OptiClimate three-way valve 250mm is suitable for the OptiClimate 3500, 6000 PRO3 and PRO4.

This three-way valve for the OptiClimate 3500, 6000 PRO3 and PRO4 should be used within the Dual Room setup: only one OptiClimate will be required to cool two rooms. However, an additional temperature sensor is required which you can order here as well.