Relay box Commercial is designed for control together with the control panels Elite and Pure and is suitable for sauna heaters Sense Commercial 16-20kW. There is connection in box for 1 lighting, 3pcs aux. If you have an Elite/Pure and relay box Commercial, you can also control Tylö's older heater models SK 6,6kW, 8kW and SD/SDK 10,7kW 16kW and 20kW. Support for Tylarium (sauna heater + 1 steam generator). Measure: 485x295x110 mm (BxHxD).