PlumbingDiagnostics & Troubleshooting
Navien NPE 240A tankless water heater makes a random choking/gurgling noise with brown staining under the heat exchanger, unresolved after cleaning and descaling.
0
Opp. Score
56
Reports
1
Severity
4High
Trend
100%
rising
First Seen
Jun 7, 2026
Solutions (0)
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