Best Rated Tankless Gas Water Heaters – Amazon Best Sellers


Here you have the list with best rated tankless gas water heaters, all portable, energy efficient, easy to use, and versatile items for outdoor activities. So keep reading.

What is in the list

As you realize from the title, those are tankless models so they are not bulky, but they are gas heated and you would have a gas bottle that you might use also for other purposes in the camp.

Those are also all Amazon bestselling items, they are very popular and with a high rating and you have many reports by customers. So check what others are saying, there is a lot of useful information in their reports.

You will notice that many of them are Amazon Prime products. So if you have not been using this benefit, you might want to check it now, with this you will have free shipping for these and other Prime items, and you can have them shipped quickly.

Many of the items in the list are on sale, so check carefully and you can save a lot. Note also that those are top brands in the industry.

How tankless gas water heaters work

So these heaters only heat the water when you need it, and there is no standby heat loss which you normally have with heaters with tanks.

You have a heat exchanger, a device that transfers heat from the source to the water and it is activated by the incoming flow of water. So it is triggered when you turn on your hot water tap.

These tankless gas water heaters can be used on camping and in combination with some of the shower shelters, for climbing, on boats, and basically anywhere where you need them. You can attach it to the vehicle as you see from the picture above and have hot water in your camp kitchen.

How to choose & what to know

Output: You will see this number mentioned in the specifications of the models in the list. This is typically in gallons per minute on the US market and you can have anything in the range 1-4 gallons per minute.

The size: These are tankless models but you will see some numbers in liters, so this is the volume of the set itself. Typically this is in the range 5-16 liters.

The heat source: So this is propane or LPG most of the time, these terms are used interchangeably by various manufacturers, so there is not much to choose really.

How long will it last: These things are designed to last for many years, and they will surely return the value for your money. But check also the warranty conditions, one never knows. Make sure also that you buy a model with a CSA certified gas regulator, you will see many of such models in the list.

So here they are, nicely designed portable propane water heaters for camping, please have a look and check what makes them so popular:

