Ranein vs APUS Tankless Water Heaters: Which Brand Fits You?
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Comparing the ranein vs APUS tankless water heater reveals two strong options for RV hot water. Both units deliver 3.9 GPM and run on 12V DC propane systems. They share CSA certification and similar dimensions for standard RV cutouts. The main difference lies in their output power and specific safety features. Ranein offers 65,000 BTU with oxygen-free copper construction. APUS provides 68,000 BTU with advanced intelligent combustion controls.
Key differences
| Aspect | Ranein 65,000 BTU RV Tankless Water Heater | APUS 68,000 BTU RV Propane Water Heater |
|---|---|---|
| BTU Output | 65,000 BTU | 68,000 BTU |
| Heat Exchanger Material | Oxygen-free copper | Not listed |
| Freeze Protection Activation | Below 42.8°F | At 35.6°F |
| Dimensions | 15 x 15 x 15 in | 14.96 x 14.96 x 14.18 in |
| Weight | 15.5 pounds | 24 pounds |
| Pressure Relief Valve | Included | 203 PSI |
Which one should you choose?
Choose Ranein 65,000 BTU RV Tankless Water Heater if
- You prefer a lighter unit that weighs only 15.5 pounds for easier handling.
- You want a copper heat exchanger for potentially better corrosion resistance.
- You need freeze protection to activate at a higher temperature threshold.
Choose APUS 68,000 BTU RV Propane Water Heater if
- You want the highest BTU output at 68,000 for maximum heating power.
- You prefer a more compact footprint with slightly smaller dimensions.
- You value intelligent staged combustion for precise temperature adjustments.
Verdict: Choose the Ranein if you prioritize lighter weight and copper construction. Pick the APUS if you want slightly more power and a smaller physical size. Both models reliably serve RV hot water needs.
Ranein vs APUS RV Specs
Heating power
APUS offers 68,000 BTU of heating power, while Ranein provides 65,000 BTU. Both units aim to deliver stable hot water for RV use. The higher BTU on the APUS model suggests a slightly more robust heating capacity. This difference may help maintain temperature consistency during colder weather or when multiple fixtures are in use. Ranein’s 65,000 BTU is still powerful enough for most RV scenarios, but APUS has the edge in raw output numbers.
Flow rate
Both the Ranein and APUS tankless water heaters are rated for a maximum flow rate of 3.9 GPM. This specification means you can expect similar performance for showers and sink use. Neither unit holds a clear advantage in terms of water volume delivery. Both models support simultaneous use of multiple faucets without significant pressure drop, provided the water supply is adequate. For most RVers, this flow rate is sufficient for daily needs, making this aspect a tie between the two brands.
Weight
Weight is a practical consideration for RV installation and mobility. Ranein is lighter at 15.5 pounds, whereas APUS weighs 24 pounds. The Ranein unit is nearly 9 pounds lighter than its competitor. This difference may matter if you are installing the unit in a tight space or need to handle it frequently during maintenance. The lighter build of the Ranein heater could simplify the installation process for some users, giving it a slight advantage in portability and ease of handling.
Dimensions
The Ranein measures 15 x 15 x 15 inches, while the APUS is 14.96 x 14.96 x 14.18 inches. Both sizes are designed to fit standard RV cutouts, typically replacing 6, 10, or 12-gallon tank heaters. The Ranein is slightly taller and has a perfectly cubic shape. The APUS is marginally shorter and narrower. These minor differences likely do not affect compatibility with most RV compartments. Both units should fit standard openings, so neither has a significant edge in physical size.
Safety features
Both units include CSA certification and flame failure protection. APUS lists additional protections such as gas leak protection, dry-burn protection, over-temperature protection, and a 203 PSI pressure relief valve. Ranein mentions a built-in pressure relief valve and anti-freeze function. The APUS provides a more detailed list of safety mechanisms in its specifications. This comprehensive list gives APUS a slight edge in perceived safety coverage, although both meet essential RV safety standards.
Freeze protection
Anti-freeze functionality is critical for cold-weather RVing. Ranein activates its anti-freeze function below 42.8°F. APUS activates its intelligent freeze protection at 35.6°F. Ranein’s system engages at a higher temperature, potentially offering earlier protection against freezing damage. This earlier activation could be beneficial in rapidly dropping temperatures. APUS still provides protection, but Ranein’s threshold is more conservative, giving it a slight advantage in cold-climate preparedness.
Which Tankless Water Heater Fits Your RV
Budget-conscious RVers needing reliable heat
The Ranein unit delivers 65,000 BTU with a 3.9 GPM flow rate. Its oxygen-free copper heat exchanger ensures efficient heat transfer. The 12.8-inch cutout fits standard RV compartments. You get CSA certification and anti-freeze protection below 42.8°F. This model offers stable performance for daily RV living without excess cost or complexity.
High-altitude campers seeking robust power
The APUS heater provides 68,000 BTU for stronger heating capacity. It operates reliably at elevations up to 9,800 feet. Intelligent staged combustion adjusts to incoming water temperature. The unit includes flame failure and dry-burn protection. You benefit from a lower minimum flow start of 0.55 GPM, ensuring consistent hot water even in demanding conditions.
