Contacting the manufacturer's after-sales service seems a good option.

The best thing to do is to contact our customer service directly at https://helpcenter.galaxus.ch/hc/de/requests/new. Your request can then be examined individually.

According to our product experts, for this rower you need a first degree heart rate kit and a belt that uses 5khz (not bluetooth). Heart rate kit (HSHRK) and a belt with 5Khz from Nautilus (8006265). Unfortunately, we do not have these items.

On the Viking, the structure that leads over the water tank is made of wood. On the Apollo it is made of metal

After a long search, I am not aware of any other apps. Since this device does not have BT and the connections are also rather antiquated (mini-USB?), I would think that there are no alternatives either. But I didn't care that much, the device is excellent for rowing, but those who value tracking and connectivity will probably be very disappointed.

A service employee from Trisport will come to your home and repair your equipment. Trisport repairs various brands of equipment, including Kettler. If they can't repair it, they'll replace the unit and you'll just have to reassemble the new unit. In my case, the old unit was returned unpacked by post.

is a warranty case. Water tank touches side wall. will make an assessment as soon as the case is closed.

The heart rate belt and the rowing machine have no connection. It seems that an additional Bluetooth receiver is needed for the rowing machine.

The rowing machine can be assembled in 20 minutes. It is VERY easy.

Yes, this is not a problem. It was also very relevant for me because I have a room for it, but it's not too big. If you are still interested, here is the link to the sales video! https://www.youtube.com/watch?v=rEj8uov5dCo