Bestseller No. 1
Camplux Tankless Water Heater, 1.32 GPM Portable Propane Outdoor Camping Water Heater, 5L, AY132, White
1,640 Reviews
Camplux Tankless Water Heater, 1.32 GPM Portable Propane Outdoor Camping Water Heater, 5L, AY132, White
  • Lightweight, Compact & Portable Design: The 10 pounds lightweight portable water heater's folding handle keeps it out of the way and enables easy setup outside.
  • Flow Rate & Temperature Specification: The temperature raise is 114.8℉ (46℃) at its highest point and 46.4℉ (8℃) is at its lowest point of 1.32 GPM. Also, 1.32 gallons of hot water can be produced per minute at the flow rate of 1.32 GPM.
  • Versatile Applications: The lowest water pressure at beginning for the water heater is 3.0 PSI. For off-grid and rural areas, this hot water generator powered by two size D batteries is ideal. No more chilly outdoor shower anymore.
  • 6-in-1 Protection & CSA Safety Approved: This tankless water heater is CSA Approved with anti-freezing protection, over-heating protection, low water flow protection, dry combustion protection, high water pressure protection and flame failure device.
  • Installation Instruction & Package Content: This Camplux AY132 heater comes with 1-year guarantee, 5 feet premium on/off shower head, 5 feet gas regulator, 1 set US-standard garden hose, and 1 installation hardware pack. Setting up this propane water heater simply takes 10 minutes.
SaleBestseller No. 2
Portable Water Heater Propane Tankless - 6L 1.58GPM RV on demand Hot Gas Outdoor Digital Display Water Heater for Camping ,Boat,Cabins
94 Reviews
Portable Water Heater Propane Tankless - 6L 1.58GPM RV on demand Hot Gas Outdoor Digital Display Water Heater for Camping ,Boat,Cabins
  • 【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.
SaleBestseller No. 3
Tankless Water Heater, GASLAND Outdoors BE158B 1.58GPM 6L Portable Gas Water Heater, Instant Propane Water Heater, Overheating Protection, Easy to Install, Use for RV Cabin Barn Camping Boat, Black
617 Reviews
Tankless Water Heater, GASLAND Outdoors BE158B 1.58GPM 6L Portable Gas Water Heater, Instant Propane Water Heater, Overheating Protection, Easy to Install, Use for RV Cabin Barn Camping Boat, Black
  • 𝟭.𝟱𝟴𝗚𝗣𝗠/𝟲𝗟 𝗣𝗿𝗼𝗽𝗮𝗻𝗲 𝗪𝗮𝘁𝗲𝗿 𝗛𝗲𝗮𝘁𝗲𝗿 - 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.
  • 𝗚𝗼𝗼𝗱 𝗳𝗼𝗿 𝗢𝗳𝗳-𝘁𝗵𝗲-𝗚𝗿𝗶𝗱 - 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.
  • 𝗔𝗱𝘃𝗮𝗻𝗰𝗲𝗱 𝗦𝗮𝘁𝗲𝗳𝘆 𝗣𝗿𝗼𝘁𝗲𝗰𝘁𝗶𝗼𝗻 𝗦𝘆𝘀𝘁𝗲𝗺 - 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.
  • 𝗟𝗘𝗗 𝗗𝗶𝗴𝗶𝘁𝗮𝗹 𝗗𝗶𝘀𝗽𝗹𝗮𝘆 - Bright power, the temperature readout as to not get the water to hot or cold.
  • 𝟭-𝗬𝗲𝗮𝗿 𝗖𝘂𝘀𝘁𝗼𝗺𝗲𝗿 𝗦𝘂𝗽𝗽𝗼𝗿𝘁 - We provide a 1-year Warranty against manufacture defects and lifetime customer support.
Bestseller No. 4
Flame King Portable Tankless Water Heater Propane Gas 10L 2.64 GPM at 68,000 BTU, Outdoor Instant Hot Water Shower for RV, Camping, Farm, Cabins
159 Reviews
Flame King Portable Tankless Water Heater Propane Gas 10L 2.64 GPM at 68,000 BTU, Outdoor Instant Hot Water Shower for RV, Camping, Farm, Cabins
  • Fully adjustable control knobs and visual digital meter - Winter/Summer Setting, MIN/MAX Gas Setting, MAX/MIN Water Flow Rate Setting, Digital Water Temperature Meter
  • Durable steel cased water heater designed to last
  • On/off water control shower head and 4.5 Feet of Stainless Steel Wrapped Hose to avoid kinks and punctures.
  • Regulator and 4.5 ft. hose included for use with a BBQ propane tank (QCC1 Type-1 Valve
Bestseller No. 5
Camplux 5L Outdoor Portable Water Heater, 1.32 GPM Tankless Propane Gas Water Heater for RV, Camping, Barns, White
391 Reviews
Camplux 5L Outdoor Portable Water Heater, 1.32 GPM Tankless Propane Gas Water Heater for RV, Camping, Barns, White
  • CSA Safety Standard -CSA safety standard approved portable tankless water heater,flame failure device, anti-freezing protection, over heating protection to ensure the family safety. Automatically decrease water pressure between 3.0-110 PSI. The anti-freezing drain plug can discharge the residual water to avoid freezing in cold areas or in case of long time no use. The water heater will shut off automatically when high water temperature protection over 176 °F.
