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

Last updated on 16/07/2025

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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

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Why We Love It

Endless hot water supply.
Enhanced safety features.
Energy and cost-efficient.

Main Highlights

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
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
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
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
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

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

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

Free Shipping

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

10% 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.

Eccotemp CEL10 Portable Outdoor Tankless Water Heater, 50 mbar

Why We Love It

Lightweight and portable design.
Quick hot water delivery.
Battery-powered for convenience.

Main Highlights

Lightweight, easy-to-carry, and compact, this water heater can be used for hot outdoor showers, campervan conversions, setting up an outdoor kitchen, or washing your horse at the stables.
Delivers 10 LPM (liters per minute) of hot water almost anywhere outdoors. Perfect for one to two hot water applications.
High-powered 75,000 BTUs with a temperature range of 10 to 60 degrees Celsius.
Ignition powered by two “D” cell batteries. No electrical connection required.
Easily connects to a standard propane cylinder.
Ideal for operation with water pressure between 20-80 PSI / 1.4-5.5 bar.
Standard ½” BSP inlet and outlet water and gas fittings.
CE certified.
Product dimensions: Approximately 60cm (L) x 35cm (W) x 17.5cm (D).
Manufacturer Warranty: Heat Exchanger and covered components: 1-Year, Accessories: 30 days, live chat, and self-help guides will give you peace of mind that the Eccotemp CEL10 will keep you in hot water for years.

CAMPLUX Gas Water Heater 10 litres with Adjustable Handle F10, Portable Outdoor LPG Shower, Butane (28-30 mbar)/ Propane (37 mbar), for Camping/RV Trip/Barn, First Series

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Why We Love It

Ultra-portable and super lightweight.
Instant high-flow hot water.
Outdoor hot water solution.

Main Highlights

Most Portability in 10L model - Only weighs 7kg, product size 470x330x150mm. It is the world’s lightest and smallest water heater in its class
10 L/M Hot Water - 20 kW total power output, instantly ignites within 5 seconds and delivers high water flow rate up to 10 litres per minute, giving you a comfortable hot shower
3-level Adjustable Handle - Both for carrying up and hanging it on the screw wherever you go, ready for on-the-go shower. Handle folding up for easy storage
Hot Water Solutions for Outdoor - Just take it and a gas bottle, you can enjoy hot shower on campsite, RVs, poolside, summer houses, cabins and barns, and other off-grid areas
2-in-1 Knob Design - Choose your exact temperature with simple adjustments via the unique water and gas knobs

Gas Water Heater 18L Outdoor Instant LPG Water Heater, Tankless Propane with Digital Display and Multi-Protection for Camping, Trips, RV, Pet Washing

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Why We Love It

Instant hot water on demand.
Energy-efficient and portable design.
Ideal for outdoor adventures.

Main Highlights

【Instant Water Heater】- To provide a safer bathing environment, our tankless water heater provides multiple protections such as flame failure device, anti-freezing protection, over heating protection. With an output of up to 18L of hot water per minute, you can enjoy seamless hot water supply anytime, anywhere, without the need for water storage. Maximum temperature can be raised to 167 °F, propane applicable only (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. The gas water heater offers both summer and winter modes, allowing you to optimise your energy consumption, you can manually adjust the controls as required.
【Portable Design】- Portable Water Heater size and lightweight make the water heater easy to carry that allows them to be easily mounted on a wall, tree, in your RV or any suitable surface. The water heater can provide you with a comfortable bathing experience anytime, anywhere, and it's also a great choice for bathing pets.
【Easy Operation】- You can easily control the gas intake and adjust the water temperature and volume with three knobs on the panel of the instant water heater, and the digital display of the temperature allows you to achieve easy temperature adjustment. 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.
【Versatile Applications】- This camping gas heater, perfect for outdoor shower,which brings 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.

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.

iLAN 6 L/Min Tankless Propane/LPG Gas Water Heater with Rain Cap, Multi-Purpose Instant Outdoor Shower for Camping, Pet Washing, Houseboats, and RV Trips

Why We Love It

On-demand hot water delivery.
Energy-efficient and eco-friendly.
Advanced safety features included.

Main Highlights

➤ On-Demand Hot Water, Energy-Efficient: Delivers 6 litres per minute of instant hot water, heating only when needed to reduce energy consumption. Perfect for campsites, RVs, stables, and off-grid locations.
➤ Requires just 0.25 bar startup pressure and is powered by two 'D'-size batteries (not included).
➤ UKCA and CE Certified for Safety: Complies with CE GAR standards for the EU and UK, offering multiple safety features, including flame failure protection, overheating prevention, and a 20-minute automatic shutoff. Designed to ensure maximum safety for your family.
➤ Weatherproof Rain Cap: Protects the heater by preventing water, leaves, and insects from entering, helping to extend the unit's lifespan.
➤ Equipped with a drain plug to remove residual water, protecting the unit from freeze damage.
➤ Lightweight and compact design with included accessories for quick and easy installation. Highly portable and convenient to carry anywhere.
➤ Easy Operation: Effortlessly adjust heat using the water and gas knobs. The LED display shows the precise water temperature, allowing you to set the perfect shower temperature for both pets and family.
➤ Energy Class: A+

ThermoMate AZ132B 5L Instant Gas Water Heater, Portable Propane Water Heater, Use for Outdoor Showers, Horses, Camping, Motorhome

20% OffFree Shipping

Why We Love It

Instant hot water delivery.
Significant energy saving.
Compact and easy use.

Main Highlights

【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.
【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.
[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.
【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.

8.9

Excellent

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We scanned 1194 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, Eccotemp, VELPAX, Lfhelper, iLAN, thermomate, 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 5971 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 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. We love many things about this product by CAMPLUX. What sets it apart from the competition is Endless hot water supply. , Enhanced safety features. , Energy and cost-efficient.
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 AZ132B 5L Instant Gas Water Heater, Portable Propane Water Heater, Use for Outdoor Showers, Horses, Camping, Motorhomeat thermomate with a 20% 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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