Rinnai is a well-established Japanese company that has been manufacturing innovative and reliable tankless water heaters for over 50 years. Their heaters are known for using less energy, lasting a long time, and having really advanced technology.  Here, we will delve into the world of Rinnai tankless water heaters, exploring their features, benefits, and troubleshooting tips & so we’ll also share how you can contact Rinnai and what customers think about their heaters.

Rinnai Error Codes, Reviews, Benefits, Features & Contact Details

How can someone contact Rinnai tech support?

Rinnai is dedicated to offering outstanding customer support to its valued users. You can reach their support team through phone, email, or online chat to get answers to your questions, help with troubleshooting, and technical support.

Rinnai Head Office103 International Drive. Peachtree City, GA 30269.
Rinnai Phone Number1-800-621-9419
Official Websitewww.rinnai.us
Rinnai Customer Service HoursMonday – Friday: 8am – 8pm EST
Rinnai Email Address[email protected]
For Filing a ComplaintVisit here
Submit a request to get a quoteVisit here
Rinnai Social Media PlatformsLinkedIn , Facebook , Twitter , YouTube

What are the Features of Rinnai Tankless Water Heaters?

The features of Rinnai tankless water heaters make them an attractive choice for both homes and businesses. Some standout features include:

  • Efficient Performance: Rinnai tankless water heaters work on demand, heating water only when necessary, resulting in impressive energy savings compared to traditional tank heaters.
  • Compact Design: These heaters are wall-mounted, perfect for places with limited space at home or in businesses, saving valuable room.
  • Advanced Technology: Rinnai tankless water heaters boast smart technologies like Smart-Circ™ Intelligent Recirculation™, ensuring quicker hot water delivery.
  • Built to Last: Crafted with top-notch materials and components, Rinnai tankless water heaters promise durability and long-term performance.
  • Wide Range of Models:  With various models available, Rinnai offers a wide selection to match diverse needs and budgets.

What are the benefits of Rinnai Tankless Water Heaters

The benefits of owning a Rinnai tankless water heater extend beyond energy savings and space efficiency. Here are a few benefits to note:

  • Cost Savings: By heating water only when needed, Rinnai tankless heaters can significantly slash your water heating expenses, providing long-term savings.
  • Continuous Hot Water: Enjoy an endless supply of hot water with Rinnai tankless heaters, ensuring no more cold showers or running out of hot water during busy times.
  • Environmentally Friendly: Rinnai tankless heaters are eco-friendlier than traditional tanks, thanks to their energy-efficient design.
  • Low Maintenance: With minimal upkeep required, Rinnai tankless heaters save both time and money on maintenance.

What are the Frequent Error Codes find in Rinnai Systems

Rinnai tankless water heaters come with self-diagnostic features that display error codes when there might be issues.  Some common error codes and what they mean:

Error CodePossible CauseSolution
LC or LC0-LC9Scale buildup in heat exchangerFlush the heat exchanger.
2No burner operation during freeze protection modeCheck for water flow restrictions in the circulating system.
3Power interruption during bath fillTurn off the power for 30 seconds and then turn it back on.
5Bypass valve damageReplace the bypass valve.
10Exhaust or air supply blockedCheck for obstructions in the exhaust or air intake.
11Ignition problemsCheck for debris in the gas burner.
12Flame failureCheck for gas leaks.
14Thermal fuseCheck for water flow restrictions or a clogged heat exchanger.
16Over temperatureCheck for restrictions in air flow around the unit and vent terminal.
32Outgoing Water Temperature Sensor FaultClean or replace the outgoing water temperature sensor.
33Heat Exchanger Outgoing Temperature Sensor FaultClean or replace the heat exchanger outgoing temperature sensor.
34Combustion Air Temperature Sensor FaultClean or replace the combustion air temperature sensor.
52Modulating Solenoid Valve Signal AbnormalReplace the modulating solenoid valve.
61Combustion Fan FailureReplace the combustion fan.
65Water Flow Control FaultCheck for water flow restrictions or a clogged heat exchanger.

If you encounter any error codes and do not feel comfortable troubleshooting them, it’sIt’s advisable to contact Rinnai customer support for assistance.

What are the prices of Rinnai Electric Tankless Water Heaters?

Rinnai tankless water heaters come in various sizes and models with different features, usually priced from $500 to $2,000.

RE180iN Non-Condensing Natural Gas Tankless Water Heater6.9 GPMIndoor Installation, 180,000 BTU$1,006.61
RL75IN Tankless Hot Water Heater7.5 GPMNatural Gas, Indoor Installation$878.45
RSC199IN Condensing Natural Gas Tankless Water Heater6.9 GPMIndoor Installation, 199,000 BTU$1,136.29
RUC198IN Condensing Natural Gas Tankless Water Heater6.9 GPMIndoor Installation, 198,000 BTU$1,102.35
Rinnai Electric Tankless Water Heaters

Please note that these prices are subject to change and may vary depending on the retailer.

What are the ratings of Rinnai Electric Tankless Water Heater according to the customer reviews?

Rinnai tankless water heaters have consistently garnered positive reviews from customers, earning an impressive average rating of 4.4 out of 5 stars across various online platforms.

Pros as per positive reviews

  • Energy efficiency
  • Durability
  • Reliability
  • Easy maintenance

Cons observed as per negative reviews

  • Limited flow rate
  • Requires specialized installation
  • May not be suitable for all climates


Rinnai tankless water heaters present an appealing option for homeowners and businesses looking for a trustworthy, energy-efficient, and space-conscious solution for their hot water requirements. Their combination of advanced technology, durable construction, and outstanding customer support makes investing in Rinnai tankless water heaters a lasting and rewarding investment.

Who Are We?

ContactForSupport is an online phone directory that covers a wide array of categories including HVAC. We offer efficient resources and their contact information with our 24/7 support. You can call us anytime, any day to get your concerns resolved.

Is Rinnai a good brand?

Rinnai hot water systems are crafted to last. With proper maintenance, they frequently deliver dependable performance for 15-20 years or even longer.

How to clear Rinnai error codes?

To clear Rinnai error codes, refer to the manual for reset instructions or seek assistance from a qualified technician.

Where is Rinnai’s Head Office located?

Rinnai’s Head Office is situated at 103 International Drive, Peachtree City, GA 30269.

What are Rinnai Customer Service Hours?

Rinnai’s customer service is available from Monday to Friday, between 8 am and 8 pm EST.

How do I contact Rinnai inquiries?

You can reach Rinnai’s customer service at 1-800-621-9419.

0 0 votes
Article Rating
Notify of
Inline Feedbacks
View all Complaints

©2024 All Rights Reserved.

Call Now +1-855-400-5201