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Annually have the appliance serviced, which must be documented in the warranty! Servicemen of the
local gas company must supervise the appliance every five years!
ATTENTION!
The boiler has got a flue-gas backflow sensor. When it starts operation the boiler stops automatically.
Restart can only be made by manual ignition of pilot flame.
Disabling, damaging and/or demounting of safety system are prohibited.
In case of repeated
failures a skilled serviceman must check the chimney.
