10 Best Outdoor Tankless Propane Gas Hot Water Heater Portable in The UK

Last updated on 06/08/2025

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CAMPLUX 5L Gas Water Heater with 4.3L Water Pump, Freestanding Tankless Water Heater, AY132Max Instant LPG Water Boiler with Carrying Bag, for Camping/Outdoor Showers

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Why We Love It

Adaptable to varied water pressure.
Bags easy transport to outdoors.
Effortless temperature control feature.

Main Highlights

5 L/M Hot Water: 5 Litres of hot water per minutes, so you can take shower as long as you want
4.3L/M Water Pump: Increases inlet water pressure through water pump in areas with low water pressure or when water is supplied from the water tank. Power cables and water hoses are ready for use with this pump
Freestanding Design: Equipped with independent stands, no worry about finding a place to hang the gas water heater
All in One Bag: You can put all stuff in the provided waterproof bag and take it outdoors. Just additionally take an LPG bottle, 2pcs D-cell batteries, 12V power source to use
Easy Control: Simply turning the gas and water control knobs to get your desired temperature. Temperature ranges from 10-75°C
Only Weights 5.54kg (heater and stand): The folding handle makes it easy to take gas water heater when you go outdoors
Butane or Propane Gas Convertible: 28-30mbar for butane gas and 37mbar for propane gas.Just use the correct gas regulator. Gas fitting nut: G1/2''
Outdoor Hot Water Solutions: You can enjoy hot shower on campsites, poolside, cabins and barns, and other off-grid areas

CAMPLUX BW158BC 6L Instant Gas Water Heater with Rain Cap, Tankless Propane Gas Boiler, Use for Outdoor Shower Camping RV Trip Horse Washing

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Why We Love It

Endless hot water anywhere.
Compliant, safe design.
Easy, user-friendly operation.

Main Highlights

ENDLESS HOT WATER, SAVING ENERGY - Delivering 6L/min of endless hot water at the flick of a switch anywhere. Only heats the water up for actually use. With 0.25 bar startup and ignited via 2-D cell batteries, it is great for campsite, RV, stables, trolley and other off grid areas. Energy class: A+
MuLTIPLE SAFETY FEATURES - The 6L tankless water heater features multiple protection configurations, such as flame failure protection, overheat protection, 20-min safety shutoff protection, enhancing your family safety
WEATHERPROOF RAIN CAP - Equipped with a rain cap, it is easily installed outdoor without worries that the rain runs down inside, as well as leaves, insects and other hazards, prolonging its lifespan. Drain plug is applied to drain the residual water from the appliance to avoid being frozen or broken
LIGHTWEIGHT COMPACT DESIGN - Camplux 6L gas shower comes with most of the necessary accessories to help quickly install. The provided 37mbar CE gas regulator is compatible with any propane gas bottle with 27mm clip-on connection. With lightweight and compact design, it is easy to carry everywhere
EASY TO OPERATE - Heat is easy to adjust via water knob and gas knob. LED temperature display shows you the exact outlet water temperature, useful for setting your shower temperature and safely giving a comfortable hot spa for your horses, dogs, cats, etc

ThermoMate ZERO16 16L Gas Water Heater, Instant Outdoor Water Heater, Tankless Propane Gas Boiler, Use for Camping Showers, Horses Washing, RV Trip,Mobile Home Vacation

32% OffFree Shipping

Why We Love It

Instant and endless hot water.
Quick installation and user-friendly.
Multiple safety protections included.

