FOGATTI InstaShower Ultra RV Tankless Water Heater Alternatives: 6 Similar Picks Compared

How each alternative compares

Suburban 6-Gallon Gas and Electric RV Water Heater

The Suburban 6-Gallon unit uses a dual-fuel design with electric and gas options, offering stored capacity rather than instant heating. It measures 12.7 inches square and weighs 32.9 pounds, making it slightly smaller but heavier than the FOGATTI model. You get a steel tank for corrosion resistance, which differs from the tankless heat exchanger approach. This choice suits you if you prefer steady, stored hot water over high-flow instantaneous delivery. It lacks the 3.9 GPM flow rate of the FOGATTI, so it is better for users who prioritize reliability and storage over rapid, continuous hot water supply for multiple simultaneous uses.

Ranein 65,000 BTU RV Tankless Water Heater

The Ranein model delivers 65,000 BTU, which is slightly lower than the FOGATTI's 66,000 BTU. It shares the same 15-inch square dimensions but weighs only 15.5 pounds, making it significantly lighter. You get a silver finish and a compact form factor that fits standard RV compartments. This unit is ideal for RV families needing strong flow rates without the weight penalty. It gives up the built-in mixing tank and precise ±1°F temperature control found in the FOGATTI. If you prioritize raw heating power and lightweight portability over advanced temperature stabilization features, this alternative offers a practical balance for high-demand usage scenarios.

APUS 68,000 BTU RV Propane Water Heater

The APUS heater provides 68,000 BTU, exceeding the FOGATTI's capacity, and runs on propane. It measures 14.2 inches wide and 15 inches high, fitting standard compartments with a white finish. You get a robust safety feature set and a flow rate balanced for full-time RV living. It weighs 24 pounds, which is heavier than the Ranein but lighter than the Suburban tank. This model is best for travelers needing reliable performance in standard setups. It lacks the FOGATTI's built-in mixing tank and ultra-low flow startup technology. If you want higher BTU output and standard propane compatibility without the specialized eco-friendly flow controls, this is a practical upgrade choice.

VEVOR 42,000 BTU Propane RV Tankless Water Heater

The VEVOR unit offers 42,000 BTU, which is lower than the FOGATTI's 66,000 BTU. It shares the 15-inch square dimensions and white color, weighing 26.9 pounds. You get remote control convenience, which matches the FOGATTI's intelligent remote feature. This model suits users with standard 15 x 15 inch door openings who need reliable hot water for multiple users. It gives up the higher heating capacity and the ±1°F temperature precision of the FOGATTI. The lower BTU output means it may struggle in colder conditions compared to the FOGATTI. If you prioritize remote operation and standard fitment over maximum flow rate and temperature stability, this alternative provides solid performance for everyday RV showers.

Camplux 5L Portable Propane Water Heater

The Camplux 5L is a portable propane heater designed for outdoor use, weighing only 10 pounds. It measures 11.4 inches wide and 4.33 inches high, making it much smaller and lighter than the FOGATTI. You get overheat protection and low-pressure start capabilities, ideal for off-grid camping where power is unavailable. This unit is best for solo campers or couples seeking lightweight convenience. It lacks the high flow rate, indoor installation capability, and temperature stability of the FOGATTI. It is not a direct replacement for RV tank heaters. If you need a portable solution for remote outdoor showers rather than a permanent RV fixture, this lightweight option offers reliable performance without the bulk of tankless indoor units.

Orbek 60,000 BTU 12V RV Tankless Water Heater

The Orbek 60,000 BTU heater runs on propane and measures 12.7 inches square, weighing 20.5 pounds. It is slightly smaller and lighter than the FOGATTI. You get high-altitude performance and remote temperature control, which appeals to travelers visiting elevation-heavy regions. This model is ideal for RV families needing steady hot water in varied climates. It gives up the built-in mixing tank and the ±1°F precision of the FOGATTI. The lower BTU output may result in slightly less flow capacity. If you value easy installation and remote control over maximum heating power and advanced temperature stabilization, this alternative offers a practical solution for high-altitude RV adventures.

Quick picks

Our 7 picks

1 Best overall

FOGATTI InstaShower Ultra RV Tankless Water Heater

Best for: High-flow RV showers with precise temp control

Flow Rate

3.9 GPM

BTU

66,000 BTU

Temperature Control

±1°F

Certification

CSA

Dimensions

15 x 15 x 15 in

Use

RV

View on Amazon: FOGATTI InstaShower Ultra RV Tankless Water Heater Affiliate link

The FOGATTI InstaShower Ultra RV tankless water heater delivers up to 3.9 GPM at 66,000 BTU. It features a built-in mixing tank and precise temperature control within ±1°F. The unit includes an intelligent remote controller and operates effectively at altitudes up to 9,800 feet. This model replaces standard 6-gallon tank heaters and suits RVers needing stable hot water flow in varied weather conditions.

