Controller and maintenance switch for chimney fan

To operate the Kutzner + Weber chimney fan: 5-step controller (2116140) or stepless speed controller with backlit knob (2002461) near the fireplace, or a wireless timer (2123243). The waterproof maintenance switch RSD-WS (2002460) goes at the fan and is required if the power cannot be cut safely in another way; the RSD-WSH holder (2000731) mounts it directly on the Diajekt. Lead time 3 to 4 weeks.