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Christopher NguyenAug 28, 2025
How to fix error E.04.15 on REMEHA Gas 220 Ace 160?
- JJason BarnesAug 28, 2025
If your REMEHA Boiler displays error code E.04.15, it indicates that the flue gas outlet is blocked. To resolve this, check that the flue gas outlet is not blocked and restart the boiler.