Gælder for: Model 963.024/026 with code B1C (Electronic air-processing unit, low) except code B1E (Electronic air-processing unit, high) Model 963.024/026 with code B1D (Electronic air-processing unit, medium) except code B1E (Electronic air-processing unit, high) Model 963.424, 964.014/016/018/024/026/214/216/218/224/226/314/316/324/326/414/424/426 with code B1C (Electronic air-processing unit, low) Model 963.424, 964.014/016/018/024/026/214/216/218/224/226/314/316/324/326/414/424/426 with code B1D (Electronic air-