1,669.00
Rheem IKONIC rectgh-s11in Professional Grade Super High Efficiency Condensing Tankless Natural Gas Water Heater, 11.2 GPM
Amazon.com
2
Free shipping
$1,669.00
Rheem IKONIC rectgh-s11in Professional Grade Super High Efficiency Condensing Tankless Natural Gas Water Heater, 11.2 GPM
Amazon.com
2
$1,557.89
Noritz NR98SVNG 7.5 GPM Indoor/Outdoor Tankless Natural Gas Water Heater
Amazon.com
8
Free shipping
$1,557.89
Noritz NR98SVNG 7.5 GPM Indoor/Outdoor Tankless Natural Gas Water Heater
Amazon.com
8
$709.00
A.O. Smith Signature 100 40-Gallons Short 9-Year Warranty 40000-BTU Natural Gas Water Heater | G9-S4040NVR
Lowe's
627
$709.00
A.O. Smith Signature 100 40-Gallons Short 9-Year Warranty 40000-BTU Natural Gas Water Heater | G9-S4040NVR
Lowe's
627
$1,244.00
NEW Rinnai rx160in Condensing Smart Sense Natural Gas Or Propane Tankless Water Heater, Indoor Or Outdoor Water Heater, Up To 9 GPM, 160,000 BTU
Amazon.com
216
Free shipping
$1,244.00
NEW Rinnai rx160in Condensing Smart Sense Natural Gas Or Propane Tankless Water Heater, Indoor Or Outdoor Water Heater, Up To 9 GPM, 160,000 BTU
Amazon.com
216
$349.99
Aquah Indoor Natural Gas Tankless Water Heater 16L / 4.3 Gpm, Whole House
Amazon.com
$349.99
Aquah Indoor Natural Gas Tankless Water Heater 16L / 4.3 Gpm, Whole House
Amazon.com
$1,577.52
Rinnai cx199in Condensing Smart Sense Commercial Natural Gas Or Propane Tankless Water Heater, 199,000 BTU, 11.1 GPM
Amazon.com
15
Free shipping
$1,577.52
Rinnai cx199in Condensing Smart Sense Commercial Natural Gas Or Propane Tankless Water Heater, 199,000 BTU, 11.1 GPM
Amazon.com
15
$1,158.16
Rheem RTGH-95DVELN-3 Super High Efficiency Condensing Indoor Tankless Natural Gas Water Heater, 9.5 GPM With Wifi
Amazon.com
87
Free shipping
$1,158.16
Rheem RTGH-95DVELN-3 Super High Efficiency Condensing Indoor Tankless Natural Gas Water Heater, 9.5 GPM With Wifi
Amazon.com
87
$599.00
FOGATTI Natural Gas Tankless Water Heater Outdoor - Max 8.1 GPM 180,000 BTU, CSA Certified Compact Design On Demand Instant Hot Water Heater -
Amazon.com
158
Free shipping
$599.00
FOGATTI Natural Gas Tankless Water Heater Outdoor - Max 8.1 GPM 180,000 BTU, CSA Certified Compact Design On Demand Instant Hot Water Heater -
Amazon.com
158
$699.00
A.O. Smith Signature 100 40-Gallon Tall 9-Year Warranty 40000-BTU Natural Gas Water Heater | G9-T4040NVR
Lowe's
$699.00
A.O. Smith Signature 100 40-Gallon Tall 9-Year Warranty 40000-BTU Natural Gas Water Heater | G9-T4040NVR
Lowe's
$739.00
A.O. Smith Signature 100 40-Gallons Tall 6-Year Warranty 40000-BTU Natural Gas Water Heater | G6N-UT4040NVR
Lowe's
831
$739.00
A.O. Smith Signature 100 40-Gallons Tall 6-Year Warranty 40000-BTU Natural Gas Water Heater | G6N-UT4040NVR
Lowe's
831
$298.99
Ranein Natural Gas Tankless Water Heater, Indoor Max 3.6 GPM, 80,000 BTU Instant Hot Water Heater
Amazon.com
Free shipping
$298.99
Ranein Natural Gas Tankless Water Heater, Indoor Max 3.6 GPM, 80,000 BTU Instant Hot Water Heater
Amazon.com
Free shipping
$599.00
FOGATTI Natural Gas Tankless Water Heater Indoor - Max 7.5 GPM 170,000 BTU, CSA Certified Compact Design On Demand Instant Hot Water Heater -
Amazon.com
17
Free shipping
$599.00
FOGATTI Natural Gas Tankless Water Heater Indoor - Max 7.5 GPM 170,000 BTU, CSA Certified Compact Design On Demand Instant Hot Water Heater -
Amazon.com
17