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General| Model Number | RC98i REU-KA3237FFUD-US |
|---|---|
| Fuel Type | Gas |
| Maximum Flow Rate | 9.8 GPM |
| Water Connection Size | 3/4" NPT |
| Gas Connection Size | 3/4" NPT |
| Heat Exchanger Material | Copper |
| Type | Tankless |
| Gas Type | Natural Gas |
| Maximum BTU Input | 199, 000 BTU/h |
| Minimum BTU Input | 15, 000 BTU/h |
| Ignition Type | Electronic |
| Electrical Requirements | 120 VAC, 60 Hz |
| Warranty | 12 years heat exchanger, 5 years parts, 1 year labor |
| Vent Size | 3" |
Lists Rinnai tankless water heater models for indoor and outdoor applications.
Provides critical steps to follow if you smell gas.
Details specifications like gas consumption, water capacity, and electrical usage.
Explains safety alert symbols (DANGER, WARNING, CAUTION) and their meanings.
Covers essential practices for safe use and installation.
Describes built-in safety mechanisms like overheat and flame failure.
Explains the continuous hot water supply and direct vent system.
Details features available on various temperature controller models.
Illustrates the buttons and indicators on MC-91 and MCC-91 controllers.
Step-by-step guide to adjusting the water temperature using the controller.
Table showing available temperature settings for different Rinnai models.
Information on re-setting maximum temperature via switches.
Covers suggested temperatures, no-controller settings, and sound volume adjustment.
Explains the bath fill feature, its exclusive controller, and limitations.
Steps to set desired water volume and temperature for bath filling.
Guides users through the process of filling a tub using the bath fill function.
Instructions for muting controller beeps and setting the clock.
Details on cleaning the appliance, vent system, and motors.
Guidance on inspecting flame patterns and managing snow accumulation.
Lists error codes and their corresponding faults and remedies.
Continues the list of error codes, faults, and remedies.
Addresses common issues like no hot water, cold water, or fan operation.
How to view operating info and water quality standards.
Detailed steps for flushing the heat exchanger to resolve scale build-up.
Information on installer qualifications, codes, and general installation precautions.
Guidance on selecting the installation location and ensuring proper airflow.
Specifies minimum clearances from the appliance and vent terminal.
Instructions for securely attaching the water heater to the wall.
Details electrical power requirements and control switch functions.
Covers gas valve, type, pressure, leak testing, and line sizing.
Provides procedures and tables for sizing natural gas and propane pipes.
Instructions for installing isolation valves and the pressure relief valve.
Covers piping materials, toxic chemicals, and nonpotable systems.
Details on electrical heating, auto drain valves, and pipe protection.
Steps for manually draining the unit and returning it to service.
Advice on preventing freezing and what to do if pipes freeze.
Diagram illustrating recommended piping for basic installation.
Diagram showing recommended piping for circulation systems.
Rules for direct vent systems, component compatibility, and airflow.
Information on condensate traps, drain lines, and potential blockages.
Guide to determining maximum vent length based on elbows.
Lists tested vent products and manufacturer contact information.
Table and diagram showing required clearances for vent terminals.
Diagram illustrating clearances specific to RC80i and RC98i models.
Diagram illustrating clearances specific to RC80e and RC98e models.
Illustrates horizontal and vertical flue termination methods.
Details on using accessories to connect multiple water heaters.
Guidance on setting switches for different altitudes.
Step-by-step instructions for high altitude installation settings.
Recommendations for controller placement and system configurations.
Information on cable gauge, length, and wiring methods.
Step-by-step instructions for mounting the temperature controller.
Essential safety precautions and gas leak procedures.
Step-by-step guide for starting and operating the water heater.
Graphs showing pressure drop and outlet flow data.
Guidelines for space heating applications and temperature settings.
Recommendations for pump selection and iron component usage.
Diagrams and tables detailing product dimensions.
Visual representation of the water heater's electrical system logic.
Specific requirements for CO detectors, signage, and inspection in MA.
Details on warranty registration, coverage periods, and terms.
How to obtain service and a list of non-covered issues.
