25 🟡 Repair Required
Rinnai Error Code 25: Condensate Overflow
⚠️ Your Rinnai water heater is displaying error code 25, indicating a condensate overflow issue. This is not an immediate safety risk, but it could lead to water damage if not addressed.
How to Fix Rinnai Code 25
- Step 1: Check the condensate drain line for clogs. If it's clogged, try clearing it with a wet/dry vacuum or a plumbing snake.
- Step 2: If the drain line is clear, check the condensate neutralizer for any signs of damage or failure. If it's faulty, you'll need to replace it.
- Step 3: If neither of these solutions works, there might be a problem with your water supply. Call a professional plumber to diagnose and fix the issue.
What Does Rinnai Error Code 25 Mean?
Error code 25 on your Rinnai water heater means that the condensate neutralizer is overflowing. This could be due to a clogged drain line, a faulty neutralizer, or a problem with the water supply. The system has shut down to prevent further issues, and you'll need to troubleshoot and fix the problem before it can resume normal operation.
Common Causes of Rinnai Code 25
- Clogged condensate drain line
- Faulty condensate neutralizer
- Problem with water supply (too hard or acidic water)
Applicable Rinnai Models
Need a Pro to Fix Rinnai Code 25?
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Find a Licensed Tech Near You →Replacement Parts for Rinnai Tankless Water Heater Code 25
Condensate Neutralizer OEM: RIN-10072400
Condensate Drain Line