MAWI Tankless water heater Gas Alternatives: 6 Similar Picks Compared
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The MAWI 41000 BTU Portable Propane Heater delivers vent-free outdoor heating with a compact footprint. If you are evaluating mawi tankless water heater gas alternatives, you may want different flow rates, sizes, or brands. This unit offers 1.6 GPM and manual dials for precise control. It fits RV users who prioritize portability and outdoor installation over high flow capacity.
We selected 6 similar picks because their specifications overlap with the MAWI model. All alternatives use propane fuel and are designed for outdoor use. Some offer higher BTU outputs for faster heating, while others provide lower flow rates for solo camping. You might choose a different unit if you need remote control, better overheat protection, or a smaller physical size. Each option in this list matches the core requirements of portable, on-demand hot water for RVs and camping. Compare the specs to find the right fit for your setup.
How these units differ from MAWI
VEVOR 42,000 BTU Propane RV Tankless Water Heater
The VEVOR model offers slightly higher heat output at 42,000 BTU compared to the MAWI’s 41,000 BTU. It includes a remote control for convenience, which the MAWI lacks. The VEVOR is a cube shape measuring 15 inches on each side and weighs 26.9 pounds. The MAWI is larger in height but narrower, weighing less. You should choose the VEVOR if you want remote operation and a more compact cubic footprint. The MAWI is better if you prefer direct manual dial adjustments without needing a remote. Both are propane-powered for RV use.
Camplux 1.58 GPM Portable Propane Water Heater
The Camplux BW158G has a lower flow rate of 1.58 GPM versus the MAWI’s 1.6 GPM. It is significantly lighter at 13 pounds and much narrower at 5.12 inches wide. The MAWI is wider at 11.2 inches and heavier. This Camplux unit is gray, while the MAWI is white. You should pick the Camplux if portability and a slim profile are your top priorities. The MAWI provides a slightly higher flow rate and a wider body for potentially easier connection handling. Both are designed for outdoor camping and RV applications with propane fuel.
HUDEX 42,000 BTU Propane RV Heater
The HUDEX unit matches the MAWI with 42,000 BTU of heat output. It has a similar rectangular shape but measures 16 inches wide and 17 inches high. The MAWI is 16.2 inches high but 11.2 inches wide. The HUDEX is designed for high-flow shower replacements and handles high altitudes well. You should choose the HUDEX if you need a standard compartment fit with robust altitude performance. The MAWI is a good alternative if you prefer its specific compact width. Both are white propane heaters intended for RV use.
Camplux 6L Portable Propane Water Heater
The Camplux BD158 has the same 1.58 GPM flow rate as the other Camplux model but is slightly longer at 11.8 inches. It is lighter at 14 pounds compared to the MAWI. The MAWI is wider at 11.2 inches but has a higher output of 1.6 GPM. This Camplux unit is white and designed for cabins and RVs. You should pick this if you want a balance between the narrow Camplux BW158G and the wider MAWI. The MAWI is better if you need the highest flow rate in this portable category. Both use propane for outdoor heating.
GASLAND BS211 8L Propane Heater
The GASLAND BS211 offers a higher flow rate of 2.11 GPM, which is significantly more than the MAWI’s 1.6 GPM. It includes overheat protection, a specific safety feature not listed for the MAWI. The GASLAND is taller at 20.5 inches and wider at 12.6 inches. The MAWI is more compact in overall dimensions. You should choose the GASLAND if you need a stronger shower stream and advanced safety shutoffs. The MAWI is a better fit if you prioritize a smaller footprint and manual dial controls. Both are white propane heaters for outdoor use.
Flame King 5L 1.32 GPM Propane Heater
The Flame King YSNAZ132 has a much lower flow rate of 1.32 GPM compared to the MAWI’s 1.6 GPM. It is the lightest option at 11 pounds and has a unique thin profile with a 5.5-inch length. The MAWI is wider and heavier. You should pick the Flame King if you are a solo camper needing maximum portability and minimal storage space. The MAWI is better if you need a higher flow rate for shared use. Both are white propane heaters designed for camping and RV cabins.
Quick picks
Our 7 picks
MAWI 41000 BTU Portable Propane Heater
Best for: RV outdoor showers and camping
- Fuel Type
- Propane
- Flow Rate
- 1.6 GPM
- BTU
- 41,000 BTU
- Installation Location
- Outdoor
- Dimensions
- 16.2 x 11.2 x 11.2 inches
- Use
- RV
The MAWI 1.6 GPM portable propane water heater delivers 41,000 BTU of heat for outdoor use. It features a compact 16.2 x 11.2 x 11.2 inch frame and vent-free design. You get three precise dials to control water temperature, gas flow, and water flow. This unit suits RV travelers or outdoor enthusiasts needing on-demand hot water. Professional installation is recommended for safe connection.
