Advertising Disclosure Gas Water Heater Portable Comparison - September 2025
6 Best Gas Water Heater Portable In the UK
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. By purchasing the products we rank, you’ll get the lowest price we found while we may receive a commission at no cost to you, which will help us continue to provide you with value.
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| 1 Best Choice  9.8Exceptional | 2  9.7Exceptional | 3  9.6Exceptional | 4  9.5Excellent | 5  9.3Excellent | 6  9.2Excellent |
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ModelCAMPLUX Portable Gas Water Heater with Pump, Nano 3 Pro Gas Shower 3 L/min, Instant LPG Hot Water Heater for Outdoor Shower, Camping, Hiking | Model ThermoMate AZ132B 5L Instant Gas Water Heater, Portable Propane Water Heater, Use for Outdoor Showers, Horses, Camping, Motorhome | Model CAMPLUX AY132P43 5L Portable Gas Water Heater with 4.3L Water Pump 12V,Tankless LP Gas Boiler with Folding Handle,Use for Outdoor Camping Shower RV Trip Washing Horse | Model CAMPLUX AY132B 5L Portable Gas Water Heater with Folding Handle, Tankless LP Gas Boiler, Use for Outdoor Shower Camping RV Trip Horse Bathing | Model VELPAX Gas Water Heater,Outdoor Instant Water Heater,16L Camping Water Heater with Digital Display and Multi-Protection for Indoor Shower,Kitchenette,Laundry Room,Courtyards,Outdoor Showe | Model 8L Gas LPG Tankless Hot Water Heater, Portable Instant Propane Gas Water Heater w/Shower Kit, for Camping/Travel/Houseboat/Home, 16kw |
BrandCAMPLUX | Brand thermomate | Brand CAMPLUX | Brand CAMPLUX | Brand VELPAX | Brand Oyajia |
Reviews | Reviews | Reviews | Reviews  | Reviews - | Reviews - |
Tech Specs | |||||
product dimensions 17 x 17 x 37 cm 6.21 kg | product dimensions 30 x 14 x 52 cm 3.8 kg | product dimensions 37.6 x 29 x 14 cm 4.56 kg | product dimensions 29 x 11 x 37.6 cm 4.54 kg | product dimensions 38 x 38 x 23.49 cm 8 kg | product dimensions 34 x 34 x 62.5 cm |
included components Cigarette Lighter Cable 500cm, Gas Regulator & 150cm Hose, Gas Water Heater, Water Pump Assembly, Shower Head & 250cm Hose | included components Instruction manual, anchors washers, pack fitting kits, Teflon tape | included components 4.3L water pump, shower kit, gas regulator, installation kits | included components Water connectors x 2, 37mbar gas regulator with 150cm hose, ON/OFF shower head with 150cm hose, Installation kits, Instruction Manual | included components NO | included components 1x water heater 1x shower head 1 shower hose |
color Gray | color Black | color White | color Black | color Black | color White |
item weight 6.21 kg | item weight 3.8 kg | item weight 4.56 kg | item weight 4.54 kg | item weight 8 kg | item weight - |
batteries included No | batteries included No | batteries included No | batteries included No | batteries included No | batteries included - |
wattage 6 KW | wattage 10 KW | wattage 10 KW | wattage 10.00 | wattage - | wattage 16 KW |
size 3 Litres | size 37 mbar | size - | size 37mbar | size 16L | size 8L |
batteries required Yes | batteries required Yes | batteries required Yes | batteries required Yes | batteries required No | batteries required - |
flow rate 3 Litres Per Minute | flow rate 5 Litres Per Minute | flow rate - | flow rate 5 Litres Per Minute | flow rate - | flow rate 8 Litres Per Minute |
voltage 12 Volts | voltage 3 Volts | voltage 3 Volts DC | voltage 3 Volts DC | voltage - | voltage - |
customer reviews4.2 4.2 out of 5 stars 1, 964 ratings 4.2 out of 5 stars | customer reviews 4.3 4.3 out of 5 stars 168 ratings 4.3 out of 5 stars | customer reviews 4.3 4.3 out of 5 stars 139 ratings 4.3 out of 5 stars | customer reviews 4.3 4.3 out of 5 stars 128 ratings 4.3 out of 5 stars | customer reviews - | customer reviews - |
special features- | special features Portable, oxygen depletion shutoff mechanism, Oxygen-free copper heat exchanger | special features Portable, Overheat Protection | special features Flame Failure Protection, Overheat Protection, Portable | special features - | special features Dry Combustion Protection, Flame Failure Protection, Fast Heating, High Water Pressure Protection, Anti-Freezing Protection |
batteries 1 Lithium Ion batteries required. | batteries - | batteries 2 D batteries required. | batteries 2 D batteries required. | batteries - | batteries - |
plug profile Floor | plug profile - | plug profile Wall | plug profile - | plug profile - | plug profile Wall |
maximum pressure- | maximum pressure 10 Bars | maximum pressure 7.5 Bars | maximum pressure 7.5 Bars | maximum pressure - | maximum pressure - |
Available On | Available On | Available On | Available On | Available On | Available On |
Our Top 3 Picks
Here are the top 3 recommended products with more information to help you find the right product for you
9.8
1CAMPLUX15% OffCAMPLUX Portable Gas Water Heater with Pump, Nano 3 Pro Gas Shower 3 L/min, Instant LPG Hot Water Heater for Outdoor Shower, Camping, Hiking
Why we love it
Instant hot water in 5 seconds.