  • Lightweight Portable Design-Compact size weights 10 lbs with portable handle for easily carry. Hang it using the mounting bracket on the top/back of the gas water heater. It only takes you a 15 minutes to install the propane water heater.
  • Instant Hot Water- Maximum power output 28,000btu/hour, you can get 1.32 gallons instant endless hot water easily wherever you are. No need to preheat before operating the tankless water heater. As soon as you turn on the tap, the water flows with your desired temperature.
  • 3.0 PSI Water Pressure Startup -Equipped with a magnetic water flow sensor, the tankless water heater can be widely applied for rural areas, RV's and Boats.The tankless propane water heater lights when water pressure between 3.0-110 PSI, low water pressure is perfect for campings and remote cabins.
  • 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.
Bestseller No. 6
Marey GA5PORT Portable Propane Gas Tankless Water Heater, Small, White
203 Reviews
Marey GA5PORT Portable Propane Gas Tankless Water Heater, Small, White
  • Naturally vented outdoors: you don't need to buy a extra venting
  • Serves to a variety of applications, since washing your car, windows cleaning, wash your horse or your dog and take a hot shower
  • Perfect for campsites, cabins, remote areas or just around the house. BTU/h - 35000 BTU/h. Fuel Type - LPG(liquid propane gas). pipe fittings - 1/2 inch NPT, incoming/outgoing water and gas
  • Provide endless hot water on demand only as needed
  • No electrical connection is required
SaleBestseller No. 7
Gateenon 3.2GPM 12L Tankless Water Heater Propane Outdoor - Liquid Propane Gas LPG Instant Hot Water Heater Portable With Digital For Camping Shower, RV, Home, Green
41 Reviews
Gateenon 3.2GPM 12L Tankless Water Heater Propane Outdoor - Liquid Propane Gas LPG Instant Hot Water Heater Portable With Digital For Camping Shower, RV, Home, Green
  • Stable Hot Water Flow - There is Stable Hot Water Flow When You Take Shower for Tankless Water Heater Propane, Enjoy Happy Shower Time.
  • CSA Certified Gas Connector, No Leaking Gas - This Propane Water Heater Tankless with CSA Certified Gas Quick Connector, Approved in USA and Canada. Installation is safety, Quickly and Convenient, No Leaking Gas, No Fire.
  • Sturdy and Durable - Stainless Steel Shower Head, Hot and Cold Hose; 0.2mm(0.07inch) Panel, 100% Copper Valve, to Keep Propane Water Heater Tankless in Long-life and Quality.
  • More Better Heating - Heat Exchanger of the Portable Water Heater is 100% Pure Copper with Tinned Finish, to Keep Heat Energy Inside, Heating Faster and Better, Save Time.
  • More Protections, More Safety- Tankless Propane Water Heater with Over-heating(75℃/167 °F) and Anti-frozen and 20 mins Automatic Shutoff Protection, LED indicator, 100% Inspection before ship out, 1 years Warranty.
Bestseller No. 8
HOPERAN Outdoor Propane Water Heater - 1.6GPM 6L Portable Gas Water Heater, Easy to Install, Propane Tankless Water Heater, Instant Hot Water for Shower - Use for RV Cabin Camping Boat, White
9 Reviews
HOPERAN Outdoor Propane Water Heater - 1.6GPM 6L Portable Gas Water Heater, Easy to Install, Propane Tankless Water Heater, Instant Hot Water for Shower - Use for RV Cabin Camping Boat, White
  • 💦【CSA Approved Safety】 CSA Safety Standard approved HOPERAN Tankless Water Heater, safe as per Canadian and US Standard. More than 6 protection methods; for example: overheating protection, antifreeze protection, flameout protection, etc.. Upgrade: Install a stainless steel fire baffle below the combustion device, which can effectively prevent sparks from damaging the pipeline below, to ensure the safety of the propane camping shower
  • 💦【On Demand Hot Water】Fully adjustable heat and water flow. Maximum power output 41,000BTU/Hr, easily get instant and endless hot water wherever you are. Propane water heater do not need to preheat before use. As soon as you turn on the faucet, the water will flow out at the temperature you want. Low water pressure starts, requiring only 2.9 PSI of water pressure. Produce 1.6 gallons of on-demand hot water per minute
