Top 10 Best Natural Gas Water Heater 40 Gallon Reviews in 2022

10 Best Natural Gas Water Heater 40 Gallon are being loved and sold, many people are interested in giving good reviews for the quality. Statistics from experts and trusted sources to help your family make the best choice below.

The Best Natural Gas Water Heater 40 Gallon In 2022

$409.99
in stock
2 new from $399.99
as of May 5, 2022 12:51 am
Amazon.com
$299.99
in stock
as of May 5, 2022 12:51 am
Amazon.com
$699.99
in stock
2 new from $699.99
as of May 5, 2022 12:51 am
Amazon.com
$228.70
$299.00
in stock
22 new from $228.70
3 used from $171.11
as of May 5, 2022 12:51 am
Amazon.com
$699.99
in stock
2 new from $699.99
as of May 5, 2022 12:51 am
Amazon.com
$148.00
$155.00
in stock
3 new from $148.00
3 used from $103.24
as of May 5, 2022 12:51 am
Amazon.com
$599.99
in stock
2 new from $599.99
as of May 5, 2022 12:51 am
Amazon.com
$43.50
in stock
4 new from $43.48
as of May 5, 2022 12:51 am
Amazon.com
$141.55
in stock
20 new from $141.44
1 used from $114.38
as of May 5, 2022 12:51 am
Amazon.com
Last updated on May 5, 2022 12:51 am

Lis The Best Natural Gas Water Heater 40 Gallon Reviews

Tankless Water Heater Natural Gas, Camplux Instant Hot Water Heater, 3.18 GPM Natural Gas Tankless Water Heater, Whole House Gas Water Heater, Indoor, Black

$409.99  in stock
2 new from $399.99
Free shipping
Amazon.com
as of May 5, 2022 12:51 am

Features

  • 3.18 GPM Instant Constant Water Heater -Camplux 3.18 GPM tankless water heater natural gas delivers 3.18 gallons per minute of on-demand endless hot water ensures constant comfortable instant hot water for 2-3 persons whole house. 3.18-GPM heater is activated by water flow rather than water pressure; Minimum activation water capacity rate: 0.65 GPM-4.8 GPM; Maximum input rating: 82,000 BTUs; Water connection location/size: Bottom/0.5-inch NPT.
  • Convenient, Easy Installation -The tankless water heater uses standard 1/2" BSP water fitting and gas inlet. The water heater comes with1/2 " BSP female to 1/2" NPT male gas connector adapter then you want hook this water heater to natural gas pipe directly.It also comes with 2.3" horizontal vent pipe,ensures efficient power ventilation. You can take Camplux customized wall thimble-WT236 for perfect indoor use.
  • Modern Design,Easy Operation -Trendy and modern design with unique black glassy front panel,easy to control the water temperature with LED touchscreen (Fahrenheit and Celsius switch optional).The compact size instant water heater saves more space than traditional tanks.
  • Outstanding Features- The Camplux tankless hot water heater comes with oxgen-free copper heat exchanger and v-type stainless steel burner,high heating efficiency up to 89.98 %; 90°wind isolation design, this tankless natural gas water heater can anti backflow wind in high floors, the S/S 2.36 ” vent pipe exhaust harmful gases quickly.
  • 6-In-1 Protection Ensure Your Safety- Dry combustion,flame failure device, anti-freezing protection, over heating protection to ensure your safety. Fully automatic temperature controls with an energy saving mode and child lock technology.

CAMPLUX ENJOY OUTDOOR LIFE CM264-NG Natural Gas Residential Water Heater, 10L

$299.99  in stock
Amazon.com
as of May 5, 2022 12:51 am

Features

  • 2.64 GPM Instant Hot Water -Camplux 2.64 GPM natural gas tankless water heater delivers 2.64 GPM on demand endless hot water ensures instant hot water for any small homes, cabins or apartments. On demand water heater only heats the water when you need it and no waiting for preheat.
  • 2.64 GPM Instant Hot Water -Camplux 2.64 GPM natural gas tankless water heater delivers 2.64 GPM on demand endless hot water ensures instant hot water for any small homes, cabins or apartments. On demand water heater only heats the water when you need it and no waiting for preheat.
  • Easy Installation -The tankless water heater uses standard 1/2" BSP water fitting and gas inlet. The water heater comes with 1/2 " BSP female to 1/2" NPT male gas connector adapter then you want hook this water heater to natural gas pipe directly.It also comes with 2" horizontal vent pipe,ensures efficient power ventilation. Minimum activation rate: 0.65 GPM; Maximum input rating: 68,000 BTU; Water connection location/size: Bottom/0.5-inch NPT.
  • Compact Design,Energy saving -The compact size instant hot water heater saves more space than traditional tanks.Trendy and modern design with fahrenheit digital temperature display. Eco and Full gas switch for energy saving and get ideal hot water temperature.
  • Considerate Customer Service- Here at Camplux, customer service is everything ! We offer 24 shift hours customer service make the customer experience easy and fast through our live chat, phone support & our online helpdesk. Have a question? Give us a call at (844) 538-7475.

