Best 40 Gallon Gas Water Heater

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Pop Expert

Looking for the Best 40 Gallon Gas Water Heater available to buy right now on Amazon but don’t want to have to do all the research on the pros and cons of the different types of 40 Gallon Gas Water Heater?

Pop Expert have put together this list of the top 10 selling 40 Gallon Gas Water Heater on Amazon – sorted by overall popularity and positive consumer reviews.

The Pop Expert list of top selling 40 Gallon Gas Water Heater is the ideal place to start when you are trying to find the Best 40 Gallon Gas Water Heater for your neeeds.

Popular 40 Gallon Gas Water Heater on Amazon

Details on the Best 40 Gallon Gas Water Heater

Bestseller No. 1
Bosch Thermotechnology 40-Gallon Tall Electric Storage Water Heater, Gray
27 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.
  • WARRANTY: 10-year tank and parts limited warranty
  • EFFICIENCY: HFO foam insulated, reducing fuel costs and increasing energy efficiency. Double heating elements conserve energy. Incoloy elements for a long-lasting unit
  • CONVENIENCE: Factory-installed electric hot and cold water connections for extended tank life. Easy-to-use plastic drain valve for maintenance. Factory-installed heat traps reduce heat loss. Temperature and pressure relief valve included. Fully-automatic surface mount thermostats
Bestseller No. 2
State Proline Atmospheric Vent Series 40 Gallon Capacity 40,000 BTU Heating Input Short Gas Water Heater
  • 67 Gallons per Hour First Hour Rating
  • 0.58 Uniform Energy Factor Rating
  • 41 Gallons per Hour Recovery at 90°F Rise
  • Dimensions: 48" H x 22" D
Bestseller No. 3
AO Smith 40 Gallon 40,000 BTU Water Heater
  • 40 gallon tank
  • 40,000 BTU
  • GCR-40 standard vent
  • 6 year limited tank warranty
On Sale!Bestseller No. 4
EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology
  • 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.Amperage Draw : 54 A.Special Features: ‎Energy Efficient
  • 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
On Sale!Bestseller No. 5
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
  • This product is manufactured in China