  • 💦【High Efficiency & Energy Saving】: With automatic ignition and flameout mode. The shower head is open, the propane water heater is auto-ignition. The shower head closed, the propane water heater auto-flameout. And has two combustion modes in summer and winter, which can effectively reduce consumption. Both the heat exchanger and the main burner use the most advanced energy-saving combustion technology, which reduces gas consumption and noise while ensuring a continuous supply of hot water
  • 💦【Lightweight and Portable】Our camping water heater is lightweight and compact, with a portable bold handle, easy to carry and hang for outdoor use. Our portable water heater includes a garden plumbing adapter and a quick coupler that allows you to connect more easily to the water source. And with a water filter, can be installed at the pump to filter the water output from the pump, and provide comfortable and safe heat water and bathing condition
  • 💦【Easy to Install】With all the necessary accessories, it only takes 3 minutes to complete the installation and setup according to the user manual. ❤Tips: Improper operation of the gas water heater will cause "fire". Always check for gas leaks before operation. The HOPERAN gas water heater is designed for outdoor use, do not use it at home/bathroom to avoid gas poisoning
Bestseller No. 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
917 Reviews
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
  • 𝟭.𝟱𝟴𝗚𝗣𝗠/𝟲𝗟 𝗣𝗿𝗼𝗽𝗮𝗻𝗲 𝗪𝗮𝘁𝗲𝗿 𝗛𝗲𝗮𝘁𝗲𝗿 - 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.
  • 𝗚𝗼𝗼𝗱 𝗳𝗼𝗿 𝗢𝗳𝗳-𝘁𝗵𝗲-𝗚𝗿𝗶𝗱 - 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.
  • 𝗔𝗱𝘃𝗮𝗻𝗰𝗲𝗱 𝗦𝗮𝘁𝗲𝗳𝘆 𝗣𝗿𝗼𝘁𝗲𝗰𝘁𝗶𝗼𝗻 𝗦𝘆𝘀𝘁𝗲𝗺 - 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.
  • 𝗟𝗘𝗗 𝗗𝗶𝗴𝗶𝘁𝗮𝗹 𝗗𝗶𝘀𝗽𝗹𝗮𝘆 - Bright power, the temperature readout as to not get the water to hot or cold.
  • 𝟭-𝗬𝗲𝗮𝗿 𝗖𝘂𝘀𝘁𝗼𝗺𝗲𝗿 𝗦𝘂𝗽𝗽𝗼𝗿𝘁 - We provide a 1-year Warranty against manufacture defects and lifetime customer support.
Bestseller No. 10
Camplux 2.64 GPM Propane Portable Gas Water Heater, Outdoor Tankless Camping Water Heater with Digital Display, White
235 Reviews
Camplux 2.64 GPM Propane Portable Gas Water Heater, Outdoor Tankless Camping Water Heater with Digital Display, White
  • CSA Safety Standard -CSA safety standard approved tankless propane water heater,flame failure device, anti-freezing protection, over heating protection to ensure the family safety. Automatically decrease water pressure between 3.6-110 PSI. The anti-freezing drain plug can discharge the residual water to avoid freezing in cold areas or in case of long time no use. The propane hot water heater will shut off automatically when high water temperature protection over 176 °F.
  • Lightweight Portable Design-Compact size and weights 23 lbs for easily carry. Hang it using the mounting bracket on the top/back of the gas water heater. It only takes you a 15 minutes to install the propane water heater.
  • Energy Saving-Compact and light weight structure with 11.5% energy saving technology.The propane gas water heater exchanger and main burner are designed with advanced combustion technology to decrease gas consumption and burning noise.
  • 2.64 GPM Instant Hot Water- Maximum power output 68,000btu/hour, you can get 2.64 gallons instant endless hot water easily wherever you are. No need to preheat before operating the tankless gas water heater. As soon as you turn on the tap, the water flows with your desired temperature.
  • 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 propane tankless water heater will "caught on fire "with improper operation. Always check gas leakage before operation.
Bestseller No. 11
Tankless Water Heaters Outdoor, Camplux Pro 1.58 GPM Gas Water Heater with Portable Handle, Propane Water Heater for Camping, Cabins
549 Reviews
Tankless Water Heaters Outdoor, Camplux Pro 1.58 GPM Gas Water Heater with Portable Handle, Propane Water Heater for Camping, Cabins