Pros

• 66,000 BTU/hr heating capacity
• Up to 3.9 GPM flow rate
• Built-in mixing tank for temperature stability
• Precise temperature control within ±1°F
• Includes intelligent remote controller

Cons

• 0.5 GPM ultra-low flow startup may limit pressure for some users
• Requires 18x18 inch door retrofit for 10-gallon tank replacements
• Limited to 15x15 inch opening for standard replacements

Good fit if

• You need high flow rates for simultaneous bathroom and kitchen use
• You want precise temperature control within ±1°F
• You are replacing a standard 6-gallon tank water heater

Skip if

• You have a 10-gallon tank and cannot retrofit an 18x18 inch door
• You require flow rates higher than 3.9 GPM
• You prefer a unit without a built-in mixing tank

Verdict: The FOGATTI InstaShower Ultra RV Tankless Water Heater fits RVers who need high flow rates and precise temperature control. It replaces standard 6-gallon tanks well but requires retrofitting for larger 10-gallon units.

2 Best premium

Suburban 6-Gallon Gas and Electric RV Water Heater

Best for: RVers 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

The Suburban SW6DE is a 6-gallon tank-style heater for RVs. It uses propane or optional 1,440-watt electric power. The steel tank features a porcelain lining and a replaceable anode rod for corrosion protection. Recovery rates reach 10.1 GPH on gas. It fits standard 12.7-inch cutouts. This unit suits travelers who prefer stored hot water over instant heating.

Pros

• Dual fuel capability with propane and optional electric element
• Porcelain-lined steel tank with replaceable anode rod
• High gas recovery rate of 10.1 gallons per hour
• Compact 12.7-inch square footprint fits standard RV spaces

Cons

• Smaller 4.0-gallon usable capacity compared to tankless units
• Heavier at 32.9 pounds due to steel tank construction
• Requires a 12.75-inch cutout which may limit installation spots

Good fit if

• You need a reliable backup water source while plugged into shore power
• You prefer the consistent flow of a tank system over instant heating
• You want a unit with proven corrosion protection via an anode rod

Skip if

• You require unlimited hot water for multiple simultaneous showers
• You need a lightweight unit for easy transport in a small RV
• You want a compact footprint smaller than 12.7 inches

Verdict: Suburban 6-Gallon RV Water Heater provides steady hot water through its dual-fuel design and durable steel tank. It is ideal for RVers who prioritize storage capacity and corrosion resistance over the space-saving benefits of tankless models.

3 Also great

Ranein 65,000 BTU RV Tankless Water Heater

Best for: RV families needing high flow rate

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 RV Tankless Water Heater delivers 65,000 BTU of heat with a flow rate of 3.9 GPM. It runs on 12V DC power and measures 15 x 15 x 15 inches. This unit features a copper heat exchanger and a multi-function remote. It suits RV users who need strong hot water pressure and reliable performance in cold weather.

Pros

• 65,000 BTU high-output burner for fast heating
• 3.9 GPM flow rate supports simultaneous use
• 12V DC power integrates with RV electrical systems
• Multi-function remote shows gas and voltage data
• Oxygen-free copper heat exchanger for durability

Cons

• Exterior door not included and sold separately
• 15.5-pound weight is bulkier than portable options
• Remote lacks wireless smart home connectivity

Good fit if

• You want higher flow rates for longer showers
• You need 12V DC power for RV installation
• You travel in cold climates requiring freeze protection

Skip if

• You prefer a compact portable unit for camping
• You want a complete kit with the exterior door
• You need smart app control for remote monitoring

Verdict: Ranein RV Tankless Water Heater 65K BTU offers strong flow and heat for RV families. It fits users who prioritize performance over compact size.

4 Also great

APUS 68,000 BTU RV Propane Water Heater

Best for: Standard RV compartment replacements

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 tankless water heater delivers 68,000 BTU of propane power for on-demand hot water. It provides a flow rate of 3.9 GPM, suitable for most RV showers and sinks. The unit fits standard RV compartments with a 14.96-inch square footprint. It includes a remote control for temperature adjustments inside the vehicle. This model is designed for campers and travel trailers seeking reliable performance at elevations up to 9,800 feet.

