Top 10 Must-Haves & Best Propane On Demand Water Heater, 2023 Review Roundup

The propane on demand water heater is a great choice for those in need of a reliable, efficient, and affordable water heating solution. This heater uses propane as its fuel source, providing a cost-effective way to heat water quickly and efficiently. It features a stainless steel heat exchanger that is corrosion-resistant, a temperature-controlled thermostat, and a digital control panel to make setting the temperature to your desired level easy. The heater also includes a built-in safety shutoff valve to protect against over heating. Installation is quick and easy, and the heater is designed to maintain the desired temperature for as long as you need. This propane on demand water heater is perfect for those looking for an efficient and cost-effective way to heat water.

# Product Title Rating Details
1 Portable Water Heater, Camplux 1.5 GPM Tankless Gas [...] Portable Water Heater, Camplux 1.5 GPM […]

3.7

2 Tankless Water Heater 5.26GPM 20L Outdoor Portable [...] Tankless Water Heater 5.26GPM 20L […]

3.8

3 Tankless Water Heater, GREATBEAR 2.64GPM Propane Gas [...] Tankless Water Heater, GREATBEAR […]

3.8

4 Portable Water Heater Propane Tankless - 6L 1.58GPM RV [...] Portable Water Heater Propane Tankless […]

3.9

5 Tankless Water Heater, 3.17 GPM Instant Hot Propane [...] Tankless Water Heater, 3.17 GPM Instant […]

3.9

6 Camplux Tankless Water Heater, 2.64 GPM On Demand [...] Camplux Tankless Water Heater, 2.64 GPM […]

3.9

7 Eccotemp i12-LP Water Heater, 4 GPM, Black Eccotemp i12-LP Water Heater, 4 GPM, Black

4.1

8 FOGATTI Propane Gas Tankless Water Heater, Indoor 4.0 [...] FOGATTI Propane Gas Tankless Water […]

4.3

9 Tankless Water Heater, GASLAND Outdoors BE158 1.58GPM [...] Tankless Water Heater, GASLAND Outdoors […]

4.3

10 Rinnai V53DeP Tankless Hot Water Heater, 5.3 GPM, [...] Rinnai V53DeP Tankless Hot Water […]

4.5

Expert’s Top 10 Picks & Best Propane On Demand Water Heater, Picks For 2023

1#. Portable Water Heater, Camplux 1.5 GPM Tankless Gas Water Heater, Outdoor Camping Water Heater Propane Shower, White

Product image of Portable Water Heater, Camplux 1.5 GPM Tankless Gas Water Heater, Outdoor Camping Water Heater Propane Shower, White
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Features

  • Convenient. The applicable water pressure is from 3~145 PSI(≥0.8GPM); The gas water heater cannot be ignited if the water pressure is below 3 PSI. Equipped with a portable handle, it is very convenient for outdoor campings.
  • On Demand Hot Water. The tankless water heater with maximum power output 38,000btu/hour, can get instant endless hot water easily wherever you are. No need to preheat before using it. As soon as you turn on the tap, the water flows with your desired temperature.
  • Easy To Install. This portable water heater only takes you 8 minutes to set up. Read the instructions before installation. Always check gas leakage before operation.
  • More Safe. The CSA approved gas water heater 6-in-1 protection functions to ensure your safety. Automatically decrease water pressure between 3.0-145PSI. The anti-freezing drain plug can discharge the residual water to avoid freezing. High water temperature protection over 167 °F. Shut off gas supply automatically under undetectable flame out.
  • Power Efficient. 1.5 gallons of hot water can be output per minute. Camplux water heater consumes low energy but is very efficient, which can save your energy costs and meet your various needs at the same time( It can only be installed vertically and you should try to use the product in a ventilated place.)
  • Excellent Customer Service. We provide 24-months warranty for the gas water heater, will replace a new replacement directly once it has any quality problems. If you have any product problems, please contact our support team at any time.

  • 2#. Tankless Water Heater 5.26GPM 20L Outdoor Portable GasHot Water Heater Instant Propane Water Heater with Digital Display Multi-Protection for Camping Trips Boat Cabins

    Product image of Tankless Water Heater 5.26GPM 20L Outdoor Portable GasHot Water Heater Instant Propane Water Heater with Digital Display Multi-Protection for Camping Trips Boat Cabins
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    Features

