Our backward impellers 192x40R are now replaced by new generation E-wheel impellers.

Their blades are specially designed to:

• improve the ventilation efficiency and save energy
• improve the acoustic comfort

Please find below the replaced fans:

Ancien code article	Nouveau code article
B47-A1	U24-A2
B47-A2	U24-A7
C36-A3	U24-A9
K49-A4	U24-A3
L38-B2	U24-B7
N03-A2	U24-B8
H42-A0	U24-C3
N50-A6	U24-B9
C41-A4	U24-B0
N50-A0	U24-C0