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OptiClimate 355mm three-way valve is suitable for the OptiClimate 10000, 15000 PRO3 and PRO4.
The three-way valve is used within the Dual Room System. Using the Dual Room System, only one OptiClimate will be required to cool two rooms. However, an additional temperature sensor is required. When used with the three-way valve, the night-time heating and dehumidifying function is cancelled.