Users wanting precise temperature control
Ranein features a thermostatic mixing chamber for stable water temperatures. Its multi-function remote displays gas consumption and voltage in real time. The adjustable range spans 95°F to 124°F. You can monitor flow rates and anti-freeze activation easily. This precision helps prevent summer overheating and extends propane runtime for longer, uninterrupted showers.
The products compared
Ranein 65,000 BTU RV Tankless Water Heater
Best for: RVers needing stable flow and temp control
- 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
This Ranein unit delivers 65,000 BTU and 3.9 GPM for RV hot water. It uses 12V DC power and features a thermostatic mixing chamber for stable temperatures. The oxygen-free copper heat exchanger supports efficient heating. It fits standard RV cutouts and includes a multi-function remote. CSA certification ensures safety for travel use.
Pros
- 65,000 BTU output for faster heating
- 3.9 GPM flow rate for strong pressure
- 12V DC power for RV integration
- Thermostatic mixing chamber for stable temps
- Multi-function remote with real-time data
Cons
- Exterior door not included
- Heavier at 15.5 pounds
- Lower BTU than the 68,000 BTU competitor
Good fit if
- You need strong flow for simultaneous use
- You want stable temperatures in cold weather
- You require 12V DC RV compatibility
Skip if
- You prefer a higher 68,000 BTU output
- You want a unit with an included door
- You need a lighter installation option
Verdict: Ranein RV 65K BTU 3.9 GPM suits RVers who prioritize steady flow and temperature stability over maximum BTU power. It is a solid choice for families needing reliable hot water during travel.
APUS 68,000 BTU RV Propane Water Heater
Best for: High-altitude RV camping with remote control needs
- 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
This APUS unit delivers 68,000 BTU of heating power for on-demand hot water in recreational vehicles. It provides a flow rate of 3.9 GPM and operates on propane with 12V DC power. The compact design fits standard RV compartments and includes a remote control for easy temperature adjustment. It is built for reliable performance at elevations up to 9,800 feet.
Pros
- 68,000 BTU propane burner for continuous hot water
- 3.9 GPM flow rate for efficient showering
- Includes remote control for convenient temperature settings
- Operates at elevations up to 9,800 feet
- CSA certified with multiple safety protections
Cons
- Lower flow rate than the Ranein model on this list
- Maximum capacity of 3.9 GPM may limit simultaneous use
- Requires 12V DC power source for operation
Good fit if
- You need a compact unit that fits standard RV water heater openings
- You travel to high-altitude campsites above 5,000 feet
- You want remote control access to adjust water temperature
Skip if
- You require a flow rate higher than 3.9 GPM
- You need a unit rated for indoor residential installation
- You prefer a higher BTU output for faster heating
Verdict: APUS RV Propane Tankless Water Heater is a practical option for RVers who prioritize compact dimensions and remote control convenience. It suits travelers who frequently camp at high elevations or need a direct replacement for standard tank water heaters in travel trailers and motorhomes.
Specifications side by side
| Spec | Ranein 65,000 BTU RV Tankless Water Heater | APUS 68,000 BTU RV Propane Water Heater |
|---|---|---|
| Fuel Type | Propane | Propane |
| Flow Rate | 3.9 GPM | 3.9 GPM |
| BTU | 65,000 BTU | 68,000 BTU |
| Voltage | 12V DC | 12V DC |
| Temperature Control | 95°F to 124°F | not stated |
| Certification | CSA | CSA |
| Dimensions | 15 x 15 x 15 inches | 14.96 x 14.96 x 14.18 inches |
| Use | RV | RV |
| Weight | 15.5 pounds | 24 pounds |
| Color | Silver | White |
| Model | JF.JSQ19-10FWH-B-NA | AP-AWH-RV10W-NEW |
Frequently asked questions
Which tankless water heater is lighter for RV use?
The Ranein model is lighter. It weighs 15.5 pounds, making it easier to handle during installation or maintenance. The APUS unit is heavier at 24 pounds. You might prefer the Ranein if weight is a priority for your RV setup.
What are the dimensions of the Ranein tankless water heater?
The Ranein unit measures 15 inches in width, height, and length. Its cubic form factor fits standard RV compartments. The APUS model is slightly narrower at 14.2 inches wide and deep, but shares the same 15-inch height. Both fit typical cutouts.
Does the APUS heater come with a remote control?
Yes, the APUS model includes remote control convenience. This feature allows you to adjust settings without accessing the unit directly. The Ranein data does not mention a remote. If you need remote access, the APUS unit is the better choice for your RV.
Which brand is better for high-altitude camping?
The APUS unit is suitable for high-altitude RV camping. Its 68,000 BTU output provides robust heating capacity for thinner air at elevation. The Ranein offers 65,000 BTU. You should choose APUS if you frequently camp at high elevations and need reliable performance.
What color options are available for these RV heaters?
The Ranein heater comes in silver. The APUS model is available in white. These colors help the units blend with standard RV interiors or exteriors. Your choice depends on your aesthetic preference for the installation location within your travel trailer or motorhome.
Are both units CSA certified for safety?
Both the Ranein and APUS heaters hold CSA certification. This ensures they meet safety standards for RV propane systems. You can trust either unit for safe operation in your vehicle. This shared certification confirms both brands prioritize compliance with industry safety regulations.