Natural Gas Tankless Water Heater, Fogatti Indoor 7.5 GPM, 170000 BTU White Instant Hot Water Heater

$699.99  in stock
2 new from $699.99
Free shipping
Amazon.com
as of May 5, 2022 12:51 am

Features

  • We recommend that all installations of units must be done in accordance with the local building and plumbing codes of the installation location and installation be done by a licensed professional.
  • The tankless design means you don't have to wait 30 minutes for preheating and unlimited use of hot water.
  • 170,000 BTU high heating capacity and maximum 7.5 GPM. It is suitable for 3-4 outlet points, which can satisfy whole family. UEF over 0.82, the high energy conversion rate can effectively reduce energy loss.
  • Excellent quality CSA certified in the United States and Canada. Adopting the world's most advanced technology, superior safety and durability.
  • Using built in forced exhaust fan at the bottom ensures stable combustion and eliminates the influence of external wind. Compact design for easy installation.

Natural Gas Tankless Hot Water Heater, Camplux 5.28 GPM On Demand Natural Gas Water Heater Outdoor, Gray

$599.99  in stock
Amazon.com
as of May 5, 2022 12:51 am

Features

  • On-Demand Tankless Water Heater-Camplux advanced 5.28 GPM high efficiency flow control natural gas tankless water heater delivers 5.28 gallons per minute of on-demand endless hot water to suit medium- and smaller-sized homes. Automatically activates on water pressure between 7.0-150 PSI.
  • Constant & Sustainable Hot Water Solution -CSA certified balanced combustion design ,features with over-high wind pressure safety protection,Ipx4 water resistant protection, over-loaded electric protection,fan failure protection, equipped with PCB start up self-test &real-time intelligent monitoring, timely warning of potential gas fire and hydro power to ensure your family's safety.
  • Affordable & Efficient Savings -PCB frequency conversion intelligent control, temperature intelligent adjustment, environmental protection and durability, truly outstanding energy saving. Man-machine dialogue, heating without waiting. This residential constant model saves time, money and energy while producing safe, endless hot water for whole home at an affordable rate.
  • High Thermal Efficiency & High-Rise Wind Resistance-Phosphorus deoxidized copper heat exchanger with high temperature and corrosion resistance technology for full combustion and high thermal efficiency up to 92% . It can resist grade 8 wind speed and 240Pa high anti-wind pressure. Additionally, a wind pressure sensor is added to perceive the external wind force in real time and automatically adjust the fan, flame and maintain stable combustion.
  • Considerate Customer Service -Here at Camplux, customer service is everything! We offer 24 shift hours customer service make the customer experience easy and fast through our live chat, phone support & our online helpdesk. Have a question? Give us a call at (844) 538-7475.

EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology

$299.00
$228.70
 in stock
22 new from $228.70
3 used from $171.11
Free shipping
Amazon.com
as of May 5, 2022 12:51 am

Features

  • Endless On-Demand Hot Water; Consistent hot water when you need it that never runs out; Continuously monitored water temperature and controlled flow rates ensure efficiency and consistent performance within 1 degree of selected temperature
  • Save Space; EcoSmart tankless electric water heaters are 90% smaller than traditional tank heaters; may be installed on wall or at point of use; Dimensions 11.5 x 8 x 3.75 inches
  • Save Energy; EcoSmart tankless electric water heaters are 99% thermal energy efficient; Only heats water when called unlike a tank heater that maintains water temperature even when not being used.
  • EcoSmart ECO 11 Sizing; 13-kilowatt tankless electric water heater ideal for providing hot water for a bathroom, small sink, office breakroom and other point-of-use or low-flow applications; provides between 1.3 and 3.1 gallons-per-minute depending on the inlet water temperature; refer to the sizing guide to select the proper solution

Natural Gas Tankless Water Heater, Fogatti Outdoor 8.1 GPM, 180000 BTU White Instant Hot Water Heater

