10 Best Lpg Gas Water Heater in The UK

Last updated on 16/07/2025

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CAMPLUX Gas Water Heater 20 litres, Instant LPG Water Heater for Garden Shower, RV, Tiny House, ECO/Full Mode, BW Series BW528B

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Why We Love It

20 liters per minute.
Precise temperature control.
Outdoor-friendly hot water.

Main Highlights

20 L/M on Demand Hot Water: This LPG tankless water heater delivers 20 litres of hot water per minute for large families or places that require a large amount of hot water
Precise Temperature Control: ECO / FULL mode switching (40% energy saving for ECO). Water temperature is easily to be adjusted via gas and water control knobs. You can accurately set your ideal water temperature for a relaxing shower via the LED display
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''
φ128mm Vent Pipe: This design ensures the outdoor gas water heater efficiently heat dissipation, preventing internal overheating and maintaining superior performance even during extended use
Outdoor Hot Water Solutions: This gas water heater is easy to be installed, requiring only 2-D-cell batteries for instant hot water without any electricity mains, suitable for caravans, campsite, poolside, cabins and barns, and other off-grid areas

MIZUDO Gas Water Heater LPG Propane Indoor Instant Hot Tankless with Led Display for Bath Home Waterproof [Energy Class A]

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Why We Love It

Smart thermostat ensures constant temperature.
Low pressure electronic ignition.
Elegant, modern LED display.

Main Highlights

Instant gas heater with sealed chamber: Compatible with solar installations, Easy installation. Smart zone thermostat: The temperature is adjusted at all times to maintain a constant, ensuring a stable and comfortable water temperature even when hot water is used in another part of the house at the same time. New state-of-the-art autonomous gas proportion regulator, with more precise temperature control.
Low NOx Emissions: Low emission burner, High efficiency and energy savings, safe and reliable. Oxygen-free copper antibacterial water tank: Anti-corrosive and leak-proof, fast thermal conductivity, high energy efficiency and long service life.
Very Gentle Electronic Ignition - The gas heater has an automatic low pressure electronic ignition, which allows you to have hot water even with low water pressure; It works with a minimum water pressure of 0.1 bar. Minimum power of 5 kW, Gas connection: 1/2". Hot and cold water connection: 1/2". Gas Connection mm Ø 60/100.
Multifunctional LED Display - LED screen, easy to use. It allows you to check the temperature of the hot water in the bathtub at all times, while the temperature can be adjusted at any time to your liking, and other graphs allow you to check at all times that the water heater is working correctly. Minimalist, elegant and modern white panel design.
Note: The heater does not include the smoke outlet necessary for its installation. If you have problems with the quality of your product, you can contact us by phone, email or message and we will service you according to our warranty policy.

Static Caravan Ferroli Pegaso 11 Litre Lpg Water Heater Updated Cointra CPA 11

Why We Love It

High Efficiency Performance Guaranteed.
Robust Two-Year Warranty Included.
Compact Design Fits Anywhere.

Main Highlights

Gas Type - LPG
Dimensions (H x W x D) - 560 x 330 x 180 mm
Water Connections - 1/2" Bsp
Comes with a 2 Year Warranty!
Low NOx max - 52 mg/kWh
Heat Capacity - Max 11.8 kW | Min 6.3 kW
Performance at max power - 87%
Gas Supply Pressure - 37 mbar
Output Power - Min 7 kW | Max 18.9 kW
Operating Pressure - Min 0.2 bar | Max 10 bar

GASLAND Propane Instant Gas Water Heater BG264, 10L/Min LPG Hot Tankless Boiler with LED Display for Home Use, White,30/37mbar

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Why We Love It

Efficient as every water heating.
Perfect for mobile homes.
Easy temperature adjustments.