Main Highlights

【INSTANT & ENDLESS HOT WATER】- With a 16L thermomate tankless water heater, you can instantly enjoy continuous hot shower on demand anytime and anywhere. The LPG boiler will be ignited at 0.25 bar low water pressure. Fully adjustable heat and water flow via control knob.
【EASY TO SET UP & USE】 - Thermomate ZERO16 comes with all necessary accessories for quick installation and ignited by 2-D batteries, which is great to campsite, RV, stables, shower shack, off grid, etc.. Featuring a visible LED display and a smart thermostat device, you can read the real-time temperature, adjust the temperature at your preferred degree and avoid scalding.
【MULTIPLE PROTECTION CONFIGURATIONS】- Flame failure protection will cut gas supply off immediately in the event of flameout to reduce the risk of gas leakage; Overheat protection at 85℃; High water pressure protection active when over 8 bar. Anti-freezing drain plug can discharge the residual water to avoid freezing in cold areas or in case of long time no use.
【ENERGY SAVING & ECO MODE】- Compact structure with 11.5% energy saving technology. The heat exchanger and main burner of the propane water heater shower are designed with advanced combustion technology to decrease gas consumption and burning noise. Eco mode optional, segmented combustion for different heat power demands.
【PLEASE NOTE】- Please verify that this ZERO16 is the right size for your hot water needs before purchasing and installing. It runs propane gas and is for outdoor use only. The gas inlet, water inlet, and water outlet connectors are G1/2'' standard thread. If you live in a low-pressure area, you will additionally need a 12V water pump.

Gas Water Heater 20L Outdoor Instant LPG Water Heater, Tankless Propane Water Eater with Digital Display and Multi-Protection for Camping, Trips, RV, Pet Washing (Black, 20L)

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Why We Love It

Instant hot water anytime.
Portable and easy to use.
Safe and energy-efficient design.

Main Highlights

【Multi-functional water heater】-This water heater comes with, gas control centre, seasonal control centre,Water control centre and temperature display, continuous hot water supply, water and gas can be adjusted individually, suitable for indoor and outdoor, energy saving and more safety protection.
【Product Specifications】-20L camping water heate Length: 17.12 inches(43.48CM), Width: 7.87 inches(19.99CM),Height: 26.77 inches(68CM), Capacity: 20 litres, Ignition: Automatic ignition
【Ower Noise】-Outdoor Instant Water Heater has stable hot water temperature, low noise, comfortable bathing in all seasons, and the running sound is 48 decibels, which will not disturb you and your family's rest.
【Safer】-He has it with a variety of protection configurations, such as flame protection, overheating protection, 20-minute safety cut-off protection, which can improve the safety of the family and extend the life of the water heater.
【Widely Used】- portable water heater is widely used in outdoor shower, indoor shower, kitchen, laundry room, patio and other scenarios, both outdoor and indoor, which brings great convenience to our life.

CAMPLUX AY132B 5L Portable Gas Water Heater with Folding Handle, Tankless LP Gas Boiler, Use for Outdoor Shower Camping RV Trip Horse Bathing

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Why We Love It

Endless hot water supply.
Multiple safety protection features.
Energy and cost efficient.

Main Highlights

ENJOY TANKLESS & ENDLESS HOT WATER - Delivering 5 litres of endless hot water per minute within 8 seconds when the shower head is on. You can enjoy hot shower, give a comfortable hot spa for your horses, pets with this portable outdoor shower
MULTIPLE PROTECTION - 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
SAVING ENERGY & MONEY- Camplux AY132 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
FOLDABLE HANDLE FOR EASY CARRY- This gas shower only weighs 4.54kg, with a handle, which let you easily carry it anywhere. It comes with most of the necessary accessories for quick installation. The 37mbar CE gas regulator is compatible with any propane gas bottle with 27mm clip-on connection
EASY TO OPERATE - You can simply adjust the water and gas flow to achieve your desired temperature. Temperature ranges from 10~65°C. With 0.25 bar startup, it is great for campersite, RV, stables with low water pressure

Camplux AY132 Tankless Propane Gas Water Heater White 5L

20% OffFree Shipping

Why We Love It

Adjustable heat and water flow.
Ideal for remote camping spots.
Built-in drain plug feature.

