RSE1S35BP - Water heater Rinnai - Free user manual and instructions
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| Brand | Rinnai |
| Model | RSE1S35BP |
| Product Type | Tankless Water Heater |
| Energy Source | Natural Gas |
| Ignition Type | Electronic Ignition |
| BTU Rating | 35,000 BTU/h |
| Flow Rate | 6.5 GPM (at 35°C rise) |
| Temperature Range | 35°C - 65°C (95°F - 149°F) |
| Dimensions (H x W x D) | 20.5 x 13.8 x 9.8 in (520 x 350 x 250 mm) |
| Weight | 38 lb (17.2 kg) |
| Venting Type | Direct Vent (PVC or Stainless Steel) |
| Safety Features | Flame failure device, overheat protection, freeze protection, and safety shut-off |
| Energy Efficiency | Energy Star certified (UEF ≥ 0.95) |
| Warranty | 5 years on heat exchanger, 1 year on parts |
| Maintenance | Annual descaling recommended; clean inlet filter |
| Repairability | User-serviceable parts: filters, remote control batteries; professional repair for internal components |
| Included Accessories | Remote controller, mounting bracket, gas inlet adapter, and installation manual |
Frequently Asked Questions - RSE1S35BP Rinnai
What tools are needed for installation of the Rinnai RSE1S35BP?
Installation requires standard plumbing tools (pipe wrench, Teflon tape), gas line fittings, a drill for venting, and a level. Professional installation is strongly recommended.
How do I descale my Rinnai RSE1S35BP water heater?
Turn off the unit and disconnect it from power. Close the gas and water valves. Connect a circulation pump to the service ports and run a vinegar or descaling solution for 45 minutes. Flush with fresh water before restarting.
What error code 11 means on my Rinnai RSE1S35BP?
Error code 11 indicates ignition failure. Check that the gas supply is on, the gas valve is open, and the venting is not blocked. If the problem persists, contact a professional.
Can I use a Rinnai RSE1S35BP with a tank pre-heater or solar system?
Yes, the RSE1S35BP can be used as a booster for pre-heated water from solar or tank systems. Ensure the inlet water temperature does not exceed 90°C (194°F) to avoid damage.
What is the minimum and maximum gas pressure required?
For natural gas, the minimum inlet pressure is 5 inches WC and maximum is 10.5 inches WC. For LP gas, minimum is 11 inches WC and maximum is 13 inches WC. Use a gas pressure gauge to verify.
How do I adjust the water temperature on the RSE1S35BP?
Use the included remote controller to set the desired temperature between 35°C and 65°C. Press the temperature up/down buttons. The unit will display the set temperature and maintain it with a digital thermostat.
Does the Rinnai RSE1S35BP require electricity to operate?
Yes, the electronic ignition and control board require a 120V AC power supply. The unit consumes about 60 watts during operation. It will not work during a power outage.
What is the flow rate in winter when incoming water is colder?
At a 30°C rise, the flow rate is approximately 6.5 GPM. If the incoming water temperature drops to 5°C, the flow rate may decrease to 3.5 GPM to maintain the same output temperature.
Can I install the RSE1S35BP outdoors?
This model is designed for indoor installation only. Do not install it outdoors or in areas exposed to rain or freezing temperatures unless protected. Use a weatherproof enclosure if necessary.
How do I clean the water inlet filter?
Turn off the unit and shut the water supply. Remove the inlet filter using a wrench. Rinse the filter under running water and replace it. Do this every 3 months or more often if water is hard.
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USER MANUAL RSE1S35BP Rinnai
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Product information
Brand : Rinnai
Model : RSE1S35BP
Category : Water heater