Wireless differential pressure and temperature sensor BL220DDa+BL220TEMP set, surface-mounted

- Modular radio control system for exhaust air devices
- Enables various customised applications by combining different modules
- Control signals are transmitted in the house by radio - the complex cable routing to individual exhaust air systems (extractor bonnet, living room ventilation system, bathroom fan, etc.) does not need to be installed
- Existing installations can also be easily expanded
- High level of safety thanks to DiBt-certified modules
- Various radio transmitters such as window contact switches, temperature sensors and pressure monitors can be conveniently combined with various receivers such as built-in or adapter plug versions.
- Radio frequency: 868 MHz

• Together with the exhaust air safety switch BL220F or BL220Fi, forms a safety system for monitoring the differential pressure between the installation room of the fireplace and the Connecting pieces (chimney) or outside atmosphere during the simultaneous operation of a ventilation system such as an extractor bonnet, hob extractor or living room ventilation system with an open fireplace.
• Operating voltage: 230 V / 50 Hz
• Scope of delivery:
- Negative pressure monitor BL220DDa
- Wireless flue gas temperature sensor BL220TEMP