Best Natural Gas Tankless Water Heater - April 2024

Excel Pro Tankless Gas Water Heater NATURAL GAS 6.6 GPM Whole House and for Hydronic heating Compare to Rinnai, Rheem,Noritz, Bosch FREE FLUE KIT

This compact , yet powerful unit - with gas inputs up to 140,000 BTU per hour - can meet all the hot-water needs of a small to medium American home or apartment. Designed to virtually do anything a 40-gallon tank-type water heater can do and much more The Wall mounted Excel Pro is design to work with hydronic baseboard or radiant floor heating applications, as well as provide domestic hot water to plumbing fixtures and appliances. LCD Display Control: Just set the desired water temperature The Excel Pro has an energy factor of 0.84-0.85. Excel Pro: Modulating Technology Tankless water heaters ... [Read More]

• ASIN: B06X3WQT1B
• UPC: 707239100098
• ASIN: B06X3WQT1B
• Brand: GASFLEX
• Manufacturer: EXCEL

Rinnai V65IN 6.6 GPM Indoor Low NOx Tankless Natural Gas Water Heater

Features ENERGY STAR Qualified Energy Factor of .82 for Natural Gas and Propane Certified for Installation in Manufactured (Mobile) Homes Leak detection shuts off water to unit to limit property damage Enhanced scale detection lessens possibility of serious, long-term damage to unit Temperature lock prevents accidental or unauthorized changes to water temperature Complies with South Coast Air Quality Management District 14 ng/J or 20 ppm NOx emission levels Rinnai Value Series Tankless Water Heater Product Warranty Dimensions Width: 14 Inches Height: 23 Inches Depth: 9 Inches Weight 45.6 Pound... [Read More]

• ASIN: B0084CPEDO
• UPC: 766156007095
• ASIN: B0084CPEDO
• Brand: Rinnai
• Size: Large
• Manufacturer: Rinnai

Eccotemp 45H-NG Outdoor 6.8 GPM Natural Gas Tankless Water Heater, White

The Eccotemp 45H-NG Outdoor Natural Gas Tankless Water Heater is the largest outdoor model of the Eccotemp tankless line. Rated at impressive 6.8 GPM and 150,000 BTU per hour, the 45H-NG can meet all the hot-water needs of a standard home or apartment with one or two bathrooms, as well as smaller commercial applications. The compact, wall mounted 45H-NG is powered by natural gas. With its fully automated control system, the Eccotemp 45H-NG is the ideal choice for any standard sized home. The Eccotemp 45H/HI series is CSA Certified for US and Canadian use guaranteeing a safe, easy, and enjoyabl... [Read More]

• ASIN: B00K2XLJH8
• UPC: 891876002393
• ASIN: B00K2XLJH8
• Brand: Eccotemp
• Size: 6.8 GPM
• Manufacturer: Eccotemp Systems

Rinnai V65EN 6.6 GPM Outdoor Low NOx Tankless Natural Gas Water Heater

Rinnai's V65E exterior-mount tankless water heater efficiently delivers up to 6.6-Gallon per minute (GPM) of hot water, making it perfect for your one to two and half bathroom home. This easy-to-install, ultra-compact unit lets you enjoy all the benefits of Rinnai tankless water heating. You'll experience clean, reliable hot water at a consistent pre-set temperature, while saving energy and precious floor space in your home.

• ASIN: B0084CPEDE
• UPC: 766156007118
• ASIN: B0084CPEDE
• Brand: Rinnai
• Size: Large
• Manufacturer: Rinnai

Rinnai RUC98iN Ultra Series Natural Gas Tankless Water Heater, Twin Pipe

Rinnai takes tankless water heating one step further with condensing technology that delivers more efficiency than ever before. Enjoy all the same tankless benefits you’ve come to expect from Rinnai, plus even greater energy savings. Features: 95% Thermal Efficiency Natural gas or propane Indoor Installation Only 98° F to 140° F Residential Temperature Range 98° F to 185° F Commercial Temperature Range Commercial Controller Must be Purchased Separately Gas Rate Input BTU's: 15,200 - 199,000 Electronic Ignition Meets California and Texas NOx Emissions Standards Compatible with Full Line o... [Read More]

• ASIN: B00OBVKBB2
• UPC: 766156008160
• ASIN: B00OBVKBB2
• Brand: Rinnai
• Size: Twin Pipe/Ultra
• Manufacturer: Rinnai

Takagi T-H3-DV-N Condensing High Efficiency Natural Gas Indoor Tankless Water Heater, 10-Gallon Per Minute

With gas inputs of 199,000 BTU, the T-H3 can produce enough hot water for four bathrooms in warmer climates or three baths in colder climates.