$699.99  in stock
2 new from $699.99
Free shipping
Amazon.com
as of May 5, 2022 12:51 am

Features

  • We recommend that all installations of units must be done in accordance with the local building and plumbing codes of the installation location and installation be done by a licensed professional.
  • The tankless design means you don't have to wait 30 minutes for preheating and unlimited use of hot water.
  • 180,000 BTU high heating capacity and maximum 8.1 GPM. It is suitable for 3-5 outlet points, which can satisfy whole family. UEF over 0.82, the high energy conversion rate can effectively reduce energy loss.
  • Excellent quality CSA certified in the United States and Canada. Adopting the world's most advanced technology, superior safety and durability.
  • Using built in forced exhaust fan at the bottom ensures stable combustion and eliminates the influence of external wind. Compact design for easy installation.

Reliance Hot Water Heater Gas Control Valve 100112336 1" Cavity Thermostat Compatible with Reliance, State, A.O. Smith, and American branded heaters

$155.00
$148.00
 in stock
3 new from $148.00
3 used from $103.24
Free shipping
Amazon.com
as of May 5, 2022 12:51 am

Features

  • PLEASE PROVIDE MODEL AND SERIAL NUMBER OF YOUR WATER HEATER IF YOU NEED US TO DETERMINE CORRECT GAS VALVE PART NUMBER!
  • Gas control valve is compatible with all A.O. Smith manufactured products including A.O. Smith, Reliance, State, and American branded heaters
  • Temperature control assembly 100112336 supplies the burner with gas to heat the water
  • Returning part because you purchased on that doesnt fit your heater is not allowed! Please confirm it fits by messaging us.
  • A service technician is recommended for the repair to ensure the gas supply line is leak free

Tankless Hot Water Heater Natural Gas, Camplux On Demand Instant Hot Water Heater 5.28 GPM, Indoor, Gray

$599.99  in stock
2 new from $599.99
Free shipping
Amazon.com
as of May 5, 2022 12:51 am

Features

  • Endless Hot Water. No need to wait 30 minutes for preheating and limited use of hot water like with a tank water heater. Enjoy unlimited hot water flow throughout the house.The instant hot water heater is suitable for 2-3 outlets for the whole family.
  • Energy & Space Efficient. This tankless water heater has a space-saving design conserves energy as it heats only when necessary. With a UEF of over 0.82, the high energy conversion rate can effectively reduce energy loss, saving the family energy and money.
  • Optimal Water Pressure. With 5.28 GPM and 150,000 BTU heating capacity through propane gas intake. High-performance up to 5.28 GPM hot water flow rate for a powerful, constant stream.
  • Installation Tips. The water heater does not include vent pipe ( try Camplux model CP-70 ), hot and cold isolation valves, pressure relief valve and venting, please purchase separately, professional installation recommended.
  • Multiple Safety Protection. CSA certified in the United states and Canada. The gas hot water heater features 6-in-1 multiple safety protections, you don’t need to drain the water during frozen winters.

Reliance Gas Thermopile Assembly 100112330 Water Heater Pilot Assembly Compatible with Reliance, State, A.O. Smith, and American Branded Heaters

$43.50  in stock
4 new from $43.48
Free shipping
Amazon.com
as of May 5, 2022 12:51 am

Features

  • Gas Thermopile Assembly for hot water heaters 100112330
  • PILOT/THERMOPILE W/TUBING,NATURAL
  • A service technician is recommended for this repair because the gas supply line connections must be checked for leaks after the repair
  • We need the model and serial number of your water heater in order to determine the correct part number. You can find that information on the metal data plate located on the side of your heater. Please provide that information in a private message to us for fastest reply time. Thank you!

Honeywell WT8840B1000 Water Heater Gas Control Valve, NAT 160 Degree F 1" Cavity

$141.55  in stock
20 new from $141.44
1 used from $114.38
Free shipping
Amazon.com
as of May 5, 2022 12:51 am

Features

  • Mounting in the upright position
  • Temperature ratings: ambient-- 0 c to 60 c. Inlet/Outlet Size (in.) - 1/2 inch. NPT x 1/2 inch. Inverted Flare. Capacity - Min. 30 ft3/hr, Max. 75ft3/hr
  • Pressure regulator setting (psi): 5.0 in. Wc
  • Temperature Range: 32 to 150 F
  • An included integrated NTC temperature sensor reads water temperature within the appliance up to 221 F (105 C)

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