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Rinnai Water Heater Repair & Installation in Los Angeles

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About Rinnai Water Heaters

Rinnai is a Japanese manufacturer and one of the oldest and most respected tankless water heater brands worldwide. Their V-Series (non-condensing) and RU-Series (condensing) are extremely common throughout Los Angeles. Rinnai units are known for reliability and longevity when properly maintained.

Type
Tankless
Origin
Japan
Coverage
All LA Area

Common Rinnai Problems We Fix

The Rinnai LC error code is a maintenance reminder indicating lime and scale have accumulated in the heat exchanger. In Los Angeles hard water, this code typically appears every 1–2 years. Flushing with a descaling solution restores efficiency and clears the code.

Rinnai code 11 means the burner failed to ignite. This can be caused by a gas supply issue, dirty igniter, or faulty flame sensor. We inspect the gas valve, igniter assembly, and flame rod.

Code 12 means the flame extinguished during operation. Common causes include gas pressure fluctuation, a dirty burner, or a failing gas valve. We test gas pressure and inspect the combustion assembly.

On condensing RU-Series units, code 25 indicates the condensate neutralizer needs replacement. This is a routine maintenance item we stock and replace .

Inconsistent hot water from a Rinnai is often caused by a dirty flow sensor or scale in the heat exchanger. We clean both and calibrate the temperature set point.

Rinnai Models We Service

V53e, V65e, V75e, RU130e, RU160e, RU180e, RU199e, RL75e, RSC199eN

Don't see your specific model? We service all current and most discontinued Rinnai models. Call us and we'll confirm parts availability before dispatching.

Frequently Asked Questions

The Rinnai LC code is a scale buildup maintenance reminder, not a fault. It means the heat exchanger needs descaling due to mineral deposits from hard water. In Los Angeles, this is very common. We perform Rinnai descaling service throughout the area.

Most Rinnai error codes can be cleared by pressing the On/Off button to power cycle the unit. However, codes like LC (scale) and 11/12 (ignition/flame) indicate a real issue that will recur until the root cause is repaired.

With annual maintenance, Rinnai tankless units typically last 15–20 years. In Los Angeles, skipping annual descaling is the most common cause of premature heat exchanger failure, which can shorten lifespan to 8–10 years.

Yes. We are factory-trained on Rinnai and install all current V-Series and RU-Series models. We handle gas line connections, venting, and permit requirements as part of every installation.

Rinnai Service in Los Angeles

Factory-trained on Rinnai. Repair and installation throughout the San Fernando Valley and greater Los Angeles.

(855) 4-HOT-H20 Get an Estimate
Other Brands We Service
Navien Rinnai Noritz Bradford White A.O. Smith Rheem
Business Hours

Sun–Thu: 9:00 AM – 9:00 PM

Friday: 9:00 AM – 4:00 PM

Address

6442 Coldwater Canyon Ave Suite 121, North Hollywood, CA 91606

(855)4-HOT-H20 | 855-446-8420

service@simplewaterheater.com

Services

Tank Water Heater Installation Tank Water Heater Repair Tankless Installation Tankless Repair Water Filtration Water Softeners Salt-Free Alternatives Reverse Osmosis

Brands & Error Codes

Navien Rinnai Noritz Bradford White A.O. Smith Rheem Navien Error Codes Rinnai Error Codes Noritz Error Codes

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Sunday–Thursday: 9AM–9PM
Friday: 9AM–4PM

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