RSE1S50BP - Water heater Rinnai - Free user manual and instructions
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| Product Type | Tankless Water Heater |
| Brand | Rinnai |
| Model | RSE1S50BP |
| Energy Source | Natural Gas or Propane (convertible) |
| Flow Rate | 5.0 GPM at 35°F rise |
| Temperature Range | 98°F - 140°F (37°C - 60°C) |
| Dimensions (H x W x D) | 27.6 x 18.5 x 9.8 inches |
| Weight | 47 lbs (21.3 kg) |
| Ignition Type | Direct electronic ignition |
| Venting Type | Direct vent (PVC or stainless steel) |
| Minimum Gas Pressure | 5 inches WC (natural gas) |
| Maximum Gas Pressure | 10.5 inches WC |
| Water Connections | 3/4 NPT |
| Electrical Requirements | 120 V, 60 Hz, 1.5 A |
| Energy Efficiency (UEF) | 0.82 (natural gas) |
| Warranty | 12 years for heat exchanger, 5 years for parts |
| Safety Features | Flame lockout, overheat protection, freeze protection |
| Maintenance | Annual flushing with vinegar to remove scale |
| Repair Parts Availability | Widely available through Rinnai distributors and online |
| Installation Requirements | Must be installed by a licensed professional; requires combustion air supply |
Frequently Asked Questions - RSE1S50BP Rinnai
How do I reset the water heater?
Press the RESET button on the control board. If the unit does not reset, check for error codes and consult the manual.
What does error code 11 mean?
Error code 11 indicates ignition failure. Check gas supply, propane tank level, and ensure the unit has proper ventilation.
How often should I flush the system?
Rinnai recommends annual flushing with a vinegar solution to remove mineral buildup and maintain efficiency.
Can I install it myself?
No, installation must be performed by a licensed professional due to gas, electrical, and venting requirements.
What is the warranty period?
The heat exchanger has a 12-year warranty, and other parts have a 5-year warranty. Labor is not covered.
How do I adjust the temperature?
Use the digital temperature controller (included) to set the desired temperature between 98°F and 140°F.
Why is the water not heating?
Check if the gas supply is on, the unit is powered, and the water flow is sufficient (at least 0.5 GPM). Also inspect for error codes.
How do I clean the filter?
Remove the water inlet filter and rinse it under running water. Install it back after cleaning. Do this every 3-6 months.
Is it compatible with solar?
Yes, the RSE1S50BP can be used as a backup or booster for solar thermal systems with proper installation.
Where can I find the manual?
Download the user manual from Rinnai's website or use the QR code on the unit. It is also available on notice-facile.com.
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USER MANUAL RSE1S50BP Rinnai
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Product information
Brand : Rinnai
Model : RSE1S50BP
Category : Water heater