Pros

• 68,000 BTU propane burner for high heat 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 some portable units
• Propane only, no electric heating option
• Requires 12V DC power for operation

Good fit if

• You need a direct replacement for a 6-gallon tank heater
• You want to adjust temperature from inside the RV
• You camp at high elevations up to 9,800 feet

Skip if

• You require a unit with electric heating capability
• You need a portable unit under 20 pounds
• You prefer a black access door only

Verdict: APUS 68,000 BTU RV Tankless Water Heater offers a strong balance of flow rate and safety features for full-time RV living. It is a practical upgrade for travelers who need reliable hot water in standard compartments.

5 Also great

VEVOR 42,000 BTU Propane RV Tankless Water Heater

Best for: High-output RV showers with 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 heating power for rapid hot water in RVs. It features a 15 x 15 inch white door and a remote controller for easy operation. The device includes an LED smart display and touch controls. It is designed for outdoor installation and propane fuel. Segmented combustion technology adjusts temperature for all-season use. It fits most standard RVs with 1/2 inch NPT connectors.

Pros

• 42,000 BTU heating power for quick hot water
• Includes remote controller and LED smart display
• Front outdoor water outlet for washing pets or vehicles
• Segmented combustion technology for energy-efficient all-season use

Cons

• Heavier at 26.9 pounds compared to portable alternatives
• Requires 15 x 15 inch door opening for installation
• Limited to propane fuel type only

Good fit if

• You need high BTU output for family showers
• You want remote control capability for the unit
• You require an outdoor water outlet for camping

Skip if

• You prefer electric or dual-fuel heating options
• Your RV door opening is smaller than 15 x 15 inches
• You need a lightweight portable unit under 20 pounds

Verdict: VEVOR 42000 BTU RV Tankless Water Heater is a solid choice for RVers who prioritize high heating capacity and remote convenience. It suits those with standard 15 x 15 inch door openings who need reliable hot water for multiple users.

6 Best budget

Camplux 5L Portable Propane Water Heater

Best for: solo campers seeking lightweight off-grid 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

This Camplux 5L unit delivers 1.32 GPM of instant hot water using propane. It weighs only 10 lbs and features a folding handle for easy transport. The device requires no electricity, lighting with just 3.0 PSI of water pressure. It includes CSA certification and six safety protections. This heater suits campers and RV travelers who need a lightweight, off-grid shower solution without complex installation.

Pros

• Lightweight 10 lb build with folding handle
• Starts with low 3.0 PSI water pressure
• CSA certified with 6-in-1 safety protections
• No electricity needed for operation

Cons

• Lower 1.32 GPM flow rate limits simultaneous use
• Requires 2 D-size batteries for ignition
• Designed for outdoor use only

Good fit if

• You need a lightweight heater for camping trips
• You lack access to electrical outlets
• You want a CSA-certified safety rating

Skip if

• You require high flow rates for multiple fixtures
• You need indoor installation capabilities
• You prefer battery-free ignition systems

Verdict: Camplux 5L Portable Propane Heater offers reliable off-grid performance for solo campers or couples. Its low weight and low-pressure start make it ideal for remote outdoor showers where power is unavailable.

7

Orbek 60,000 BTU 12V RV Tankless Water Heater

Best for: RVers needing high-altitude hot water performance

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 is a propane-powered tankless water heater designed for RVs. It delivers 60,000 BTU/hr using 12V DC power. The unit features a compact 12.7-inch cubic design and includes a smart remote for temperature control between 95°F and 123°F. It also has a built-in pressure-reducing valve and high-altitude mode. This heater suits campers needing reliable hot water without the maintenance of tank models.

Pros

• 60,000 BTU/hr propane burner for continuous hot water
• Built-in 150 PSI pressure-reducing valve
• Smart remote control with error code display
• High-altitude mode for operation up to 9,800 feet

Cons

• No GPM rating provided in specifications
• Door panels sold separately for standard RV openings
• CSA certified but lacks explicit UL listing mention

Good fit if

• You want a compact unit that fits standard 15x15 or 18x18 RV openings
• You need high-altitude performance for mountain travel
• You prefer a remote control for temperature adjustment

Skip if

• You require a specified flow rate in gallons per minute
• You need included decorative door panels for your RV
• You prefer electric-only operation without propane

Verdict: Orbek 60K BTU RV Tankless Water Heater provides steady hot water for RV families who travel to high altitudes. It fits buyers who value easy installation and remote temperature control over included aesthetic panels.

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Frequently asked questions

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