Navien NPE-240A with error 110: heat exchanger repair in Los Gatos
A repeat client contacted us reporting Error 110 on their Navien NPE-240A (NG) water heater. After a thorough diagnostic (diagnosis is free with repair), we confirmed that the heat exchanger needed replacement .

Navien NPE-240A (NG) Heat Exchanger Replacement and Repair
A repeat client contacted us reporting Error 110 on their Navien NPE-240A (NG) water heater. After a thorough diagnostic (diagnosis is free with repair), we confirmed that the heat exchanger needed replacement.
Scope of Work
- Heat exchanger replaced: warranty-covered parts used where available, other parts ordered separately
- Repair and labor performed efficiently, under $1000
- System fully tested after repair to ensure safe and reliable operation
Results
- Stable and efficient water heating
- System free of errors, optimal performance restored
- Professional repair using warranty and quality parts
Helpful Tip
Regular maintenance and diagnostics help identify problems early. Using original warranty parts where possible, combined with professional repair, extends system life and prevents costly breakdowns.
We always provide a tailored approach, ensuring quality repairs and long-term reliable solutions for every client.
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