3-stage switch with light-light-emitting diode (in-wall)
Light-emitting diode as indicator for filter maintenance.
Position 1: Minimum ventilation, e.g. in the event of absence (holiday)
Position 2: Basic ventilation corresponds to normal mode when the occupant is present
Position 3: Intensive ventilation, e.g. for a party, visit (high consumption of oxygen)
On-wall mounted housing (item no. 8073023) also available in the shop as an accessory.
A connection cable to is required.