Pros
- 41,000 BTU output for instant hot water
- 1.6 GPM flow rate meets basic shower needs
- Three independent dials for precise temperature and flow control
- Compact dimensions allow easy wall-mounting and portability
- Vent-free operation suitable for outdoor environments
Cons
- Outdoor-only installation restricts indoor use
- 1.6 GPM flow rate is lower than larger home units
- Requires professional installation for safety and connection
Good fit if
- You need a compact heater for RV trips
- You require precise manual control over water temperature
- You have an outdoor space for safe vent-free operation
Skip if
- You need an indoor installation option
- You require a flow rate above 1.6 GPM
- You prefer automatic digital temperature controls
Verdict: MAWI 1.6 GPM Portable Propane Heater offers reliable outdoor heating with precise manual controls. It fits RV users who prioritize compact size and vent-free safety over high flow rates.
VEVOR 42,000 BTU Propane RV Tankless Water Heater
Best for: RVs needing high power and remote control
- Fuel Type
- Propane
- BTU
- 42,000 BTU
- Installation Location
- Outdoor
- Dimensions
- 15 x 15 inches
- Use
- RV
- Weight
- 26.9 pounds
View on Amazon: VEVOR 42,000 BTU Propane RV Tankless Water Heater
The VEVOR 42000 BTU unit delivers rapid heating for RV showers and dishwashing. It features segmented combustion for all-season use and includes an LED smart display with touch controls. The design includes a 15x15 inch door and a remote controller. An outdoor water outlet adds utility for washing pets or vehicles. It connects via 1/2 inch NPT fittings and fits standard RV compartments.
Pros
- 42,000 BTU output for quick hot water
- LED smart display with touch controls
- Includes remote controller for easy operation
- Outdoor water outlet for extra utility
- Segmented combustion adjusts to seasonal changes
Cons
- Heavier at 26.9 pounds
- Limited to propane fuel type
- Requires 15x15 inch door opening
Good fit if
- You need a high-BTU heater for RV showers
- You want remote control functionality
- You need an outdoor washing outlet
Skip if
- You prefer a lighter portable unit
- Your RV door opening is smaller than 15x15 inches
- You require natural gas compatibility
Verdict: VEVOR 42000 BTU RV Tankless Heater suits RVers who prioritize high heating power and remote convenience. It fits users who need a robust unit with an outdoor outlet for versatile use.
Camplux 1.58 GPM Portable Propane Water Heater
Best for: camping and low-pressure outdoor showers
- Fuel Type
- Propane
- Flow Rate
- 1.58 GPM
- BTU
- 41,000 BTU/hr
- Installation Location
- Outdoor
- Certification
- CSA
- Dimensions
- 17.3 x 5.12 x 5.12 in
View on Amazon: Camplux 1.58 GPM Portable Propane Water Heater
The Camplux BW158G is a portable propane water heater designed for outdoor use. It delivers 1.58 GPM at 41,000 BTU/hr. Weighing only 13 lbs, it includes a foldable handle for easy transport. It ignites at 3.0 PSI, making it suitable for low-pressure systems. The unit runs on two D-cell batteries and features an LED display with ECO and FULL gas modes for energy control.
Pros
- Lightweight 13 lb build with a foldable handle
- 41,000 BTU/hr output for instant hot water
- Starts with low water pressure of 3.0 PSI
- Battery-powered operation requires no electricity
- CSA certified with 6-in-1 safety protections
Cons
- 1.58 GPM flow rate is lower than many competitors
- Requires two D-cell batteries for ignition
- Outdoor installation only, not for indoor use
Good fit if
- You need a lightweight unit for camping or RV trips
- You have a low water pressure system or gravity feed
- You want a battery-operated heater for off-grid areas
Skip if
- You need indoor installation capabilities
- You require a flow rate higher than 1.58 GPM
- You prefer electric ignition without battery changes
Verdict: Camplux BW158G 1.58 GPM Propane Heater is a practical choice for campers and RVers who prioritize portability and low-pressure compatibility over high flow rates.
HUDEX 42,000 BTU Propane RV Heater
Best for: High-flow RV shower replacement
- Fuel Type
- Propane
- Flow Rate
- 3.17 GPM
- BTU
- 42,000 BTU
- Voltage
- 12V DC
- Temperature Control
- 95–124°F
- Certification
- CSA
This HUDEX unit delivers 3.17 GPM of hot water using 42,000 BTU propane power. It features a 15x15-inch door designed to replace standard 6- to 12-gallon tank-style heaters in most RVs. The system includes intelligent freeze protection and operates reliably at elevations up to 10,827 feet. It offers steady temperature control between 95–124°F, making it a strong alternative for campers seeking higher flow rates than typical portable units.
