RSEP1S35P - Water heater Rinnai - Free user manual and instructions
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| Product Type | Tankless Gas Water Heater |
| Brand | Rinnai |
| Model | RSEP1S35P |
| Dimensions (H x W x D) | 20.5 x 14 x 9 inches |
| Weight | 40 lbs |
| Fuel Type | Natural Gas or Propane (convertible) |
| Input Rating | 35,000 BTU/hr |
| Water Connections | 3/4 inch NPT |
| Temperature Control | Digital thermostat with remote control |
| Energy Efficiency | Condensing technology, up to 96% efficiency |
| Minimum Flow Rate | 0.26 GPM |
| Maximum Flow Rate | 3.5 GPM |
| Ignition System | Electronic direct ignition |
| Safety Features | Overheat protection, flame failure safety, freeze protection |
| Maintenance | Annual descaling, clean inlet filter |
| Installation Type | Indoor or outdoor with approved venting |
| Venting | PVC or stainless steel, 3 inch diameter |
| Warranty | 12 years on heat exchanger, 5 years on parts |
| Repairability | Replaceable heat exchanger, control board, and sensors |
Frequently Asked Questions - RSEP1S35P Rinnai
What type of gas does the Rinnai RSEP1S35P use?
It can be configured for natural gas or propane (LPG) using a conversion kit.
What is the minimum water flow required to activate the heater?
The minimum flow rate is 0.26 gallons per minute (GPM). Below this, the unit will not turn on.
How do I descale the RSEP1S35P?
Use a descaling solution (like vinegar or citric acid) circulated through the heat exchanger with a pump. Follow the manual for annual descaling to prevent mineral buildup.
What does error code 11 mean on a Rinnai water heater?
Error 11 indicates ignition failure. Check gas supply, spark electrode, and flame rod. Reset the unit after resolving the issue.
Can this unit be installed outdoors?
Yes, it can be installed outdoors if protected from direct rain and snow, using an approved outdoor venting kit.
What is the maximum temperature setting?
The digital thermostat allows settings up to 140°F (60°C). For safety, avoid scalding temperatures.
How often should I clean the inlet filter?
Clean the inlet water filter every 3-6 months or when flow decreases. Remove and rinse it with water.
Does the RSEP1S35P have freeze protection?
Yes, it has a built-in freeze protection system that activates the burner and pump when temperatures drop near freezing.
What venting materials are compatible?
Use PVC, CPVC, or stainless steel vent pipes with a diameter of 3 inches. Length and elbows must comply with manual specs.
Where can I find replacement parts?
Replacement parts like the heat exchanger, control board, and thermistor are available through authorized Rinnai dealers or online.
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USER MANUAL RSEP1S35P Rinnai
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Product information
Brand : Rinnai
Model : RSEP1S35P
Category : Water heater