  • 𝐋𝐢𝐠𝐡𝐭𝐰𝐞𝐢𝐠𝐡𝐭, 𝐂𝐨𝐦𝐩𝐚𝐜𝐭 & 𝐏𝐨𝐫𝐭𝐚𝐛𝐥𝐞 𝐃𝐞𝐬𝐢𝐠𝐧 - 11.61(L)*4.33(W)*17.32(H) inches, the 14 lbs lightweight portable water heater's folding handle keeps it out of the way and enables easy setup outside
  • 𝐅𝐥𝐨𝐰 𝐑𝐚𝐭𝐞 & 𝐓𝐞𝐦𝐩𝐞𝐫𝐚𝐭𝐮𝐫𝐞 𝐒𝐩𝐞𝐜𝐢𝐟𝐢𝐜𝐚𝐭𝐢𝐨𝐧 - Low water pressure start of 3.0 PSI allows you to enjoy 1.58 gallons of water in just a few minutes. The temperature raise is 114.8℉ (46℃) at its highest point and 46.4℉ (8℃) is at its lowest point of 1.58 GPM
  • 𝐏𝐨𝐰𝐞𝐫 𝐄𝐟𝐟𝐢𝐜𝐢𝐞𝐧𝐭 & 𝐄𝐧𝐞𝐫𝐠𝐲 𝐒𝐚𝐯𝐢𝐧𝐠 - Maximum power output 41,000btu/hour with 11.5% energy saving technology, you will get instant endless hot water easily wherever you are. The propane water heater exchanger and main burner are designed with advanced combustion technology to decrease gas consumption and burning noise
  • 𝟔-𝐢𝐧-𝟏 𝐏𝐫𝐨𝐭𝐞𝐜𝐭𝐢𝐨𝐧 𝐄𝐧𝐬𝐮𝐫𝐞 𝐘𝐨𝐮𝐫 𝐒𝐚𝐟𝐞𝐭𝐲 - With CSA safety test certification and comes with multiple protection functions, such as flameout protection, anti-freezing protection and over heating protection. The drain plug discharges the residual water to avoid freezing in cold areas for long-time maintenance. Gas supply automatically shut off when high water temperature protection over 167 °F
  • 𝐈𝐦𝐩𝐨𝐫𝐭𝐚𝐧𝐭 𝐒𝐚𝐟𝐞𝐭𝐲 𝐓𝐢𝐩𝐬 - Use soapy water to check whether the gas inlet is leaking before use. DO NOT TWINE TEFLON TAPE between the gas regulator and the gas inlet pipe to avoid gas leakage due to improper sealing of the water heater. Any gas leakage caused by improper operation may cause "catch on fire", so please make sure the installation is correct
Bestseller No. 12
Tankless Water Heater, thermomate 5L Portable Propane Gas Hot Water Heater with Overheating Protection, 1.32 GPM, Low Pressure Startup for Camping, 34,000 BTU/Hr, Easy to Install, White
191 Reviews
Tankless Water Heater, thermomate 5L Portable Propane Gas Hot Water Heater with Overheating Protection, 1.32 GPM, Low Pressure Startup for Camping, 34,000 BTU/Hr, Easy to Install, White
  • [2.5 PSI Water Pressure Startup] Equipped with a magnetic water flow sensor, allowing the unit to work at low water pressure, stable water flowing to meet a wide range of usage for those in water shortage areas, including rural areas, RV's and Boats.
  • [Instant Hot Water On Demand] Rated at 1.32 GPM, this water heater provides endless hot water on demand and only as needed, no need to preheat making it more efficient and energy-saving, saving up to 50% on water heating costs.
  • [Multi Safety Protection] Anti-freezing apparatus draining the stock water to avoid damage of freezing under cold areas to the machine itself or in case of a long time no use. Featuring overheating and flameout protection, the gas supply will shut off automatically under unexpectedly flame out or high water temperature over 185 °F.
  • [Compact Exquisite Design] Compact and space-saving design with minimal noise output which is portable for outdoors.  A great partner for camping and road trips bringing an amazing hot shower for you when you are camping, hiking, fishing, beaching, etc. Besides, you can also wash your pets with this tankless water heater, or provide hot water for the swimming pool.
  • [Easy to Install] Equipped with 1/2" BSP water fittings and manual water temperature controls make it easy to install and use. Please verify it's the right size you need: net weight 10.4lb; size 13.4(L)x4.7(H)x11.6(W); maximum power output 34,000btu/hour (10kW). Work with a 0.4PSI gas regulator (included).
Bestseller No. 13
Camplux 5L 1.32 GPM Outdoor Portable Propane Gas Tankless Water Heater With 1.2 GPM Water Pump
591 Reviews
Camplux 5L 1.32 GPM Outdoor Portable Propane Gas Tankless Water Heater With 1.2 GPM Water Pump
  • CSA approved portable tankless water heater for US &Canada markets. Lowest water pressure start up just need 3.0 PSI! Also works great with Camplux 12V 1.2 GPM water pump. You don't need buy extra accessories,you can get 2 pcs extension hose and fittings,complete pump package all in one.
  • Wide comfortable water temperature range from 8℃-46℃ (46.4℉-114.8℉), 1.32 gallons per minute of hot water output, you can get instant on-demand hot water easily .
