Fan (exhaust fan blower) for heating 7,822,865 Viessmann Vitopend 222 Vitopend 111:
- Vitopend 100 - 7176531; 7193245; 7199556
- Vitopend 111-W - 7164696; 7164697; 7438628; 7438630; 7441447; 7464486
- Vitopend 200 - 7176533; 7193085; 7196029; 7199553; 7199554; 7199555; 7199577; 7199578
- Vitopend 200-W - 7176525; 7176527; 7188472; 7188473; 7438020; 7438021
- Vitopend 222 - 7186936; 7186940; 7199561
- Vitopend 222-W - 7186934; 7246166; 7822865
