FKU – Simple, efficient and reliable.

You’re cost-conscious and ahead of your time. You want to heat independently and place great value on reliability and comfort. Then the FKU is the perfect heating solution to meet your needs.

Decades of experience in manufacturing natural draught boilers have been optimised and implemented in the FKU. The result is a particularly robust heating solution that offers convincing functions and efficiency – a sturdy boiler that lasts and lasts, with many benefits:


Proven, mature technology at the best price – therefore also ideal for use as a second boiler.
Large filling chamber for long burning duration.
Very simple operation and cleaning from the front.
Can be combined with a wide array of different solutions.







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