Rinnai Water Heater Error Code 71: How to Fix It

Q: What causes Rinnai error code 71?

Error code 71 is caused by a faulty solenoid valve circuit, which can result from a defective solenoid valve, loose electrical connections, corroded wiring, or a malfunctioning control board that sends signals to the valve.

Q: Can I reset Rinnai error code 71?

You can try resetting by turning off power for 30 seconds and restarting, but error 71 typically indicates a hardware problem that won't clear until the underlying issue is fixed. The error will likely return immediately.

Q: Is it safe to use my water heater with error code 71?

No, do not use your water heater with error code 71. This error indicates a gas valve control problem, which is a safety issue. The unit will not operate properly and could pose risks if gas flow isn't controlled correctly.

Q: How much does it cost to fix Rinnai error code 71?

Professional repair costs typically range from $200-500, depending on whether you need a new solenoid valve ($50-150), control board ($200-300), or just wiring repairs. DIY parts replacement can cost $50-200 if you're comfortable with gas appliance work.

Q: How long do Rinnai solenoid valves last?

Rinnai solenoid valves typically last 8-15 years with proper maintenance. Lifespan can be shortened by hard water, electrical surges, or frequent on/off cycling. Regular maintenance and water quality improvement can extend valve life.

Abstract

Error code 71 on your Rinnai water heater indicates a solenoid valve circuit fault, which means there's a problem with the electrical connection or the solenoid valve that controls gas flow. This is a serious safety issue that prevents your water heater from operating properly and requires immediate attention.