  • 【Premiun Water Heater】-Tankless Water Heater with CSA Approved Regulator, with more safety protection such as flame failure device, anti-freezing protection,over heating protection,Just need 3.6PSI of water pressure,5.26 gallons of hot water can be output per minute. The maximum temperature raise is 167 °F,Applicable only Propane(LPG)
  • 【Efficient & Energey Saving】-The Propane Water Heater exchanger and main burner are desinged with advanced combustion technology to decrease gas consumption and burning noise.Maximum power output 68000btu/hour, you will get instant endless hot water easily wherever you are.Compact and lightweight structure with 11.5% energy saving technology,so you can get more hot water for less money.
  • 【Portable Design】-Portable Water Heater size and lightweight make the water heater easy to carry and allow you to enjoy an amazing hot shower after a long day of camping, in your RV, or for giving your pet a bath,Size: 26.77×17.12×7.87 inches,Gas Hot Water Heater is Powered by 2 pcs size “D”cell Batteries.
  • 【Complete Accessories】-This tankless water heater comes with CSA approval 5FT Gas Regulator, 5 Spray Modes high pressure Shower Head with 59in(1.5m) extended Long Stainless Steel Hose and Shower Holder,There are three interface ports under propane water heater. The left one is the Air inlet. ​The middle one is the shower port,and The right one is the water inlet.
  • 【Wide Usage】- This Camping Heater,Perfect for Outdoor Shower,Which Bringing an Amazing hot Shower for you When you are Camping, Hiking, Fishing, Beaching, Portable Hot Water Sink, RV/SUV/MPV, etc. Besides, you can Also Wash your Pets with this Tankless Water Heater,Always check gas leakage before operation.

  • 3#. Tankless Water Heater, GREATBEAR 2.64GPM Propane Gas Water Heater Indoors, Propane Water Heater Instant, Multiple Protections, Easy to Install, Use for Apartment Farm Cabin RV Barn Boat, MT10 Red

    Product image of Tankless Water Heater, GREATBEAR 2.64GPM Propane Gas Water Heater Indoors, Propane Water Heater Instant, Multiple Protections, Easy to Install, Use for Apartment Farm Cabin RV Barn Boat, MT10 Red
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    Features

  • 【Propane Tankless Water Heater】The propane water heater outputs 2.64 gallons of instant hot water per minute to meet your various demands, it starts up when water pressure between 3.6-110 PSI, low water pressure is perfect for apartment, farm, cabin, RV, barn, boat or anywhere you need endless fresh hot water. Now, bring the home hot water comfort indoors with GREATBEAR tankless propane water heater. (Important tips: vent pipe must be installed for indoor installation)
  • 【On Demand Water Heater Propane】Maxium power output 68000btu/hour, you could expect decent hot water flow with the gas water heater. The best part is you can get instant and endless fresh hot water out of it at anytime you want, no preheating, GREATBEAR MT10 propane water heater provides 2.64GPM of endless hot water to ensures you get easy and perfect ending after whole day activity.
  • 【Unique Propane Gas Water Heater】GREATBEAR aims at continuous innovation and improvement, so the all-in-one designed setting knob is introduced with the propane gas water heater. We believe that being simple and advanced is the best way of achieving being user-friendly. Gas& water, turn either knob anti-clockwise, you get higher temp out of it, turn clockwise, you get cooler temp.
  • 【Safe Gas Water Heater】The safety of yours and your dear families is the first priority of GREATBEAR Appliances, so every piece of the MT10 water heater goes through multiples strict tests during manufacturing. Also, protection devices necessary for gas water heater are equipped with the water heater, including Flame Failure Protection,Over Heating Protection,Anti-freezing Protection,Dry Combustion Protection,Low Water Flow Protection and High Water Pressure Protection, you could count on us.
  • 【Propane Water Heater Indoors】MT10 water heater is ideal for indoor installation, with an exhaust pipe to exhaust harmful gases to protect your family. And the propane hot water heater package comes with all you need to set the water heater system. The installation process could be done within 15 min after you go through the instruction manual as recommended. Now, turn on the tap to enjoy instant and fresh hot water with GREATBEAR.

  • 4#. Portable Water Heater Propane Tankless – 6L 1.58GPM RV on demand Hot Gas Outdoor Digital Display Water Heater for Camping ,Boat,Cabins

    Product image of Portable Water Heater Propane Tankless - 6L 1.58GPM RV on demand Hot Gas Outdoor Digital Display Water Heater for Camping ,Boat,Cabins
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    Features

