A flexible way to control your external heating source

• Perfect for selecting, using and synchronizing alternative heat sources
• 4 single switches and one CO connector for your accessories
• Energy saving
• The choice between 4 modes of operation:

– Internal: electrical heater only
– External: secondary heat source only
– Both: electrical heater & secondary heat source
– Smart: secondary heat source & electrical heater if needed (1°C below set point)

• Water must be heated by the external source after the spa pack

Compatible with the Gecko Aeware Y series controllers.