Main Highlights

10 LPM Propane Gas Boiler:10L per minutes hot water. It features G 1/2"incoming and outgoing water connections. Designed for compatibility with most standard size plumbing. This ultra-efficient tankless water heater is ideal for just about every single-family home.
Not Just for the Home: powered by batteries, the propane gas tank provides heat, so it doesn't require internal gas, perfect for mobile homes, RVs, and outdoor building.
LED Digital Display:The LED digital display screen allows you to easily adjust and view output water temperature.
Premium Heat Exchanger - The primary heat exchanger is built out of oxygen-free copper, offering better heat transfer than stainless steel and designed to be more resilient against corrosion.
Flue pipe specification: 110mm diameter flue pipe, when installing, the pipe connecting the flue must maintain a length of 50cm, and then adjust the bends according to the use of the site.
Applicable scenes: need to ensure good ventilation. Balcony, terrace, laundry room, garage, basement, tiny house, garden and so on.
Installation Tips - This propane gas water heater must be installed in a well-ventilated area. Recommended in accordance with local building and plumbing codes by licensed professionals.Needs a smoke outlet kit (not included), compatible with standard smoke outlet kits on the market

Static Caravan Ferroli Pegaso 6 Litre Lpg Water Heater Updated Cointra CPA 6

Why We Love It

Optimal performance at maximum power.
Impressive heat capacity range.
Reliable with 2-year Warranty.

Main Highlights

Gas Type - LPG
Dimensions (H x W x D) - 550 x 280 x 185 mm
Water Connections - 1/2" Bsp
Comes with a 2 Year Warranty!
Low NOx max - 52 mg/kWh
Heat Capacity - Max 11.8 kW | Min 6.3 kW
Performance at max power - 87%
Gas Supply Pressure - 37 mbar
Output Power - Min 5.4 kW | Max 10.4 kW
Operating Pressure - Min 0.2 bar | Max 10 bar

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

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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.

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 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.

CO-Z Gas Water Heater 18L, 30.6kW LPG Water Heater with Winter & Summer Modes, Stainless Steel Tankless Water Heater, Hot Water Heater with LED Display,Use for Outoor,Camping,Trip [Energy Class A]

Why We Love It

Instant hot water anytime.
Customizable temperature settings.
Ideal for off-grid living.

Main Highlights

🛀 Instant Hot Water 24/7: CO-Z's LPG water heater offers a powerful 30.6kW heat output and 18 L/min. capacity, providing instant hot water for your home around the clock
🛀 Adjustable Modes & Temp.: This tankless hot water heater allows you to customise your water temperature with a range of 28–62°C, and switch between summer and winter modes for optimal comfort all year round
🛀 Enhanced Safety Features: This on-demand hot boiler comes with comprehensive safety features, such as flame failure, anti-freezing, and overheating protection to ensure your family's safety while enjoying hot water
🛀 Enhanced Safety Features: This on-demand hot boiler comes with comprehensive safety features, such as flame failure, anti-freezing, and overheating protection to ensure your family's safety while enjoying hot water
🛀 Ideal for Off-Grid Living: No electricity or natural gas required! This instant water heater offers you a constant supply of hot water throughout the year using only two 1.5V D batteries and an LPG gas cylinder.From shower washing and pet washing to outdoor camping, it can meet diverse hot water supply needs

8.7

Excellent

We scanned 1443 products

We reviewed these offers relevant to the Lpg Gas Water Heater 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, MIZUDO, Ferroli, GASLAND, thermomate, VELPAX, CO-Z, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Lpg Gas Water Heater in the market, we considered we took a deep dive into 7216 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 Gas Water Heater 20 litres, Instant LPG Water Heater for Garden Shower, RV, Tiny House, ECO/Full Mode, BW Series BW528B. We love many things about this product by CAMPLUX. What sets it apart from the competition is 20 liters per minute, Precise temperature control, Outdoor-friendly hot water.
The best value product for most shoppers and where user satisfaction is continuously the highest is MIZUDO Gas Water Heater LPG Propane Indoor Instant Hot Tankless with Led Display for Bath Home Waterproof [Energy Class A] by MIZUDO based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Lpg Gas Water Heater 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 15% discount.
Our list of the best Lpg Gas Water Heater 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 Lpg Gas Water Heater in The UK

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We scanned 1443 products

We concluded that: