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Looking Beyond the Ranein RV Tankless Water Heater? 6 Alternatives Worth a Look

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You might be looking for ranein RV tankless water heater alternatives if the Ranein RA65EH does not fit your specific needs. This unit delivers 65,000 BTU and 3.9 GPM with 12V DC power, making it strong for simultaneous use. However, its 15x15x15 inch size and propane-only fuel type may limit your options. You might prefer a different flow rate, a smaller footprint, or a dual-fuel system for greater flexibility.

The 6 alternatives listed here were chosen because their specifications overlap with the original. Each option offers distinct advantages, from higher BTU outputs to compact portable designs. Some models provide stored water capacity, while others focus on remote control convenience or off-grid portability. By comparing these specs, you can find a heater that better matches your RV’s electrical setup, available space, and hot water demands. This guide helps you evaluate each product’s practical features to ensure a reliable upgrade.

Our top pick: Ranein 65,000 BTU RV Tankless Water Heater.

How these alternatives compare

Suburban 6-Gallon Gas and Electric RV Water Heater

The Suburban 6-Gallon unit stores hot water rather than heating it on demand. It holds 4.0 gallons, which provides a buffer for back-to-back showers without relying on continuous heating speed. This model runs on both electric and gas power, offering dual-fuel flexibility that the Ranein lacks. It weighs 32.9 pounds and measures 12.7 inches on each side, fitting into standard RV cutouts. You should choose this if you prioritize stored capacity and steady temperature stability over instant high-flow performance. It is better for small RVs where space and power options matter more than rapid reheating.

APUS 68,000 BTU RV Propane Water Heater

The APUS 68,000 BTU model delivers more heating power than the Ranein’s 65,000 BTU output. It features a 15-inch height and 14.2-inch width, making it slightly narrower but taller than the Ranein’s 15x15x15 inch cube. Weighing 24 pounds, it is heavier than the Ranein’s 15.5-pound unit. This option suits RVers who want maximum flow rates and indoor remote control convenience. It gives up some compact portability for higher output. If you need the strongest heating performance available for long showers, this high-BTU propane heater is the better choice over the Ranein.

VEVOR 42,000 BTU Propane RV Tankless Water Heater

The VEVOR 42,000 BTU heater offers lower heating power than the Ranein’s 65,000 BTU rating. It shares the same 15x15x15 inch footprint and includes remote control functionality. Weighing 26.9 pounds, it is heavier than the Ranein. This model is designed for budget-conscious users who still want the convenience of remote monitoring. It provides adequate hot water for solo travelers or couples who do not need simultaneous multi-faucet use. You should pick this if you value cost savings and basic remote features over maximum BTU output and high flow rates.

Camplux 5L Portable Propane Water Heater

The Camplux 5L is a portable, battery-free propane heater designed for outdoor use. It measures 11.4 by 4.33 by 14.8 inches and weighs only 10 pounds, making it far more portable than the Ranein. It lacks the high flow rate and indoor convenience of the Ranein. This unit is ideal for off-grid camping and outdoor showers where power sources are limited. You should choose this if you prioritize portability and safety features like overheat protection. It is not a direct replacement for your RV’s built-in system but serves as a reliable backup for camping trips.

Orbek 60,000 BTU 12V RV Tankless Water Heater

The Orbek 60,000 BTU heater is slightly less powerful than the Ranein’s 65,000 BTU output. It measures 12.7 inches on each side, making it more compact than the Ranein’s 15-inch cube. Weighing 20.5 pounds, it is also lighter. This model is designed for RVs with standard 15x15 inch openings and offers altitude stability. It includes remote control convenience. You should pick this if you need a smaller footprint and reliable performance at high altitudes. It gives up some maximum BTU power for a more compact design and specialized altitude handling.

Camplux 1.58 GPM Portable Propane Water Heater

The Camplux 1.58 GPM portable heater offers a much lower flow rate than the Ranein’s 3.9 GPM. It measures 5.12 by 17.3 by 5.12 inches and weighs 13 pounds. This battery-operated unit is designed for low-pressure outdoor showers and camping. It provides reliable hot water for solo use but cannot support simultaneous faucet use. You should choose this if you prioritize extreme portability and low power consumption. It is not suitable for full-time RV living or high-demand showers. It serves as a compact solution for off-grid scenarios where space and weight are critical.

Quick picks

#ProductBest forPrice
1 Ranein 65,000 BTU RV Tankless Water Heater Best overall simultaneous hot water use in RVs Check price of Ranein 65,000 BTU RV Tankless Water Heater on Amazon
2 Suburban 6-Gallon Gas and Electric RV Water Heater Best premium RVs needing stored hot water capacity Check price of Suburban 6-Gallon Gas and Electric RV Water Heater on Amazon
3 APUS 68,000 BTU RV Propane Water Heater Best 68,000 btu High-output RV showers with remote control Check price of APUS 68,000 BTU RV Propane Water Heater on Amazon
4 VEVOR 42,000 BTU Propane RV Tankless Water Heater Also great Budget-conscious RVers needing remote control Check price of VEVOR 42,000 BTU Propane RV Tankless Water Heater on Amazon
5 Camplux 5L Portable Propane Water Heater Best budget off-grid camping and portable outdoor showers Check price of Camplux 5L Portable Propane Water Heater on Amazon
6 Orbek 60,000 BTU 12V RV Tankless Water Heater Also great RVers with 15x15 inch openings seeking altitude stability Check price of Orbek 60,000 BTU 12V RV Tankless Water Heater on Amazon
7 Camplux 1.58 GPM Portable Propane Water Heater Best 1.58 gpm camping and low-pressure outdoor showers Check price of Camplux 1.58 GPM Portable Propane Water Heater on Amazon

Our 7 picks

Best overall

Ranein 65,000 BTU RV Tankless Water Heater

Best for: simultaneous hot water use in RVs

Fuel Type
Propane
Flow Rate
3.9 GPM
BTU
65,000 BTU
Voltage
12V DC
Temperature Control
95°F to 124°F
Certification
CSA

View on Amazon: Ranein 65,000 BTU RV Tankless Water Heater Affiliate link

The Ranein RA65EH delivers 65,000 BTU of heat with a 3.9 GPM flow rate. It runs on 12V DC and fits standard 15x15 inch RV cutouts. The unit includes a multi-function remote for monitoring gas and voltage. Its oxygen-free copper heat exchanger supports durability. This heater suits RV families needing strong, simultaneous hot water flow.

Pros

  • High 65,000 BTU output for faster heating
  • Strong 3.9 GPM flow rate for multiple users
  • 12V DC power integrates with RV electrical systems
  • Multi-function remote shows gas, voltage, and flow data
  • Anti-freeze function activates below 42.8°F

Cons

  • Exterior door is not included with the unit
  • Heavier at 15.5 pounds compared to portable models
  • Requires separate purchase for replacement door kits

Good fit if

  • You need hot water for simultaneous shower and faucet use
  • You travel in cold climates requiring freeze protection
  • You want real-time monitoring of gas and voltage via remote

Skip if

  • You prefer a compact portable unit for camping
  • You want a complete package with an included exterior door
  • You require a standard 120V household electrical connection

Verdict: Ranein RA65EH 65k BTU RV Heater provides high flow and power for full-time RV living. It fits buyers who prioritize simultaneous hot water usage and remote monitoring over compact portability.

Best premium

Suburban 6-Gallon Gas and Electric RV Water Heater

Best for: RVs needing stored hot water capacity

Fuel Type
Electric, Gas
BTU
12,000 BTU/h
Wattage
1,440 W
Capacity
6 Gallon
Dimensions
12.69 x 12.69 x 19.19 in
Use
RV

View on Amazon: Suburban 6-Gallon Gas and Electric RV Water Heater Affiliate link

This Suburban unit is a compact 6-gallon tank heater designed for RV use. It features a porcelain-lined steel tank and a replaceable anode rod for corrosion protection. You get 12,000 BTU gas heating plus an optional 1,440-watt electric element. The flue tube design optimizes heat transfer. It measures 12.7 inches square and weighs 32.9 pounds. This fits RVs needing stored hot water rather than instant flow.

Pros

  • Porcelain-lined steel tank for durability
  • Dual fuel with 12,000 BTU gas and 1,440W electric options
  • Replaceable anode rod simplifies maintenance
  • Optimized flue tube for efficient heat transfer

Cons

  • Only 4.0 gallons of usable capacity
  • Heavier at 32.9 pounds than tankless units
  • Slower recovery rate compared to on-demand flow

Good fit if

  • You need a reliable backup hot water source
  • You have space for a small vertical tank
  • You want to use campsite electric power

Skip if

  • You require instant on-demand hot water
  • You need high flow rates for multiple showers
  • You want to minimize vehicle weight

Verdict: Suburban 6-Gallon RV Water Heater provides steady hot water for small RVs. It suits travelers who prioritize storage capacity and dual-fuel flexibility over rapid heating speed.

Best 68,000 btu

APUS 68,000 BTU RV Propane Water Heater

Best for: High-output RV showers with remote control

Fuel Type
Propane
Flow Rate
3.9 GPM
BTU
68,000 BTU
Voltage
12V DC
Certification
CSA
Dimensions
14.96 x 14.96 x 14.18 inches

View on Amazon: APUS 68,000 BTU RV Propane Water Heater Affiliate link

The APUS RV Tankless Water Heater delivers 68,000 BTU of heating power with a flow rate of 3.9 GPM. It fits standard RV openings and runs on propane with 12V DC power. This unit includes a remote control for temperature adjustments and offers CSA certification for safety. It suits RVers needing reliable hot water for showers and dishwashing.

Pros

  • 68,000 BTU propane burner for high output
  • 3.9 GPM flow rate for steady hot water
  • Includes remote control for indoor temperature adjustment
  • CSA certified with multiple safety protections
  • Fits standard 12.6 x 12.6 inch cutouts

Cons

  • Heavier at 24 pounds than portable competitors
  • Requires 12V DC power for operation
  • Limited to propane fuel type only

Good fit if

  • You want the highest BTU output in this list
  • You prefer using a remote control inside your RV
  • You need a unit that replaces standard tank heaters

Skip if

  • You need a portable unit for outdoor camping
  • You require electric or dual-fuel flexibility
  • You prioritize a lighter weight for easy handling

Verdict: APUS RV Tankless Water Heater 68k BTU is the most powerful option here, ideal for RVers who prioritize high flow rates and indoor remote control convenience over portability.

Also great

VEVOR 42,000 BTU Propane RV Tankless Water Heater

Best for: Budget-conscious RVers needing 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 Affiliate link

This VEVOR unit delivers 42,000 BTU of heat using propane, producing hot water for showers and dishwashing. It features a 15 x 15 inch door and includes a remote controller for easy operation. The LED display allows you to adjust settings directly. It is designed for outdoor installation and fits standard RV openings. This model suits travelers who need reliable, instant hot water in a compact package.

Pros

  • 42,000 BTU heating power for rapid hot water delivery
  • Includes remote controller and LED smart display for easy control
  • Front outdoor water outlet for washing pets or vehicles
  • Segmented combustion technology adjusts temperature for seasonal changes

Cons

  • Lower 42,000 BTU output compared to the 65,000 BTU Ranein alternative
  • No internal hot water storage tank for buffer capacity
  • Requires 1/2 inch NPT connectors for water and gas lines

Good fit if

  • You want a budget-friendly tankless option with a remote control
  • You need an outdoor water outlet for camping chores
  • You have a standard 15 x 15 inch RV door opening

Skip if

  • You require higher than 42,000 BTU heating power
  • You need an electric-only unit without propane
  • You prefer a model with a built-in water tank

Verdict: VEVOR 42000 BTU RV Tankless Water Heater is a practical choice for RVers who value remote control convenience and outdoor utility over maximum heating power.

Best budget

Camplux 5L Portable Propane Water Heater

Best for: off-grid camping and portable outdoor showers

Fuel Type
Propane
Flow Rate
1.32 GPM
Installation Location
Outdoor
Certification
CSA
Dimensions
4.33 x 11.4 x 14.8 inches
Use
Camping, RV

View on Amazon: Camplux 5L Portable Propane Water Heater Affiliate link

The Camplux 5L is a lightweight, propane-powered tankless water heater designed for off-grid camping and RV use. It delivers 1.32 GPM of instant hot water without needing electricity, starting at just 3.0 PSI. Weighing only 10 pounds, it fits easily in your vehicle. This CSA-certified unit includes 6-in-1 safety protections, making it a practical choice for outdoor showers, washing gear, or family camping trips where power access is limited.

Pros

  • 1.32 GPM flow rate for instant hot water
  • Ultra-lightweight 10-pound design with folding handle
  • Starts with low 3.0 PSI water pressure
  • CSA certified with 6-in-1 safety protections
  • No electricity required; runs on 2 D-size batteries

Cons

  • Low 1.32 GPM flow rate limits simultaneous use
  • Outdoor-only installation restricts indoor RV use
  • Requires manual 2 D-size battery replacement

Good fit if

  • You need a portable shower for camping or off-grid sites
  • You want a lightweight unit that fits in a car trunk
  • You need hot water without relying on electrical hookups

Skip if

  • You require a high-flow shower for multiple users
  • You need an indoor-rated unit for permanent RV installation
  • You prefer electric-powered convenience over propane maintenance

Verdict: Camplux 5L Portable Propane Heater is a compact, battery-free solution for campers who need reliable hot water away from power sources. It fits buyers who prioritize portability and safety over high flow rates or indoor convenience.

Also great

Orbek 60,000 BTU 12V RV Tankless Water Heater

Best for: RVers with 15x15 inch openings seeking altitude stability

Fuel Type
Propane
BTU
60,000 BTU
Voltage
12V DC
Temperature Control
95°F to 123°F
Certification
CSA
Dimensions
12.7 x 12.7 x 12.7 in

View on Amazon: Orbek 60,000 BTU 12V RV Tankless Water Heater Affiliate link

The Orbek HRU-RG060-A1 delivers continuous hot water using a 60,000 BTU propane burner. It runs on 12V DC power and fits standard 15x15 inch RV openings. The unit includes a smart remote for temperature control between 95°F and 123°F. It also features a built-in pressure-reducing valve and high-altitude mode. This compact heater suits RVers who want reliable performance without complex installation.

Pros

  • 60,000 BTU/hr propane burner for continuous hot water
  • Smart remote control adjusts temperature from 95°F to 123°F
  • Built-in 150 PSI pressure-reducing valve reduces extra purchases
  • High-altitude mode ensures stable operation up to 9,800 feet
  • CSA certified with automatic gas shut-off safety features

Cons

  • Lower 60,000 BTU output compared to the 65,000 BTU Ranein RV
  • Requires separate purchase of door panels for a finished look
  • No electric heating element, limiting use to propane only

Good fit if

  • You need a direct replacement for a standard 15x15 inch RV water heater space
  • You travel to high altitudes and need reliable combustion performance
  • You prefer remote temperature adjustment over manual dials

Skip if

  • You require a higher flow rate provided by 65,000 BTU models
  • You want a unit that includes decorative door panels in the box
  • You need an electric or dual-fuel heating option

Verdict: The Orbek RV Tankless Water Heater, 60,000 BTU offers a practical, compact solution for RVs with standard 15x15 inch openings. It fits buyers who prioritize altitude performance and remote control convenience over maximum BTU output.

Best 1.58 gpm

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 Affiliate link

The Camplux BW158G is a lightweight propane heater designed for outdoor use. It delivers 1.58 gallons per minute at 41,000 BTU. Weighing only 13 pounds, it includes a foldable handle for easy carrying. The unit ignites at 3.0 PSI water pressure, making it suitable for low-pressure systems. It runs on two D-cell batteries and connects to a standard garden hose. This model is ideal for camping or RV trips where portability matters.

Pros

  • 1.58 GPM flow rate at 41,000 BTU
  • Lightweight 13-pound build with foldable handle
  • Starts with 3.0 PSI water pressure
  • CSA certified safety with 6-in-1 protection
  • Battery-powered operation requires no electricity

Cons

  • Lower flow rate compared to full-size RV heaters
  • Requires two D-cell batteries for ignition
  • Limited to outdoor installation only

Good fit if

  • You need a portable heater for camping or off-grid use
  • You have a low water pressure system (3.0 PSI minimum)
  • You want a lightweight unit for easy transport

Skip if

  • You need a high-flow shower for multiple fixtures
  • You require indoor installation capabilities
  • You prefer electric ignition without battery maintenance

Verdict: Camplux BW158G Portable 1.58 GPM Heater is a compact, battery-operated solution for campers and RVers who prioritize portability over high flow. It fits users who need reliable hot water in low-pressure, off-grid scenarios.