  • Compact and lightweight size tankless water heaterwith folding handle keeps it out of the way, allowing for a convenient set-up outdoors,great for off-grid,road trips,camping trips.
  • Flame failure device, anti-freezing protection,over heating protection,oxygen depletion safety shut-off protection always ensures you wonderful and safety outdoor showers.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.
  • The tankless propane water heater comes with high efficiency combustion technology to decrease gas consumption and burning noise, structure with 11.5% energy saving technology,you can saving more energy and money
Bestseller No. 14
Tankless Water Heater, GASLAND Outdoors BE158R 1.58GPM 6L Portable Gas Water Heater, Instant Propane Water Heater, Overheating Protection, Easy to Install, for RV Cabin Barn Camping Boat, Red
594 Reviews
Tankless Water Heater, GASLAND Outdoors BE158R 1.58GPM 6L Portable Gas Water Heater, Instant Propane Water Heater, Overheating Protection, Easy to Install, for RV Cabin Barn Camping Boat, Red
  • 𝟭.𝟱𝟴𝗚𝗣𝗠/𝟲𝗟 𝗣𝗿𝗼𝗽𝗮𝗻𝗲 𝗪𝗮𝘁𝗲𝗿 𝗛𝗲𝗮𝘁𝗲𝗿 - 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.
  • 𝗚𝗼𝗼𝗱 𝗳𝗼𝗿 𝗢𝗳𝗳-𝘁𝗵𝗲-𝗚𝗿𝗶𝗱 - 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.
  • 𝗔𝗱𝘃𝗮𝗻𝗰𝗲𝗱 𝗦𝗮𝘁𝗲𝗳𝘆 𝗣𝗿𝗼𝘁𝗲𝗰𝘁𝗶𝗼𝗻 𝗦𝘆𝘀𝘁𝗲𝗺 - 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.
  • 𝗟𝗘𝗗 𝗗𝗶𝗴𝗶𝘁𝗮𝗹 𝗗𝗶𝘀𝗽𝗹𝗮𝘆 - Bright power, the temperature readout as to not get the water to hot or cold.
  • 𝟭-𝗬𝗲𝗮𝗿 𝗖𝘂𝘀𝘁𝗼𝗺𝗲𝗿 𝗦𝘂𝗽𝗽𝗼𝗿𝘁 - We provide a 1-year Warranty against manufacture defects and lifetime customer support.
Bestseller No. 15
EZ 101 Tankless Water Heater - Propane (LPG) Gas - 2 GPM - Small - Portable - Point of use - Battery Powered Ignition - Camping - RV - Hunting
15 Reviews
EZ 101 Tankless Water Heater - Propane (LPG) Gas - 2 GPM - Small - Portable - Point of use - Battery Powered Ignition - Camping - RV - Hunting
  • At 2.0 GPM this unit can easily provide enough hot water for your campsite or RV
  • 42,000 BTU (Propane)
  • 1/2" water & gas connection
  • Electronic Ignition
  • 17.5" Tall x 12" Wide x 5" Depth
SaleBestseller No. 16
Seeutek Portable Water Heater 1.6GPM/6L, Outdoor Propane Gas Tankless Water Heater, On Demand Water Heater for RV Camping, Instant Hot Water for Shower Overheating Protection White
36 Reviews
Seeutek Portable Water Heater 1.6GPM/6L, Outdoor Propane Gas Tankless Water Heater, On Demand Water Heater for RV Camping, Instant Hot Water for Shower Overheating Protection White
  • 🏝️Product Parameters: Applicable Water Pressure Range: 3.0-145 PSI; Maximum Power Output: 41,000btu/Hr; Water Output Per Minute:1.6GPM/6L; Item Dimensions LxWxH: 11.42x4.9x14.57 inches; Weight: 13.3 pounds. Efficient and energy-saving, lightweight and convenient.
  • 🏝️Excellent Performance:【Instant hot water】: Instant and continuous supply of hot water whenever you need it.【High efficiency and energy saving】: It has two combustion modes in summer and winter, and both the heat exchanger and the main burner adopt the most advanced energy-saving combustion technology, which can reduce gas consumption and noise while ensuring the continuous supply of hot water.
  • 🏝️CSA Safety Certification: Our propane water heater have multiple safety protection settings and have been CSA certified for safety. For example,【Overheat Protection】: When the water temperature exceeds 167℉, the gas supply is automatically shut off.【Anti-freeze Protection】: The anti-freeze drain plug can drain the residual water and avoid freezing when the temperature is low or when it is not used for a long time.
  • 🏝️Convenient and Durable: Our tankless water heater are lightweight and portable, with a portable handle for easy carrying and hanging for outdoor use. This outdoor water heater has a compact and sturdy frame design, not only space saving but also durable and has a long service life. Easy to install and great for outdoor use.
  • 🏝️Multi-scene Application: This instant water heater is suitable for outdoor shower in various scenarios, such as RV shower, outdoor camping, pet washing, outdoor pool shower, outdoor car wash and beach bathing. Provide you with hot water anytime and anywhere. Safe and comfortable, convenient and energy-saving.