Newest 40 Gallon Gas Water Heater

Midea 13KW Electric Tankless Water Heater, Touch Control, Wi-Fi Control, LED Display, Child Mode, 240 Volts with Automatic Power Modulation, On-demand Hot Water, White
  • 【Instant & Endless Hot Water】With real powerful 13kW smart heating system, the tankless hot water heater electric ‎MHE13W2AWW supplies sufficient instant and endless hot water of 130℉ or higher in seconds, no waiting for preheating nor terrible temp fluctuation during shower time any more and no worry of running out of it. Perfect companion for small apartment use, including shower, sink faucets, dishwasher, washing machine, etc.
  • 【Smart Control APP】Facilitate you to quickly choose a suitable heating mode by Smart Home APP at anytime and anywhere. You can preset your preferred temperature in every mode. Recommed 90℉ for vegetables, and fruits dishing well. Recommend 104℉ for caring your kids gently.
  • 【Convenient Use】The electric tankless water heater 13kW comes with digital display & touch control panel so temp setting is easy job. Best of all, useful information on the screen helps you get full understanding of the working status of the 240V water heater tankless, you needn’t go through hard lesson of setting. Now turn on the faucet and let the smart instant hot water heater do the rest.
  • 【Save Energy】Water is only heated when you need it, not stored in a hot water tank. The self-modulating temperature technology only uses energy to heat up water while you are using it to save up to 50% on water heating costs compared to a typical tank water heater.
  • 【Space Saving】That water heater in the basement or utility closet takes up a ton of space. This wall-mounted water heater uses 90% less space than a traditional hot water heater with a tank.
Tankless Water Heater,4.22GPM 16L Outdoor Portable Gas Hot Water Heater Instant Propane Water Heater with Digital Display for RV Camping Trips Boat Cabins
  • Easy To Install: It only takes you 5 minutes to set up and it comes with all necessary accesories.To avoid gas leakage caused by improper sealing of the water heater, do not wrap teflon tape between the gas regulator and the gas intake pipe. Instant water heaters can "catch fire" if improperly operated. Check for gas leaks before operation.
  • Efficient Heating Water:The Propane Water Heater exchanger and main burner are desinged with advanced combustion technology to decrease gas consumption and burning noise.The maximum power output can reach 110000btu per hour, twice that of ordinary products of the same type.
  • Save Energy & Large Volume of Hot Water Output: The Propane Water Heater can save your energy as much as posssible.Compact and lightweight structure with 11.5% energy saving technology.Automatically decrease water pressure between 2.9-116PSI,4.22 gallons of hot water can be output per minute.
  • Keep Your Hot Water Experience Safe:Flame failure device, anti-freezing protection, over heating protection to ensure your family safety. Gas supply automatically shut off when high water temperature protection over 185°F.Applicable only Propane.
  • CE & UL Approved Safety & Widely Application: Tankless Water Heater with CE & UL Approved Regulator, safe as per EU and US Standard.Our gas water heater is mainly used for outdoor showering with hot water,such as Camping, Hiking, Fishing, Beaching, RV/SUV/MPV,etc.
Xverycan Tankless Water Heater 4.23GPM 16L Propane Gas Water Heater, 32KW LPG RV Hot Water Heater with Overheating Protection, LED Display, Multi-Protection, for Home Camping Boat RV Shower
  • 【SUPER SPEED HEATING】Tankless gas water heater features 4 x 250mm burner and durable high quality pure copper tubes with high thermal conductivity that allows it to quickly heat up cold water in 2.5 seconds. Just 0.03MPa ultra-low water pressure to start up, maximum output rated heat 32kW, delivers a massive 16LPM (4.23GPM) instant hot water flow. Hot water temperatures up to 65°C(149°F), you can see the water temperature changes on LED digital display.
  • 【SAFETY FEATURES】Our propane gas water heater is equipped with multiple protection features, such as automatic ignition system, flame failure protection, incomplete combustion safety device, overheat protection, pressure safeguard, low water pressure start-up, etc., to improve the safety of use. It can work normally under the temperature of -8~45℃ (46.4℉~113℉), perfect for home, caravan, racecourses, outdoor camping use.
  • 【ENERGY EFFICIENT】Advanced combustion and energy saving technology ensures that the gas is fully utilised, with a thermal efficiency of up to 80%, which saves on gas costs and allows you to get more hot water for less money. (In spring and summer, you can also choose the summer model, which will shut off 1/4 of the burner, reducing your energy by 40%!) With silicone grease sticker inside, which can effectively dissipate heat during use and prolong the service life.
  • 【COMPLETE ACCESSORIES】This tankless rv water heater comes with a shower head (stainless steel hose and shower seat), 1*gas pipe brass fitting, 2*G 1/2" female to 3/8" NPT male brass fittings, 1* manual. There are 3 connections underneath the propane water heater, gas inlet: G1/2''; hot water outlet: G1/2'', water inlet: G1/2''; exhaust port type: 4.3" flue (exhaust pipe not included); Working water pressure: 0.03~0.08MPa(4.35-11.6PSI); Gas pressure: 2800Pa(0.41PSI).
  • 【SIMPLE INSTALLATION & OPERATION】Power source by 2*D type batteries (not included), ideal for off-grid areas; Gas water heater uses liquefied petroleum gas (LPG), propane, butane as the main source of energy; Be sure to place the supplied rubber gaskets when installing the gas inlet pipe, hot water outlet pipe and cold water inlet pipe to to prevent leakage. Air tightness test must be carried out before first use. Users can use soapy water to check gas leaks on the product.
On Sale!New
VEVOR Electric Mini-Tank Water Heater, 4-Gallon Tank Hot Water Boiler Storage, 1400W Power, Safety Temperature Pressure Valve Easy Install, for Kichen Bathroom Restaurant, Shelf Wall Floor Mounted
  • 4 Gallon Water Capacity: Whether in winter or summer, the water heater provides abundant warm water, meeting various water needs for the whole family, dishwashing, laundry, and more. you can eliminate the waiting time for hot water to reach the faucet, thus saving water.
  • 310S Stainless Steel Heater: At 1400W high power, this mini water heater provides constant hot water 24/7. It reaches up to 145°F / 62.8°C. An anti-corrosion inner tank for lasting warmth, durability, and leak prevention.
  • Temperature Pressure Safety Valve: This heater tool is equipped with a temperature pressure safety valve, significantly enhancing its safety during use. Along with other safety protection features, ensuring comfortable and secure water use throughout the day.
  • Considerate Details: This storage water heater features a top-mounted safety valve for added peace of mind. Its user-friendly knob lets you adjust temperature easily. It offers a comfortable experience with both cold and hot water connections.
  • Compact and Easy Installation: The compact water boiler saves space and allows for easy installation. You can easily install on shelves, walls, or floors (with water inlet and outlet facing upward) by following the instructions
Tankless Water Heater Natural Gas,4.74GPM 18L Indoor,Instant Hot Gas Water Heater,Constant Natural Water Heater with Fahrenheit Digital Display,Multi-Protection (Black)
  • 【Tankless Water Heater】- Natural Gas water heater tankless Steady Steady Temperature Control with more safety protection such as flame failure device,anti-freezing protection,over heating protection,Just need 3.6PSI of water pressure,4.74gallons of hot water can be output per minute.The maximum temperature raise is 167°F,Applicable only Natural Gas(LNG)
  • 【Efficient & Energey Saving】-The 4.74 GPM Instant Natural Gas Water Heater ,Maximum power output 68000btu/hour,on-demand hot water for 2-3 points simultaneous water supply for bathroom,kitchen hot water demand,Natural Gas Water Heater exchanger and main burner are desinged with advanced combustion technology to decrease gas consumption and burning noise.
  • 【Quality Material】-This of ours Water Heater Crafted from stainless steel, our Propane water heater exhibits high temperature resistance and corrosion resistance. It also features a built-in oxygen-free copper water tank, reduce heat loss ensuring a prolonged service life.with with LED smartdigital display effortlessly adjust the temperature between 86°F-167°F according to your preferences.
  • 【Easy Assemble and Use】-Applied with standard 1/2" NPT water fitting and gas inlet, comes with 2.5" horizontal vent pipe for quick installation.Note: For normal operation, this product must be installed with proper ventilation and a smoke exhaust pipe.
  • 【Widely Application 】-Save over 50% of available space compared to tank water heater.for both bathroom and kitchen hot water demand. great for home,small cabins and remote apartments indoor installation. without the need to install an expansion tank,Note: In cold weather, if the water heater is not used for a long time, it is necessary to open the pressure relief valve to drain the residual water in the water heater.