Rinnai is a leading global manufacturer of gas appliances, specializing in energy-efficient tankless water heaters, home heating systems, and commercial boilers.
Rinnai Corporation is a Japanese multinational company established in Nagoya, Japan, known globally for its high-performance gas appliances. With a strong presence in the United States, Australia, and New Zealand, Rinnai is a pioneer in tankless water heating technology, providing homeowners with endless hot water and energy savings. Their extensive product portfolio includes residential and commercial tankless water heaters, hybrid water heating systems, direct vent wall furnaces, and hydronic air handlers.
Rinnai products are renowned for their reliability, compact design, and advanced condensing technology. The company emphasizes safety and efficiency, requiring professional installation for most of its gas-fired units to ensure compliance with local codes and warranty standards. Whether for heating a single room or providing whole-home hot water, Rinnai offers engineered solutions designed to enhance comfort and convenience.
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Rinnai units display error codes to indicate specific faults. For example, Code 11 often indicates an ignition failure, while Code 12 may signal a flame failure. Refer to your specific model's service manual for a complete list of codes and troubleshooting steps.
Yes, all internally sited gas-fueled water heaters, including Rinnai tankless models, must have a properly installed flue system to manage combustion gases safely.
A flashing filter sign typically indicates that the air filter (on space heaters) or water inlet filter (on water heaters) is blocked with dust or debris and requires cleaning to prevent overheating.
Rinnai strongly recommends that all installation, servicing, and repair work be carried out by a licensed gasfitter or authorized service provider to ensure safety and maintain warranty coverage.