Pros
- High flow rate of 3.17 GPM
- Fits standard 15x15-inch RV openings
- Operates at elevations up to 10,827 feet
- Includes intelligent freeze protection
Cons
- Larger physical dimensions than compact portable models
- Requires 12V DC power supply connection
- No remote control or mobile app mentioned
Good fit if
- You need a higher flow rate than 1.6 GPM
- You are replacing a standard tank-style RV heater
- You camp at high elevations
Skip if
- You require a compact unit for small storage spaces
- You need a battery-operated or wireless setup
- You prefer a lower flow rate of 1.5 GPM
Verdict: HUDEX 42000 BTU Propane RV Heater is a high-capacity option for RVers who prioritize flow rate over compact size. It fits standard compartments and handles high altitudes well, making it ideal for full-time or high-elevation camping.
Camplux 6L Portable Propane Water Heater
Best for: camping and RV showers
- Fuel Type
- Propane
- Flow Rate
- 1.58 GPM
- BTU
- 41,000 BTU/hr
- Installation Location
- Outdoor
- Temperature Control
- 50°F to 122°F
- Dimensions
- 17.3 x 5.12 x 11.8 inches
This Camplux BD158 is a compact, portable propane water heater designed for outdoor use. It delivers 1.58 GPM at 41,000 BTU/hr, suitable for camping or RV trips. The unit weighs 14 lbs and features a built-in handle for easy carrying. You can adjust the temperature between 50°F and 122°F using the gas and water flow knobs. It requires a 20 lb propane tank and 2D batteries to operate.
Pros
- Weighs only 14 lbs with a portable handle
- Delivers 1.58 GPM of instant hot water
- Adjustable temperature range from 50°F to 122°F
- Compact dimensions of 17.3 x 5.12 x 11.8 inches
Cons
- Lower flow rate of 1.58 GPM limits simultaneous use
- Requires 2D batteries for ignition and display
- Outdoor installation only, not suitable for indoor use
Good fit if
- You need a lightweight heater for camping trips
- You want a compact unit for RV storage
- You prefer manual temperature control knobs
Skip if
- You require indoor installation capabilities
- You need a flow rate above 1.58 GPM
- You want battery-free electronic ignition
Verdict: Camplux BD158 1.58 GPM Portable Propane Heater is a practical option for campers and RV users who prioritize portability and manual control over high flow rates.
GASLAND BS211 8L Propane Heater
Best for: outdoor camping and RV showers
- Fuel Type
- Propane
- Flow Rate
- 2.11 GPM
- BTU
- 55,000 BTU/Hr
- Installation Location
- Outdoor
- Certification
- CSA Certified
- Dimensions
- 20.5 x 12.6 x 12.6 inches
The GASLAND BS211 is a portable propane water heater delivering 2.11 gallons per minute with 55,000 BTU output. It features dedicated overheating protection and starts with low water pressure of 3.6 PSI. The unit weighs little and measures 12.6 by 20.5 by 12.6 inches. It runs on standard 20 lb tanks and suits outdoor camping or RV use. It includes a shower head and regulator.
Pros
- 2.11 GPM flow rate at 55,000 BTU
- Overheating protection for safety
- Starts at 3.6 PSI water pressure
- Portable design under 13 inches wide
Cons
- Not suitable for altitudes over 3,300 feet
- Exposure to rain can damage internal components
- Requires D-cell batteries for ignition
Good fit if
- You need a portable unit for camping or RV trips
- You want reliable overheating protection
- You have low water pressure at your source
Skip if
- You live at high altitudes above 3,300 feet
- You need an indoor installation
- You require weatherproof storage without draining
Verdict: GASLAND BS211 2.11 GPM Propane Heater offers strong heat output and safety features for outdoor use. It fits campers and RVers who prioritize portability and low-pressure start capability.
Flame King 5L 1.32 GPM Propane Heater
Best for: solo camping and quick outdoor rinses
- Fuel Type
- Propane
- Flow Rate
- 1.32 GPM
- BTU
- 34,000 BTU
- Installation Location
- Outdoor
- Certification
- CSA
- Dimensions
- 15 x 12 x 5.5 inches
The Flame King YSNAZ132 is a compact propane unit rated at 34,000 BTU with a 1.32 GPM flow rate. It measures 15 by 12 by 5.5 inches and weighs 11 pounds. CSA safety features include auto-cut off and anti-freeze protection. You should choose this model for camping or outdoor showers where portability matters more than high flow volume.
Pros
- CSA certified for safety
- Lightweight 11-pound build
- Adjustable gas and water knobs
- Includes regulator and shower head
Cons
- Lowest flow rate on the list
- Smallest BTU capacity available
- Basic 1-year warranty only
Good fit if
- You need a lightweight unit for backpacking
- You require CSA safety certification
- You only need hot water for quick rinses
Skip if
- You need higher flow rates for full showers
- You want more power for cold climates
- You prefer longer warranty coverage
Verdict: Flame King YSNAZ132 1.32 GPM Portable Heater suits solo campers who prioritize portability and safety certifications over high water flow or heating power.