  • 【On Demand Hot Water】Maximum power output 42,000btu/hour, get instant endless hot water easily wherever you are. No need to preheat before using tankless water heater. As soon as you turn on the tap, the water flows with your desired temperature. Low water pressure start up, just need 2.5 PSI of water pressure. 1.58 gallons per minute of on-demand hot water. Fully adjustable heat and water flow.
  • 【CSA Approved Safety 】RUINOPAR Tankless Water Heater with CSA Approved Regulator, safe as per Canadian and US Standard.Automatically decrease water pressure between 2.5-145PSI. The anti-freezing drain plug can discharge the residual water to avoid freezing in cold areas or in case of long time no use. High water temperature protection over 167°F. Shut off gas supply automatically under unexpectable flameout.
  • 【Safety Protection】The safety of the propane water heater is also an important thing that everyone will value very much; Our products have more than 6 protection methods; The product has safety protection that measures such as overheating protection, antifreeze protection, flame-out protection, anti-dry protection, high water pressure protection and low water flow protection, which prevent the product from doing harm to users,providing a comfortable and safe bathing conditions, reliable product.
  • 【Lightweight Portable Design】Compact size and lightweight design for easily carry. It can bring a amazing hot shower for you when you are camping , to the beach, etc. Also you can wash your pets with this tankless water heater in outdoor. Using the handle of the gas water heater or the mounting bracket on the back to hang it. It only takes you a few minutes to install it.
  • 【Energy Saving】With automatic ignition and flameout modes, when you turn on the shower nozzle, the tankless water heater automatically ignites, and when you turn off the shower nozzle, the water heater automatically put out the flame; With this unique design, our heater can save 11.5% energy for you and ensure your safety at the same time.
  • ★【Important Tips】To avoid gas leakage caused by improper sealing of the water heater, DO NOT TWINE TEFLON TAPE between gas regulator and gas inlet pipe. The tankless water heater will “caught on fire “with improper operation. Always check gas leakage before operation.
  • ★【2-Year Quality Warranty】We provide the 24-month warranty for the gas cooktop, replace a new set directly once it has any quality problems.If you encounter any product after-sales problems, you can always contact the RUINOPAR support team, we will give you a satisfactory solution within 24 hours,Professional team is always online.

  • 5#. Tankless Water Heater, 3.17 GPM Instant Hot Propane Gas Water Heater with Constant Temperature, Indoor (Propane Gas)

    Product image of Tankless Water Heater, 3.17 GPM Instant Hot Propane Gas Water Heater with Constant Temperature, Indoor (Propane Gas)
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    Features

  • Note: Please download and read the installation manual and product manual carefully when purchasing the product to ensure that your installation environment is consistent with this product. When installing, please strictly follow the installation manual and installation instruction video, otherwise it may not work. If you have any questions about the product, please contact us by email. We have a professional technical support team.
  • 【Tankless Instant Hot Water Heater】No need to preheat before using the tankless water heater. As soon as you turn on the tap, the water flows with your desired temperature.
  • 【High Sensitive Touch Led Display】Comes with smart digital LED display high-definition large screen, freely adjustable the temperature between 30℃-65℃.
  • 【Multiple Security Protection】The propane gas water heater is upgraded with 12 protection methods to ensure your safety. Such as dry burning protection, over 65℃(149 °F) protection, leakage protection, etc.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 to prevent the exchanger or water pipe from freezing and swelling.
  • 【Energy and Money Saving】The hot water heater adjusts power input based on flow rate and temp setting in real time. Summer/winter 2 modes to save up to 60% on your propane gas costs.
  • 【Quality Material】Made with brushed stainless steel material, the propane gas water heater has the function of high temperature resistance, corrosion resistance. Built-in oxygen-free copper water tank, long service time.
  • NOTE: This product does not have a serial number. If you don’t know how to install a water heater at all, it is recommended not to buy it.

  • 6#. Camplux Tankless Water Heater, 2.64 GPM On Demand Instant Hot Water Heater, Propane Tankless Water Heater Indoor, White

    Product image of Camplux Tankless Water Heater, 2.64 GPM On Demand Instant Hot Water Heater, Propane Tankless Water Heater Indoor, White
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    Features

  • 2.64 GPM Instant Hot Water -Camplux high capacity 2.64 GPM propane 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.
  • Easy Installation -The propane water heater uses standard 1/2″ NPT water fitting and gas inlet. 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. You will need a gas regulator ( Camplux model KR-106A )&1 pc 5/8″ NPT male to 1/2″ BSP female gas connector adapter if you want to hook this water heater up to a propane tank.
  • 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.

