S4 Monitor Board Upgrade

Upgrades Series 4 version 1 monitor from RS232 serial port to a USB port. This upgrade is required for your WaterRower to become compatible with the Bluetooth ComModule.

Please note that the S4 Monitor Board Upgrade is not compatible with WaterRower A1 Series and Performance Ergometer rowing machines. 

If converting from a WaterRower S3 to S4 Performance Monitor, please see S3 to S4 Monitor Upgrade Instructions here.

See more details on WaterRower indoor rowing machine monitor features here.