Froling s4 turbo after 5 years
After 5 years i decided to made this video how the boiler looks like now. I must say i dont do a lot of this kind of cleaning cos the ash protect the combustion chamber. Only the cleaning of ash for secondary air is cleaned about 3 times on a season. Im must must i didnt have any problems so far working like a charm.

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Guardiamo assieme l'interno di una caldaia a legna a fiamma inversa Froling s4 Turbo

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Froling s4 turbo

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ETA Stückholzkessel SH anheizen

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