Portable and lightweight design.
Versatile power and gas options.
Main highlights- What You Get: 1 x battery-powered camping water heater, 1 x 12V submersion water pump, 1 x 12V DC cigarette lighter cable 500 cm, 1 x gas regulator & gas inlet connector, 1 x shower head & 250 cm hose, 1 x shower bracket
- Warm Tips: Make sure the charging power is 12V before you charge. The provided gas regulator is only suit for propane gas bottle with 27mm clip-on connector
- Intelligent LED Display: Show the status of the gas shower, like real-time water temperature of inlet and outlet, power level, error codes etc. Water temperature ranges from 28-50°C(△t=22K)
- Compact & Portable Design: This gas water heater weighs only 6.21 KG with 2 durable handles. It is lightweight and easy to store, making it an ideal companion for camping, hiking, and other outdoor adventures
- 3 L/min Instant Hot Water: Instantly ignites within 5 seconds and delivers a continuous and stable 3 litres of hot water output per minute
- 2 Types of Gas Supply: This hot water heater runs both on propane and butane cylinders. Please just use a 37mbar gas regulator (provided) for propane gas and 28-30mbar regulator for butane gas
- 2 Flexible Operation Modes: Nano 3 Pro gas shower can either run on battery mode with 4000 mAh rechargeable batteries or direct power mode via the 12V DC cigarette lighter in your car
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9.7
2thermomate
ThermoMate AZ132B 5L Instant Gas Water Heater, Portable Propane Water Heater, Use for Outdoor Showers, Horses, Camping, Motorhome
Why we love it
Works with low water pressure.
Energy-efficient burner design.
Portable and easy to install.
Main highlights- 【MULTIPLE PROTECTIONS】- Anti-freezing apparatus drains the residual water to avoid damage of freezing under cold areas to the gas boiler 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 80°C.
- 【LOW WATER PRESSURE STARTUP】- Thermomate gas water heater instantly delivers 5L/min of hot water at 25°C temperature rising, with 0.25 bar low water pressure startup.
- 【ENERGY SAVING】Thermomate portable propane water heater is equipped with 3-ROW harmonica style burner, which can decrease gas consumption and will save 11.5% energy. The tankless water heater heats the required amount of water directly from the source, giving you an endless supply of hot water when you need it.
- 【EASY TO INSTALL & USE】- Thermomate tankless water heater provides everything you need, including gas regulator and hose, shower head and hose,etc. With these provided installation kits, you can install it quickly and use it easily.
- [COMPACT DESIGN] - Size: 34 x 29.5 x 12CM, Weight: 4.5KG. With compact and lightweight design, the lpg water boiler is suitable for outdoors activities. It is a great partner for an amazing hot shower when you are camping, hiking, fishing, beaching, etc. Besides, you can also wash your pets with this 5L gas shower , or provide hot water for the swimming pool.
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9.6
3CAMPLUX
CAMPLUX AY132P43 5L Portable Gas Water Heater with 4.3L Water Pump 12V,Tankless LP Gas Boiler with Folding Handle,Use for Outdoor Camping Shower RV Trip Washing Horse
Why we love it
Compact and portable design.
Energy-efficient operation.
Easy temperature control.
Main highlights- SAVING ENERGY & MONEY- Camplux AY132P43 employs energy saving technology, higher temperature raise at same cost of gas. Unlike the storage water heater, this tankless water heater only heats the water in amount for you need. No need to be preheated, thus eliminating the waiting time for hot water
- MULTIPLE PROTECTIONS - Flame failure protection, overheat protection, oxygen depletion safety shutoff protection to ensure your family safety. Drain plug is applied to drain the residual water from the appliance to avoid being frozen or broken
- FOLDABLE HANDLE FOR EASY CARRY- This gas shower only weighs 4.54kg, with a handle, which let you easily carry it anywhere. The 37mbar gas regulator is compatible with any propane gas bottle with 27mm clip-on connection
- ENJOY TANKLESS & ENDLESS HOT WATER - Delivering 5 litres of endless hot water per minute when the shower head is on. You can enjoy hot shower, give a comfortable hot spa for your horses or pets with this portable outdoor shower
- EASY TO OPERATE - You can simply adjust the water and gas flow to achieve your desired temperature. Temperature ranges from 10~65°C. Configured with a 4.3L water pump to boost the water pressure, it is great for campersite, RV, stables with low water pressure
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Features
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Consumer Reviews
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Popularity
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Value for money
TopChoice.co.uk compares product attributes to price, examines tech specs, ratings and reviews, and more.When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.
Value for money
TopChoice.co.uk compares product attributes to price, examines tech specs, ratings and reviews, and more.When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.
