Best Gas Water Heaters 40 Gallon 2023

SaleBestseller No. 1
Bosch Thermotechnology 40-Gallon Tall Electric Storage Water Heater, Gray
37 Reviews
Bosch Thermotechnology 40-Gallon Tall Electric Storage Water Heater, Gray
  • APPLICATION: Dimensions : 18.25" W x 61.60" H x 18.25" L. Perfect size for a maintenance closet, access closet under the stairs, crawl space. Ideal for replacement projects.
  • DURABILITY: Two magnesium anode rods for extra tank protection. Dielectric heat trap. Heavy gauges steel tank for extra years of trouble-free service. Glass-lined steel tank to help prevent corrosion.
Bestseller No. 2
Reliance 6-40-NOCT 400 35500 BTU Tall Natural Gas Water Heater, 40 gallon
  • Pex polymer lined heat trap nipples
  • Aluminum anode rod
Bestseller No. 3
Natural Gas Tankless Water Heater, FOGATTI Indoor 7.5 GPM, 170,000 BTU White Instant Hot Water Heater, InstaGas Comfort 170 Series
  • We recommend that all installations of units must be done by 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.
Bestseller No. 4
Rheem Prestige High Efficiency 9.5GPM Indoor Natural Gas Tankless Water Heater
  • Hot water without the wait - or the waste
  • Low operating cost - High energy efficiency and water savings setting
Bestseller No. 5
Rinnai V53DeN Natural Gas Tankless Hot Water Heater, 5.3 GPM, Outdoor Installation
  • Endless Hot Water: Enjoy unlimited hot water flow throughout the house; compact, durable, and easy to install; professional installation recommended
  • Energy and Space Efficient: Space-saving design conserves energy as it heats only when necessary.
SaleBestseller No. 6
Rheem PROG50-42N RH67 PV Professional Classic Residential 42K BTU Power Vent Natural Gas Water Heater, 50-Gallon
  • Uses indoor air for combustion; blower exhausts the flue gases
  • Exclusive air/fuel shut-off device. Maintenance free - no filter to clean
Bestseller No. 7
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
  • 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.
Bestseller No. 8
RELIANCE WATER HEATER CO 9007884005 Honey Electronic Gas Valve
  • Note : This is a gas control valve and should be installed by a professional and not by homeowner as that potentially voids any warranty by not including professional installation.
  • This product adds a great value
Bestseller No. 9
Natural Gas Tankless Water Heater Indoor, Camplux 2.64 GPM On Deamnd Hot Water Heater, CM264-NG, White
  • 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.
  • 6-IN-1 Multiple Protection- Flame-out protection, anti-freezing protection (manual drainage needed), over-heating protection, air flow pressure switch protection to ensure the safety. Safe electronic ignition system, plugs into standard 120V electrical outlet with UL-listed cord.
Bestseller No. 10
A.O. Smith GCG-50 ProMax Tall Gas Water Heater, 50 gal
  • Blue Diamond glass coating provides superior corrosion resistance to industry-standard glass lining
  • Self-powered electronic gas valve uses thermopile to generate power needed to operate the electronic gas control without requiring external power

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Last update on 2023-03-20 / Affiliate links / Images from Amazon Product Advertising API

Julie Philips
Julie Philips
Julie looks after everything homes-related, from kitchen appliances to gardening tools. She also covers smart home products too, so is the best point of contact for any household advice! She has tested and reviewed kitchen appliances for over 6 years, so she knows what to look for when finding the best. Her favorite thing to test has to be stand mixers as she loves to bake in her spare time.

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