• ASIN: B00DDPZ5HM
• UPC: 671657140946
• ASIN: B00DDPZ5HM
• Brand: TAKAGI
• Size: Medium
• Manufacturer: Takagi

Takagi T-KJr2-OS-NG Outdoor Tankless Water Heater, Natural Gas

T-KJR2-OSNG Features: -Tankless water heater.-Natural gas.-Can be converted into a direct-vent unit.-Outdoor installation only.-BTU/hr: 19,500 140,000.-0.82 Energy factor.-Flow rate: 6.6 GPM maximum.-Cost-efficient and environmental friendly.-Perfect for light residential and radiant heating applications.-Energy star. Dimensions: -Overall dimensions: 20.5" H x 13.8" W x 6.7" D.

• ASIN: B0057X23NW
• UPC: 671657108236
• ASIN: B0057X23NW
• Brand: TAKAGI
• Size: -1
• Manufacturer: Takagi

EcoSmart ECO 27 Electric Tankless Water Heater, 27 KW at 240 Volts, 112.5 Amps with Patented Self Modulating Technology

Configured for cold climates or high flow rates. Well suited where incoming water temperature can drop below 45 F. For use in more demanding water usage applications. Self modulating flow sensor technology regulates the amount of energy required to heat the water needed. Digital temperature display showing the outlet water temperature setting. Uses (3) 9 KW standard Emerson electric heating elements with brass tops to prevent electrolysis. Copper heat exchanger. Automatic resettable thermostat. (3) 40 DP breakers required. 112A draw. Required wire: 3 sets 8 AWG. Pipe fitting: 3/4'' NPT. Energy... [Read More]

• ASIN: B002635ODW
• UPC: 762148098454
• ASIN: B002635ODW
• Brand: Ecosmart
• Size: 17 x 17 x 3.5
• Manufacturer: Ecosmart

Rheem RTG-84XLN-1 Tankless Water Heater, Grey

Rheem RTG is a series of mid-efficiency condensing tankless gas water heaters designed for continuous hot water. Industry leading low flow activation with a minimum flow rate of .26GPM and minimum activation flow rate of .40GPM ensures hot water is received even in low demand situations. Ultra Low NOx burner meets SCAQMD rule requirements of safety with low emissions. While our exclusive Guardian Overheat Film Wrap prevents our units from reaching the dangerous temperatures others can. Add in our maintenance notification settings, self-diagnostic system and EcoNet enabled mobile app feature (a... [Read More]

• ASIN: B077MXHW4H
• UPC: 020352671048
• ASIN: B077MXHW4H
• Brand: Rheem
• Manufacturer: Rheem

Eccotemp 20H Outdoor 6.0 GPM Natural Gas Tankless Water Heater

The Eccotemp 20H Outdoor Natural Gas Tankless Water Heater is one of the largest outdoor models of the Eccotemp tankless line. Rated at an impressive 6.0 gallons per minute (GPM) and 150,000 BTU per hour, the Eccotemp 20H-NG can meet all the hot-water needs of a standard home or apartment with one or two bathrooms, as well as smaller commercial applications. The compact, wall mounted Eccotemp 20H-NG is powered by natural gas. The Eccotemp 20H-NG is ready to install with its 110/120-volt UL listed power cord powering the internal exhaust fan and digital display. With its fully automated control... [Read More]

• ASIN: B07SPVM1JR
• UPC: 853868008257
• ASIN: B07SPVM1JR
• Brand: Eccotemp
• Manufacturer: Eccotemp Systems

Eccotemp 20HI Indoor 6.0 GPM Natural Gas Tankless Water Heater

The Eccotemp 20HI Indoor Natural Gas Tankless Water Heater is one of the largest indoor models of the Eccotemp tankless line. Rated at an impressive 6.0 gallons per minute (GPM) and 150,000 BTU per hour, the Eccotemp 20HI-NG can meet all the hot-water needs of a standard home or apartment with one or two bathrooms, as well as smaller commercial applications. The compact, wall mounted Eccotemp 20HI-NG is powered by natural gas. The Eccotemp 20HI-NG is ready to install with its 110/120-volt UL listed power cord powering the internal exhaust fan and digital display. With its fully automated contr... [Read More]