Bestseller No. 17
Tankless Water Heater, Camplux Outdoor Portable Propane Gas Tankless Water Heater for Camping Showers, 2.64 GPM, Gray
363 Reviews
Tankless Water Heater, Camplux Outdoor Portable Propane Gas Tankless Water Heater for Camping Showers, 2.64 GPM, Gray
  • 【Portable Design】More usage scenarios to carry on. Enjoy DIY Outdoor Shower, RV Shower, Camping Shower, Outdoor Pet Shower, RV/SUV/MPV, Beach Bathing Boxes, Campsites, Hunting Cabins, Boats, Kid Pools, or just around your house.
  • 【Easy Installation】It only takes you a few minutes to get 2.64 gallons per minute of instant hot water. The portable hot water heater lights when water pressure between 3.6-110 PSI, low water pressure is perfect for campings and remote cabins.
  • 【Multiple Protection】Flame failure device, anti-freezing protection, over heating protection to ensure the family safety. The anti-freezing drain plug discharges the residual water to avoid freezing in cold areas for long-time maintenance. Gas supply automatically shut off when high water temperature protection over 167 °F.
  • 【Power Efficient & Energey Saving】Maximum power output 68,000btu/hour, you will get instant endless hot water easily wherever you are. Compact and lightweight structure with 11.5% energy saving technology. The propane water heater exchanger and main burner are desinged with advanced combustion technology to decrease gas consumption and burning noise.
  • 【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.
Bestseller No. 18
Portable Tankless Water Heater, Camplux 1.32 GPM Outdoor Camping Propane Gas Water Heaters w/ Freestanding Stand and Carry Bag
68 Reviews
Portable Tankless Water Heater, Camplux 1.32 GPM Outdoor Camping Propane Gas Water Heaters w/ Freestanding Stand and Carry Bag
  • Portable, Easy to Carry. Camplux portable water heater with portable handle,carry bag and solid freestanding stand, you can put all staffs in the supplied waterproof carry bag, makes it's easier for camping, hunting, RV, pets gromming, equestrian, greenhouses or anywhere else that you need instant reliable endless hot water perfectly.
  • Set up in No Time. Camplux 5L propane hot water heater comes with 11.5 extension long shower hose , 5 feet quick gas regulator, US standard garden hose, you can connect your Camplux with snap-on fittings for gas and water, put down the carry bag and put up the stand then you are all set.
  • Quick Connections. Portable hot water heater with a brass quick-connection, you can forget about fiddling with spanners and thread tape. No worry about gas leaks anymore.
  • Runs on a standard 20 lb. The portable water heater equipped with an electronic ignition, powered by 2 “D” cell batteries ( not included), making it ideal for on-the-go. You can also hang the water bag on the tree if there is no water pump or corresponding power supply pump to supply power outdoors, but ensure that the water bag is about 3M away from the water heater.
  • Camplux 5L propane tankless water heater rated at 1.5 Gallons per minute (GPM) of hot water output with an achievable temperature range of 100 –185 degrees Fahrenheit.

Last update on 2023-02-04  / Affiliate links / Images from Amazon Product Advertising API

Thank you for reading. You might want to check also our separate list with battery-operated camping showers. Let us know if you have any question or comment. Have a nice day.

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2 thoughts on “Best Rated Tankless Gas Water Heaters – Amazon Best Sellers”

  1. Hello,
    I bought a Bosch Electric Mini-Tank Water Heater about 5 months ago. I am very happy with this product. It is very easy to use and it looks awesome. Thanks for sharing this article

    Reply
    • Hi Harshit, great to hear from you. Thank you for letting us know about your experience with that water heater. All the best.

      Reply

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