1. Important Safety Information
WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Read all instructions thoroughly before installation and operation. Failure to follow these instructions can result in property damage, personal injury, or death. This appliance must be installed by a qualified professional.
- Ensure proper ventilation as specified in the installation guide.
- Do not store flammable materials near the water heater.
- Verify gas and water connections are secure and leak-free.
- Always disconnect power before servicing the unit.
2. Product Overview
The Rheem Prestige RTGH-RH10DVLP is a high-efficiency condensing indoor tankless water heater designed to provide continuous hot water. It features a built-in recirculation pump with auto-learning programming for optimized hot water delivery.
Key Features
- Continuous hot water supply.
- High energy efficiency (0.94 UEF) and water savings settings.
- Compact, space-saving design suitable for tank replacement.
- Integrated water and gas leak detection with automatic shutdown and error code display.
- Auto-Learn Programming: Tracks water usage to optimize hot water availability during peak times.
- Ultra Low NOx burner for reduced emissions.
- Low flow activation: Minimum flow rate and activation flow rate of 0.50 GPM.
Product Dimensions
The unit measures approximately 17.38 inches in width and 28.75 inches in height.
3. Installation Requirements
Professional installation is required for this appliance. Improper installation will void the warranty and can lead to hazardous conditions. Consult the full installation manual provided with the unit for detailed instructions and local codes.
Site Selection
This model is designed for indoor installation only. Ensure the chosen location provides adequate clearance for maintenance and proper ventilation.
Venting
Venting can be up to 100 feet with 3-inch PVC pipe or up to 50 feet with 2-inch PVC pipe. Condensing tankless water heaters require specific venting materials (PVC or non-condensing stainless steel exhaust venting) which may differ from traditional tank water heaters.
Gas and Water Connections
- Gas Line: A 3/4-inch liquid propane gas line is recommended for optimal performance.
- Water Connections: Inlet and outlet piping may require alterations to connect the tankless unit.
Electrical Requirements
The unit requires 120 Volts for operation. Ensure your residence's electrical service meets the unit's requirements.
4. Operation
Initial Startup
After professional installation, follow the specific startup procedures outlined in the comprehensive manual. This typically involves purging air from the water lines and verifying gas supply.
Recirculation Feature
The built-in recirculation pump includes an auto-learning program. This system tracks your household's hot water usage patterns over time and automatically programs itself to provide hot water when needed, reducing wait times and conserving water.
Flow Rate Activation
The unit activates at a minimum flow rate of 0.50 GPM (Gallons Per Minute), ensuring hot water even with low demand fixtures.
5. Maintenance
Regular maintenance ensures optimal performance and longevity of your tankless water heater. It is recommended to have a qualified technician perform annual maintenance.
General Maintenance
- Descaling: Periodically flush the unit to remove mineral buildup, especially in areas with hard water. Refer to the full manual for descaling procedures.
- Filter Cleaning: Check and clean the inlet water filter as needed to prevent debris from entering the unit.
- Visual Inspection: Regularly inspect the unit for any signs of leaks, corrosion, or damage to connections and venting.
6. Troubleshooting
The RTGH-RH10DVLP is equipped with diagnostic features to assist in troubleshooting. If an issue arises, the unit's display will often show an error code.
Error Codes
Refer to the detailed troubleshooting section in the complete owner's manual for a list of error codes and their corresponding solutions. Common issues may include flame sensor errors, overheat conditions, or flow restrictions.
Leak Detection
The unit features integrated gas and water leak detectors. In the event of a detected leak, the system will automatically shut down and display an error code to prevent further damage or hazards.
7. Technical Specifications
| Specification | Value |
|---|---|
| Brand | Rheem |
| Model Number | RTGH-RH10DVLP |
| Product Dimensions | 17.38"W x 28.75"H |
| Color | Gray |
| Voltage | 120 Volts |
| Heat Output | 180,000 British Thermal Units |
| Efficiency | 0.94 UEF |
| Maximum Operating Pressure | 150 PSI |
| Mounting Type | Wall Mount |
| Fuel Type | Liquid Propane |
| Item Weight | 85 pounds |
| Certification | Energy Star, WaterSense |
| Usage | Indoor |
8. Warranty Information
The Rheem RTGH-RH10DVLP tankless water heater comes with the following warranty coverage:
- Heat Exchanger: 12 years
- Parts: 5 years
- Labor: 1 year
Please note that professional installation is required to maintain warranty validity. Refer to the official warranty document included with your product for complete terms and conditions.
9. Customer Support
For technical assistance, troubleshooting guidance, or warranty claims, please contact Rheem customer support. Have your model number (RTGH-RH10DVLP) and serial number ready when contacting support.
You can find contact information on the Rheem official website or in the documentation provided with your water heater.
