RSE1S35SN - Water heater Rinnai - Free user manual and instructions
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| Product Type | Gas Tankless Water Heater |
| Brand | Rinnai |
| Model | RSE1S35SN |
| Dimensions (H x W x D) | 20.5 x 12.2 x 8.3 inches |
| Weight | 38.6 lbs |
| Fuel Type | Natural Gas |
| Energy Factor | 0.82 |
| Flow Rate | 6.5 GPM |
| Ignition | Electronic (Direct Spark) |
| Venting | Direct Vent (2 pipes) |
| Temperature Control | Digital thermostat with remote control |
| Safety Features | Overheat protection, flame failure, freeze protection |
| Maintenance | Descaling every 12 months; clean inlet filter regularly |
| Spare Parts Available | Heat exchanger, flow sensor, burner assembly, PCB, fan motor |
| Warranty | 15 years for heat exchanger, 5 years parts |
| Installation Requirements | Gas line 3/4", 120V electrical outlet, adequate ventilation |
Frequently Asked Questions - RSE1S35SN Rinnai
Does the Rinnai RSE1S35SN require a power source?
Yes, it requires a 120V electrical outlet for its electronic ignition and control board.
What is the minimum gas supply required?
A 3/4-inch gas line is recommended for proper flow. Ensure gas pressure is between 5 and 10.5 inches WC.
Can this water heater be used with propane?
The RSE1S35SN is designed for natural gas only. A conversion kit may be available from Rinnai for propane.
How often should I descale the unit?
Descaling is recommended every 12 months to maintain efficiency. Use a vinegar or citric acid solution.
What error code indicates a blocked vent?
Error code 12 or 14 often signals vent blockage. Check for obstructions and ensure proper clearance.
Can I use the remote control to set exact temperature?
Yes, the digital remote allows precise temperature setting from 100°F to 140°F.
Is professional installation required?
Installation should be performed by a licensed plumber or gas fitter to comply with local codes.
What is the maximum water flow rate?
The unit delivers up to 6.5 gallons per minute at a 45°F temperature rise.
How do I clean the inlet filter?
Turn off gas and water, remove the filter screen from the water inlet, rinse with water, and reinstall. Do this every 6 months.
What does error code 39 mean?
Error code 39 indicates a combustion issue. Check gas supply, venting, and air intake for blockages.
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