  • 7#. Eccotemp i12-LP Water Heater, 4 GPM, Black

    Product image of Eccotemp i12-LP Water Heater, 4 GPM, Black
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    Features

  • Whole home indoor, gas powered tankless water heater, rated at 4 GPM that activates only on demand and no pilot light needed, reducing energy consumption
  • Sleek, modern design with black tempered glass front panel featuring an easy to use LED display controls
  • Features fully automatic temperature controls with an energy saving mode and child lock technology
  • Safe electronic ignition system; Plugs into standard 110v electrical outlet with UL-listed cord
  • Uses standard 1/2″ NPT water fittings and comes with horizontal venting allowing for a convenient and quick installation

  • 8#. FOGATTI Propane Gas Tankless Water Heater, Indoor 4.0 GPM, 90,000 BTU Instant Hot Water Heater, InstaGas Classic 90 Series

    Product image of FOGATTI Propane Gas Tankless Water Heater, Indoor 4.0 GPM, 90,000 BTU Instant Hot Water Heater, InstaGas Classic 90 Series
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    Features

  • 【Smaller size and better performance】It is only 1/4 the size of a 50 gallon tank water heater, yet it produces approximately 4.0 GPM of hot water through 90,000 BTU for both bathroom and kitchen hot water demand. The highly integrated components also provide greater safety from water pressure surges without the need to install an expansion tank.
  • 【Fast and endless supply of hot water】The heat exchanger quickly heats the water to a maximum of 140℉ in a short time, and the hot water is quickly piped through to the shower and tap. No need to wait for the water temperature to heat up slowly like a tank water heater. After that it continues to operate at approximately 4.0 GPM for 40 minutes, which is enough time to produce almost 160 gallons of hot water.
  • 【Stable and comfortable temperature】Benefiting from the calculation and control of the heating power 1000/s by the chip, the temperature difference of the water can be precisely controlled within ±2°F.
  • 【High compatibility and easy installation】Most tank water heaters have exhaust vent, water and gas pipe that can be universally used in tankless, requiring only a simple re-layout. If installing a tankless water heater in a new house, its compact size makes it easy to install. Of course, we recommend that all installations are carried out in accordance with local building and plumbing codes by licensed professionals.
  • 【Excellent quality and service】CSA certification in the USA and Canada. Superior safety and durability using the world’s most advanced technology. FOGATTI provide 5 years warranty on heat exchanger and 2 years warranty on other parts.

  • 9#. Tankless Water Heater, GASLAND Outdoors BE158 1.58GPM 6L Outdoor Portable Gas Water Heater, Propane Water Heater, Overheating Protection, Easy to Install, Use for RV Cabin Barn Camping Boat, White

    Product image of Tankless Water Heater, GASLAND Outdoors BE158 1.58GPM 6L Outdoor Portable Gas Water Heater, Propane Water Heater, Overheating Protection, Easy to Install, Use for RV Cabin Barn Camping Boat, White
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    Features

  • . / – Maximum power output 41,000BTU/Hr.The temperature raise is 109.4℉ (43℃) at its highest point and 55.4℉ (13℃) is at its lowest point of 1.58 GPM. Also, 1.58 gallons of hot water can be produced per minute at the flow rate of 1.58 GPM. Low water pressure start up, just need 3.6 PSI of water pressure to start.
  • – – – Runs on a standard 20 lb. liquid propane tank and is equipped with an electronic ignition powered by two D-cell batteries. Can be used in a variety of scenarios: while you’re camping, RVing, hunting, hanging poolside, washing your pets or horses, cleaning your vehicle, or even in your tiny home, greenhouse, or cabin house.
  • – With CSA certification, safe as per Canadian and US Standard. Features over-heating protection, low water flow protection, dry combustion protection, anti-freezing protection, high water pressure protection and flame failure device.
  • – Bright power, the temperature readout as to not get the water to hot or cold.
  • – – We provide a 1-year Warranty against manufacture defects and lifetime customer support.
  • ‘ – GASLAND BE158 Tankless Water Heater, CSA certified gas regulator and hose,5 feet On/Off Switch Shower Head, mounting hardware, garden hose adapter, Manual.
  • – To avoid gas leakage caused by improper sealing of the water heater, DO NOT TWINE TEFLON TAPE between gas regulator and gas inlet pipe. Always check gas leakage before operation.
  • – Designed for portable outdoor use. It is splash-proof and can manage a little drizzle, however, prolonged exposure to rain/water will damage the internal components. We recommend using and storing your water heater in a dry place. For the winter, please drain out the wate by disconnecting the drain plug and store it in the warm and dry area.

  • 10#. Rinnai V53DeP Tankless Hot Water Heater, 5.3 GPM, Propane, Outdoor Installation

    Product image of Rinnai V53DeP Tankless Hot Water Heater, 5.3 GPM, Propane, Outdoor Installation
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    Features

  • 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
  • Optimal Water Pressure: High-performance up to 5.3 GPM hot water flow rate for a powerful, constant stream
  • Enhanced scale detection lessens possibility of serious, long-term damage to unit
  • Guaranteed to Last: 10-, 5-, and 1-year residential factory warranty for heat exchanger, labor, and parts, respectively

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