Specifications side by side

Spec Ranein 65,000 BTU RV Tankless Water Heater Suburban 6-Gallon Gas and Electric RV Water Heater APUS 68,000 BTU RV Propane Water Heater VEVOR 42,000 BTU Propane RV Tankless Water Heater Camplux 5L Portable Propane Water Heater Orbek 60,000 BTU 12V RV Tankless Water Heater Camplux 1.58 GPM Portable Propane Water Heater
Fuel Type Propane Electric, Gas Propane Propane Propane Propane Propane
Flow Rate 3.9 GPM not stated 3.9 GPM not stated 1.32 GPM not stated 1.58 GPM
BTU 65,000 BTU 12,000 BTU/h 68,000 BTU 42,000 BTU not stated 60,000 BTU 41,000 BTU/hr
Wattage not stated 1,440 W not stated not stated not stated not stated not stated
Installation Location not stated not stated not stated Outdoor Outdoor not stated Outdoor
Capacity not stated 6 Gallon not stated not stated not stated not stated not stated
Voltage 12V DC not stated 12V DC not stated not stated 12V DC not stated
Temperature Control 95°F to 124°F not stated not stated not stated not stated 95°F to 123°F not stated
Certification CSA not stated CSA not stated CSA CSA CSA
Dimensions 15 x 15 x 15 inches 12.69 x 12.69 x 19.19 in 14.96 x 14.96 x 14.18 inches 15 x 15 inches 4.33 x 11.4 x 14.8 inches 12.7 x 12.7 x 12.7 in 17.3 x 5.12 x 5.12 in
Use RV RV RV RV Camping, RV RV Camping, RV
Features not stated not stated not stated not stated Overheat Protection not stated not stated
Weight 15.5 pounds 32.9 pounds 24 pounds 26.9 pounds 10 pounds 20.5 pounds 13 pounds
Color Silver Steel White White White Tankless, Silver Water Heater Gray
Model JF.JSQ19-10FWH-C-NA 5239A AP-AWH-RV10W-NEW TMRVQ-05010242 AY132 HRU-RG060-A1 BW158GCA
Size not stated 6 Gallon not stated 42000 BTU Classic not stated not stated

Frequently asked questions

Which RV tankless water heater has the highest BTU output?

The APUS RV Tankless Water Heater offers the highest output at 68,000 BTU. This makes it the most powerful option on this list. It is ideal for RVers who prioritize high flow rates and indoor remote control convenience over portability.

Is there a tankless option that runs on 12V DC power?

Yes, the Orbek 60,000 BTU 12V RV Tankless Water Heater runs on 12V DC. It provides a practical solution for RVs with standard 15x15 inch openings. It fits buyers who prioritize altitude performance and remote control convenience over maximum BTU output.

What is the smallest and lightest portable option for camping?

The Camplux 5L Portable Propane Water Heater is the smallest and lightest unit. It weighs only 10 pounds and measures 11.4 by 4.33 by 14.8 inches. It is a compact, battery-free solution for campers who need reliable hot water away from power sources.

Which unit is best for simultaneous hot water use in an RV?

The Ranein 65,000 BTU RV Tankless Water Heater is best for simultaneous use. It provides high flow and power for full-time RV living. It fits buyers who prioritize simultaneous hot water usage and remote monitoring over compact portability.

Can I find a tankless heater with overheat protection?

The Camplux 5L Portable Propane Water Heater includes overheat protection. It is designed for safety in outdoor settings. This feature makes it a reliable choice for off-grid camping and portable outdoor showers where safety is a priority.

Which model is best for low-pressure outdoor showers?

The Camplux 1.58 GPM Portable Propane Water Heater is best for low-pressure scenarios. It delivers 1.58 GPM, making it suitable for camping and low-pressure outdoor showers. It is a compact, battery-operated solution for users who need reliable hot water in off-grid conditions.

Is there a tankless heater with a remote control?

Several models include remote control features. The APUS 68,000 BTU unit offers indoor remote control convenience. The VEVOR 42,000 BTU model also provides remote control convenience. The Orbek 60,000 BTU unit includes remote control for added ease of use.

Which unit is the most budget-friendly tankless option?

The VEVOR 42,000 BTU Propane RV Tankless Water Heater is the best budget option. It is a practical choice for RVers who value remote control convenience and outdoor utility. It offers a lower power output but remains a cost-effective solution.

See also