Specifications side by side
| Spec | MAWI 41000 BTU Portable Propane Heater | VEVOR 42,000 BTU Propane RV Tankless Water Heater | Camplux 1.58 GPM Portable Propane Water Heater | HUDEX 42,000 BTU Propane RV Heater | Camplux 6L Portable Propane Water Heater | GASLAND BS211 8L Propane Heater | Flame King 5L 1.32 GPM Propane Heater |
|---|---|---|---|---|---|---|---|
| Fuel Type | Propane | Propane | Propane | Propane | Propane | Propane | Propane |
| Flow Rate | 1.6 GPM | not specified | 1.58 GPM | 3.17 GPM | 1.58 GPM | 2.11 GPM | 1.32 GPM |
| BTU | 41,000 BTU | 42,000 BTU | 41,000 BTU/hr | 42,000 BTU | 41,000 BTU/hr | 55,000 BTU/Hr | 34,000 BTU |
| Installation Location | Outdoor | Outdoor | Outdoor | not specified | Outdoor | Outdoor | Outdoor |
| Voltage | not specified | not specified | not specified | 12V DC | not specified | not specified | not specified |
| Temperature Control | not specified | not specified | not specified | 95–124°F | 50°F to 122°F | not specified | not specified |
| Certification | not specified | not specified | CSA | CSA | not specified | CSA Certified | CSA |
| Dimensions | 16.2 x 11.2 x 11.2 inches | 15 x 15 inches | 17.3 x 5.12 x 5.12 in | not specified | 17.3 x 5.12 x 11.8 inches | 20.5 x 12.6 x 12.6 inches | 15 x 12 x 5.5 inches |
| Use | RV | RV | Camping, RV | RV | Camping, RV, Cabins | Camping, RV, Cabins | Camping, RV, Cabins |
| Features | not specified | not specified | not specified | not specified | not specified | Overheat Protection | not specified |
| Weight | not specified | 26.9 pounds | 13 pounds | not specified | 14 pounds | not specified | 11 pounds |
| Color | White | White | Gray | White(42000BTU) | White | White | White |
| Model | Mawi-pg | TMRVQ-05010242 | BW158GCA | JHRW000001 | BD158N | BS211 | YSNAZ132 |
| Size | not specified | 42000 BTU | not specified | 42000BTU | not specified | not specified | 5L - 1.32GPM |
Frequently asked questions
Which gas alternative offers the highest heating power?
The VEVOR 42,000 BTU and HUDEX 42,000 BTU models provide the highest heat output in this group. Both units deliver 42,000 BTU, which is slightly more than the MAWI’s 41,000 BTU rating. This extra power helps maintain consistent water temperature during colder conditions or high-demand usage scenarios.
Is there a portable option that is lighter than the MAWI?
Yes, the Camplux BW158GCA weighs only 13 pounds, making it lighter than the MAWI unit. The Flame King YSNAZ132 is also a strong contender at just 11 pounds. These lighter models prioritize portability, making them easier to carry for solo camping trips or quick outdoor rinses where weight matters.
Which model provides the highest flow rate for showers?
The GASLAND BS211 offers the highest flow rate at 2.11 GPM. This is significantly higher than the MAWI’s 1.6 GPM and the 1.58 GPM found in most Camplux models. If you need a faster shower experience, the GASLAND unit is the best choice among these propane alternatives.
Does any alternative include remote control capabilities?
The VEVOR 42,000 BTU model includes a remote control for convenience. This feature allows you to adjust settings without reaching the unit, which is useful for outdoor installations. The MAWI and other listed models rely on manual dials or controls, requiring physical interaction to change settings.
Which unit is best suited for low-pressure water sources?
The GASLAND BS211 is designed with low-pressure start capability, making it ideal for areas with weak water pressure. The Camplux BW158GCA is also noted for low-pressure compatibility. These features ensure reliable operation even when connected to gravity-fed tanks or systems with minimal water pressure.
Are there models with overheat protection features?
The GASLAND BS211 includes overheat protection as a key safety feature. This helps prevent the unit from reaching dangerous temperatures during operation. While safety is standard for propane heaters, this specific model highlights the feature in its attributes, offering added peace of mind for outdoor and RV use.
Which alternative is the most compact in size?
The Camplux BW158GCA is the most compact, measuring only 5.12 inches in width and length. It stands 17.3 inches tall but takes up minimal space. The Flame King YSNAZ132 is also narrow at 5.5 inches deep. These slim profiles fit easily into small RV compartments or backpacks.