• ASIN: B07SMBDHQW
• UPC: 853868008264
• ASIN: B07SMBDHQW
• Brand: Eccotemp
• Manufacturer: Eccotemp Systems

Eccotemp fvi12-NG FVI-12 Natural Gas, 3.5 GPM, High Capacity Tankless Water Heater, White

The incredibly efficient Eccotemp FVI-12 Natural Gas Tankless Water Heater uses an intense gas-fired flame to instantly heat water the moment it passes through the unit, so as long as you feed water in, hot water will come out! Comes ready to install. With the included horizontal vent kit, this Eccotemp FVI-12 Natural Gas Tankless Water Heater can be installed for indoor use right out of the box. Great for cabins and smaller homes, so you don't bust your budget for a hot shower! The Eccotemp FVI-12 Natural Gas Tankless Water Heater is a manual water heater. This means that any water temperatur... [Read More]

• ASIN: B00388M4B4
• UPC: 891876002096
• ASIN: B00388M4B4
• Brand: Eccotemp
• Manufacturer: Eccotemp Systems

Noritz NRC66DVNG Indoor Condensing Direct Tankless Hot Water Heater, 6.6 GPM - Natural Gas

The NORITZ NRC66DV is a fully condensing tankless water heater with an advanced heat exchanger design and built-in controller. With flow rates up to 6.5 gallons per minute the NRC66DV delivers the highest flow rates in its category and can be vented using 3" Schedule 40/80 PVC, PP or CPVC.  Various adapters and terminations are available to allow for a wide array of venting options.  This unit ships complete with a 6' power cord.  IK-WV-200-1-XX-LF valve kit (required for installation) is sold separately. Common companion items include rain cap (PRC-1), atmospheric conversion kit (SVCK-3) a... [Read More]

• ASIN: B00CI4YS3G
• UPC: 727904482106
• ASIN: B00CI4YS3G
• Brand: Noritz
• Manufacturer: Noritz

Camplux 12L 3.18 GPM Indoor Tankless Natural Gas Water Heater

1.The Camplux CA318 is perfect for vacation cabins, cottages, and smaller homes. 2.This model has a sleek, black tempered glass casing with automatic temperature controls and a touch screen with an LED digital display that shows the output temperature reading. 3.It comes with a horizontal stainless steel vent pipe, ready to install and with its 120-volt power cord powering the internal exhaust fan and digital display. 4. For indoor installation with safe, efficient power ventilation. Stainless vent pipe included. 5 It delivers up to 3.18 Gallons Per Minute of hot water ranging from 95-149 d... [Read More]

• ASIN: B07DNB8L18
• ASIN: B07DNB8L18
• Brand: CAMPLUX ENJOY OUTDOOR LIFE
• Size: 12 L / 3.18 GPM
• Manufacturer: CAMPLUX

Takagi T-KJr2-IN-NG Indoor Tankless Water Heater, Natural Gas

T-KJR2-INNG Features: -Tankless water heater.-Natural Gas.-Can be converted into a direct-vent unit.-Indoor installation only.-BTU/hr: 19,500 140,000.-0.82 Energy factor.-Flow rate: 6.6 GPM maximum.-Cost-efficient and environmental friendly.-Perfect for light residential and radiant heating applications.-Energy star. Dimensions: -Overall dimensions: 20.3" H x 13.8" W x 6.7" D.

• ASIN: B0057X27OC
• UPC: 671657108212
• ASIN: B0057X27OC
• Brand: TAKAGI
• Size: -1
• Manufacturer: Takagi

Camplux Pro BD158 6 Litre 1.58 GPM Pro Series Outdoor Portable Tankless Gas Water Heater

The 1.58 GPM Camplux portable tankless water heater is perfect for campsites, cabins, or simply around the house. Wash your car, wash your boat, take a hot shower, wash the dogs or the horse. The

• UPC: 716748562
• Model: Pro BD158
• Color: Multicolor
• Size: 11.6111.61*4.33*17.32 in
• Rating: 5.0

EcoSmart ECO11 240V 11 kW Electric Tankless Water Heater

Save up to 60% on your water heating cost with an EcoSmart electric tankless water heaterProvides continuous hot water for ultimate conveniencePatented Self Modulating technology and designDesigned with standard and reliable easy to service elements

• UPC: 37470817
• Model: ECO 11
• Color: Multicolor
• Size: 11ECO11
• Rating: 4.375