Main Highlights

Start water pressure – the Camplux AY132 water heater delivers 5 L/min endless hot water as soon as the tap is switched on. With 0.17 bar startup, it is ideal for motorhomes, motorhomes with low water pressure. You can enjoy an outdoor shower, bathe your horses, wash your pets with this outdoor shower.
Save energy and money: the 5L gas shower uses energy-saving technology. Thanks to the energy-saving technology, higher temperatures are achieved at the same gas costs. Unlike the hot water tank, this continuous water heater only heats the water you need.
Multiple protection: protection against flame failure, overheating protection and protection against oxygen depletion to ensure the safety of your family. The drain plug is used to drain the entire water content if it is not used for so long or the outside temperature is close or below 0 °C, extending the service life.
Easy installation and use: the portable water heater is equipped with a folding handle that makes it easier to carry on camping tours in remote areas. You can hang it directly on the handle or mount it to trailers, motorhomes, caravans and even a trolley with the included installation kits. It is ignited by 2 "D" batteries and can therefore be used as a reserve in areas where there is no power supply.
Please note: we offer a 37 mbar CE approved gas regulator for quick installation on the propane tank. Please note that the supplied gas regulator is only compatible with the propane gas bottle with 27mm clip connection. If your tank does not meet this standard, another gas regulator is required.

Warmiehomy Gas Water Heater 6L Instant Gas Water Heater with 12V Water Pump Propane Portable Camping Shower for Outdoor Camping RV Trip Horse Washing

4% OffFree Shipping

Why We Love It

Continuous hot water, anywhere.
Boosted pressure for convenience.
Comprehensive safety protections included.

Main Highlights

Instant Gas Water: This propane water heater provide 6L/min hot water, so that you can use enough hot water even outdoors.
12V Water Pump: Tankless water heater comes with 12v water pump for boosting water pressure, suitable for low water pressure place.
Overheat Protection: Safety protection devices, flame failure protection, overheating protection, when the temperature exceeds 75 ℃, safety shutdown protection to ensure the safety of your family.
Humanization Design: The outdoor shower have 3 rotary buttons of Season(Summer/Winter), Water(Low To High) and Gas(Min To Max), LED Display Screen to show the temperature.
The portable gas water heater comes with water pump, shower kit, gas regulator, installation kits. Ideal for campervan, camping, RV trip, horse washing or other any places.

TABODD 12L LPG Propane Gas Water Heater, 2.11GPM Portable Tankless Instant Hot Water Heater Boiler Burner with Stainless Steel Shower Head Kit for Small Homes RV's Sailboats Cabins Camping, White

Why We Love It

CE certified, ultimate safety.
Instant endless hot water.
Perfect for outdoor activities.

Main Highlights

CE CERTIFICATION - TABODD gas water heater is CE certified and has several protection configurations, e.g. Flame failure protection, overheating protection, 20-minute safety shutdown protection for more safety for your family (must be properly equipped).
On-demand Endless Hot Water - Maximum power output 12L/min, get instant endless hot water easily wherever you are. No need to preheat before using RV camping water heater. As soon as you turn on the tap, the water flow with your desired temperature. Applicable water pressure is from 0.02-0.8 MPa pressure, low water pressure can make it work and enjoy instant hot water.
Wall-Mounted Design - Portable design for carry on easily. 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 portable hot water heater in your garden.
Applications - Fast to heat, perfect for showering, pet washing, outdoor cleaning, camping and trip road etc. Provide you constant hot water, especially on winter or cold places. Instant endless hot water, ideal for camper, no electric hookup, trailer, RV, yacht. Enjoy a cozy showering at any time.

Lfhelper Gas Water Heater 18L Instant Outdoor LPG Water Heater Portable Tankless Propane Gas Heater for Camping Showers Pet Washing Sliver

Why We Love It

Endless and immediate hot water.
Highly durable and efficient.
Saves space and versatile.

