1. Introduction
This manual provides essential information for the safe and efficient operation, installation, and maintenance of your Ranein 2025 GEN II ExploreFlow Pro RV Tankless Water Heater. Please read all instructions carefully before installation and use. Retain this manual for future reference.
Image 1.1: Ranein RV Tankless Water Heater, engineered for adventure and CSA certified.
2. Safety Information
Your Ranein water heater is designed with safety in mind and is CSA-certified. Adhere to all local codes and regulations during installation and operation. Failure to do so may result in property damage, personal injury, or death.
General Safety Precautions:
- Ensure proper ventilation during operation.
- Do not store flammable materials near the water heater.
- Verify gas connections are secure and leak-free.
- The unit features an automatic gas shut-off if flames fail.
- An anti-freeze system activates below 42.8°F (6°C) to prevent damage.
- A built-in pressure relief valve drains excess water if pressure is too high.
Image 2.1: Illustration of the built-in pressure relief valve, designed to release excess water pressure.
3. Product Overview
The Ranein 2025 GEN II ExploreFlow Pro is a 65,000 BTU on-demand RV tankless water heater designed for continuous hot water supply. It features a multi-function controller, a thermostatic chamber for stable temperatures, and high-altitude readiness.
Key Features:
- Endless Hot Water: Delivers up to 3.9 GPM at 65,000 BTU.
- Thermostatic Chamber: Ensures consistent water temperature by automatically adjusting heat output.
- Multi-Function Remote Control: Displays real-time gas usage, voltage, water flow rate (GPM), anti-freeze activation status, and supports high-altitude operation.
- High Altitude Ready: Operates efficiently at altitudes up to 9,800 feet.
- Anti-Freeze System: Automatically activates below 42.8°F (6°C).
- CSA Certified: For safety and reliability.
Image 3.1: The Ranein ExploreFlow Pro RV Tankless Water Heater and its digital remote control.
Image 3.2: Key features of the Ranein RV Water Heater, highlighting its performance and design.
Image 3.3: Details of the 2025 GEN II performance upgrades, including enhanced efficiency and quiet operation.
Image 3.4: Illustration of the constant temperature chamber, which prevents temperature fluctuations.
4. Installation
The Ranein ExploreFlow Pro is designed for easy replacement of most RV water heaters, fitting a standard 12.8" x 12.8" opening. Compatible door kits are sold separately.
Installation Steps:
- Prepare Opening: Ensure your RV has a 12.8" x 12.8" cutout.
- Mount Unit: Secure the water heater into the prepared opening.
- Connect Water Lines: Connect the 1/2" NPT water inlet and outlet.
- Connect Gas Line: Attach the 5/8"-18UNF gas interface.
- Connect Power: Wire the unit to a 12V DC power supply (Black for positive, White for negative).
- Install Remote Control: Connect the wired remote control.
- Leak Check: After all connections, check for any gas or water leaks.
Attention: If the unit does not start after installation, verify that the hot and cold pipes are not reversed.
Image 4.1: Dimensions and compatibility for RV installation, showing a 12.8" x 12.8" cutout.
Image 4.2: Connection points for power, water, and gas on the Ranein water heater.
5. Operation
The multi-function remote control allows for easy management of your water heater settings and monitoring.
Using the Multi-Function Remote Control:
- Setting Temperature: Adjust desired water temperature.
- Real-time Display: View real-time GPM (gallons per minute), current temperature, voltage, and gas usage.
- High Altitude Mode: Activate for optimal performance at elevations up to 9,800 feet.
- Anti-Freeze Activation: Monitor the status of the automatic anti-freeze system.
- Error Codes: The display will show error codes if an issue occurs.
Image 5.1: The multi-function remote control interface, displaying temperature, voltage, and other operational data.
Image 5.2: Detailed explanation of the remote control's display and functions.
Image 5.3: The water heater's capability to operate effectively in high altitude environments up to 9,800 feet.
Image 5.4: Examples of the water heater's versatile applications in an RV setting.
6. Maintenance
Regular maintenance ensures the longevity and optimal performance of your Ranein water heater.
Key Maintenance Points:
- Anti-Freeze System: The unit has an automatic anti-freeze system. Ensure it is functioning correctly, especially in cold climates.
- Winterization: For extended periods of non-use in freezing temperatures, it is recommended to fully drain the water heater and plumbing system to prevent damage, even with the anti-freeze system.
- Cleaning: Periodically inspect and clean the exterior of the unit.
- Ventilation: Keep the exhaust fan and air intake clear of obstructions.
7. Troubleshooting
This section addresses common issues you might encounter with your Ranein water heater.
Common Issues and Solutions:
- No Hot Water:
- Check gas supply and connections.
- Verify 12V power supply is connected and functional.
- Ensure water flow is sufficient (minimum flow rate required for activation).
- Check remote control for error codes.
- Fluctuating Water Temperature:
- The thermostatic chamber should prevent this. If it occurs, check water pressure and flow consistency.
- Ensure the unit is not cycling on/off rapidly due to low flow.
- Unit Not Starting:
- Confirm hot and cold water lines are connected correctly (not reversed).
- Check for error codes on the remote control.
- Gas Shut-off:
- The unit has an automatic gas shut-off if flames fail. If this happens repeatedly, check gas pressure and ventilation.
8. Specifications
Detailed technical specifications for the Ranein 2025 GEN II ExploreFlow Pro RV Tankless Water Heater.
Image 8.1: Detailed product parameters and dimensions.
| Specification | Detail |
|---|---|
| Brand | Ranein |
| Model Number | RA65LH |
| Product Dimensions | 15"W x 15"H |
| Cutout Dimensions | 12.8" x 12.8" |
| BTU Rating | 65,000 BTU |
| Flow Rate (GPM) | Max 3.9 GPM |
| Fuel Type | Propane (LP Gas) |
| Power Input | 12V DC |
| Water Operating Pressure | 10 PSI - 110 PSI |
| Fuel Inlet Pressure | 0.4 PSI |
| Setting Temperature Range | 95°F (35°C) - 124°F (51°C) |
| Special Features | Multi-Function Remote Control, Thermostatic Chamber, Anti-Freeze System, CSA Safety Certification |
| Item Weight | 27.8 pounds |
9. Warranty and Support
Ranein is committed to providing reliable products and excellent customer service.
Warranty Information:
- Your Ranein water heater comes with a 2-year warranty against manufacturing defects.
- The product also features 8 types of security protection for enhanced durability and safety.
Image 9.1: Overview of the 2-year warranty and 8 types of security protection features.
Customer Support:
For comprehensive product problem-solving service or any inquiries, please contact the Ranein Team:
- Email: service@ranein.net
- US Phone: (424)-452-2630