BestEquip 16L Propane Hot Water Heater 4.3GPM 32KW Tankless Instant Boiler Stainless Steel Liquefied Petroleum Gas Water Heater with Shower Head Kit Wall-Mounted Water Heater

16L Propane Tankless Water Heater 4.3GPM 32KWSpecificationsTankless 16L Gas Water Heater 4.3 GPMHeat Output Power: 32 KWGas Pressure(LPG): 2800 PaUse Gas Type: Liquefied Petroleum Gas (LPG)Rubber Gas Hose(Outer diameter): 20 mm / 0.79"Suitable Water Pressure:

• UPC: 176980521
• Size: 1616L, Propane
• Rating: 4.2

Marey 10L 3.1GPM Gas Tankless Water Heater Instant Hot Water

The MAREY GA10NG Indoor Natural Gas Tankless Water Heater can provide up to 4.3 Gal. per minute for a perfect shower at 115°F output water temperature. It is also called water heater on demand, because

• UPC: 40276036
• Model: GA10NG
• Color: Silver
• Size: 10 L10
• Rating: 3.75

Atmor 13kw/240V Supreme Series Electric Tankless Instant Water Heater, Point of Use

Save Energy, Water, Money , Time - Atmor offers the efficient and convenient water heating solution you have been looking for. Atmor 13kW/240V Supreme Series Point-of-Use Tankless Electric Instant Water Heater provides an unlimited flow

• UPC: 172889900

Eccotemp Systems 45HI-NG 45HI-NG Indoor Natural Gas Tankless Water Heater

Natural Gas Whole House Tankless Water HeaterThe Eccotemp 45HI-NG is the largest indoor model of the Eccotemp tankless line. Rated at impressive 6.8 GPM and 140,000 BTU per hour, the 45HI-NG can meet all the

• UPC: 336226902
• Model: 45HI-NG
• Color: Multicolor
• Size: Color
• Rating: 4.25

Eccotemp i12-LP Horizontal Bundle

The Eccotemp i12-LP has a new revolutionary design, making it unlike any other tankless water heater on the market today. This model features sleek black tempered glass paneling, fully automatic temperature controls for precision, and

• UPC: 601581235
• Model: i12-LPHB
• Color: Black
• Size: Liquid Propane Horizontal Bundle
• Rating: 4.5

Atmor 3kW/110V Single Sink 0.5 GPM Electric Tankless Water Heater with Pressure Relief Device and 0.5 GPM Aerator

The Atmor Tankless Electric Instant Water Heater is the eco-friendly, efficient and convenient solution you have been looking for — delivering to you an endless supply of hot water instantaneously at the point of use

• UPC: 38537392
• Model: AT-900-03
• Color: White
• Size: Tankless Water Heater
• Rating: 4.0

Atmor 3kW/110V Supreme Series Electric Tankless Instant Water Heater, Single Sink, Point of Use

Save Energy, Water, Money , Time - Atmor offers the efficient and convenient water heating solution you have been looking for. Atmor 3kW/110V Supreme Series Point-of-Use Tankless Electric Instant Water Heater provides an unlimited flow

• UPC: 805111735
• Rating: 1.0

Eccotemp 45HI-NG Indoor Natural Gas Tankless Water Heater

The Eccotemp 45HI-NG is the largest indoor model of the Eccotemp tankless line. Rated at impressive 6.8 GPM and 140,000 BTU per hour, the 45HI-NG can meet all the hot-water needs of a standard home

• UPC: 49317398
• Model: 45HI-NG
• Color: White
• Size: Natural Gas
• Rating: 4.0

Water Heater Best Tankless Natural Gas Marey GA10NGDP 2.7 GPM

• UPC: 161826933962
• Category: Tankless Water Heaters
• Price: 235 USD

Water Heater Natural Gas Tankless Best Tiny House Marey GA5NG 1.3 GPM On Demand

• UPC: 161444028543
• Category: Tankless Water Heaters
• Price: 171 USD

Natural Gas Water Heater Tankless On-Demand Marey GA10NG 2.7 GPM Best US Seller

• UPC: 151784221701
• Category: Tankless Water Heaters
• Price: 232 USD

 Water Heater Tankless Marey (Natural Gas) GA10NGDP  3.1 GPM Best On Demand 

• UPC: 303066920017
• Category: Tankless Water Heaters
• Price: 247 USD