Main Highlights

❤ Endless Hot Water - Say goodbye to waiting for water to heat up and embrace the luxury of instant and continuous hot water. With an impressive flow rate of 18 litres per minute, you can enjoy a seamless supply of hot water wherever you are, without the need for water storage. Experience the convenience and comfort of endless hot water at your fingertips.
❤ High Performance and Durability - Boasting a powerful 36KW power output, this propane tankless water heater delivers exceptional performance and rapid heating. The use of high-temperature resistant copper water fixtures ensures long-lasting durability, ensuring you have a reliable source of hot water for years to come.
❤ Energy Efficiency and Customization - Our 18L lpg water heater offers both summer and winter modes, allowing you to optimize energy consumption. The gas control knob can be adjusted to increase the gas supply, while the water adjustment knob enables customization for desired hot water levels. Enjoy up to 40% energy savings during the summer months by intelligently managing the fire rows.
❤ Convenient Wall-Mounted Design - Our tankless water heater features a portable design that can be easily mounted on a wall, tree, or any suitable surface. It's perfect for camping trips, beach outings, or any outdoor activity where hot water is desired. Save valuable space while enjoying the convenience of hot water on the go.
❤ Versatile Applications - This gas water heater outdoor is designed to meet a range of needs. From refreshing showers and pet washing to outdoor cleaning tasks and even horse showers, it caters to your diverse hot water requirements. It's especially handy in areas with low water pressure, providing an instant and consistent supply of hot water.

8L Gas LPG Tankless Hot Water Heater, Portable Instant Propane Gas Water Heater w/Shower Kit, for Camping/Travel/Houseboat/Home, 16kw

Why We Love It

Comprehensive safety features ensured.
Adjustable modes and temperatures.
Energy efficient and instant heating.

Main Highlights

Comprehensive safety features: This gas water heater has flameout, frost and overheating protection to ensure the safety of your family. Power: 16 kW; Hot water output: 8L/min; Gas supply: LPG (liquid propane gas). Rust-proof stainless steel housing and high-temperature resistant copper water fittings ensure a long service life and durability of this instant water heater.
Adjustable modes and temperatures: The water heater allows you to adjust the water temperature individually between 31 and 72°C and switch between summer and winter modes for optimal comfort in any season. Water regulator control button: Get more hot water. Has an LED display to show the water temperature in real time.
Save energy: The instant water heater heats the water instantly. The water is heated only when necessary. The advantage of this is that energy is consumed only when it is used.
Easy to install: Elegant design and solid construction, perfectly designed for quick and easy installation. Instant hot water preparation. Note: If the LPG water heater is installed in a well-ventilated room, an additional exhaust pipe is required (exhaust pipe not included).
24-hour customer service: If you encounter any problems during use, OYAJIA provides 24-hour customer service support to ensure your experience.

8.9

Excellent

We scanned 1947 products

We reviewed these offers relevant to the Outdoor Tankless Propane Gas Hot Water Heater Portable within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like CAMPLUX, thermomate, VELPAX, Warmiehomy, TABODD, Lfhelper, Oyajia, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Outdoor Tankless Propane Gas Hot Water Heater Portable in the market, we considered we took a deep dive into 9736 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is CAMPLUX 5L Gas Water Heater with 4.3L Water Pump, Freestanding Tankless Water Heater, AY132Max Instant LPG Water Boiler with Carrying Bag, for Camping/Outdoor Showers. We love many things about this product by CAMPLUX. What sets it apart from the competition is Adaptable to varied water pressure. , Bags easy transport to outdoors. , Effortless temperature control feature.
The best value product for most shoppers and where user satisfaction is continuously the highest is CAMPLUX BW158BC 6L Instant Gas Water Heater with Rain Cap, Tankless Propane Gas Boiler, Use for Outdoor Shower Camping RV Trip Horse Washing by CAMPLUX based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Outdoor Tankless Propane Gas Hot Water Heater Portable and the best cost-to-value ratio is ThermoMate ZERO16 16L Gas Water Heater, Instant Outdoor Water Heater, Tankless Propane Gas Boiler, Use for Camping Showers, Horses Washing, RV Trip,Mobile Home Vacationat thermomate with a 32% discount.
Our list of the best Outdoor Tankless Propane Gas Hot Water Heater Portable is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best Outdoor Tankless Propane Gas Hot Water Heater Portable in The UK

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We scanned 1947 products

We concluded that: