16 🟡 Repair Required
Rinnai Error Code 16: Over-Temperature
⚠️ Your Rinnai water heater has detected an overheating condition, which may cause damage to the unit if not addressed.
How to Fix Rinnai Code 16
- Check if the water supply valves are fully open
- Inspect the water inlet and outlet for any signs of restriction or clogging
- If the issue persists, contact a professional HVAC technician
What Does Rinnai Error Code 16 Mean?
Error code 16 on your Rinnai water heater indicates that the temperature has exceeded the safe operating range. This could be due to a faulty temperature sensor, a problem with the heating element, or an issue with the water flow rate. It's important to address this issue promptly to prevent further damage to your water heater.
Common Causes of Rinnai Code 16
- Faulty temperature sensor
- Problem with the heating element
- Issue with the water flow rate
- Clogged or restricted water inlet
Applicable Rinnai Models
Need a Pro to Fix Rinnai Code 16?
A licensed HVAC technician can diagnose and fix this issue quickly.
Find a Licensed Tech Near You →Replacement Parts for Rinnai Tankless Water Heater Code 16
Temperature Sensor OEM: RIN-100145800
Heating Element OEM: RIN-100145700