Airflow RF Controller with CO2 sensor 990 320 642 Also featuring high/low temperature alarm

Also featuring high/low temperature alarm setting

No pouring and no refrigerant required for injection

Safe for use on Ammonia R717 systems

2 button RF Switch

-50 to +1000 °C

Airflow RF Controller with CO2 sensor 990 320 642 Also featuring high/low temperature alarmWireless controller with built in CO2 sensor, for use with AIROVENT RF MEV WH4H (No: 90001575) Wireless basic controller suitable for use with AIROVENT RF MEV WH4H (No: 90001575) central extract units. Enables manual three speed control for every day use, automatic control, where the central extract units built in humidity sensor or the CO2 sensor built into this controller adjusts airflows. There is also an away setting, for low flows when leaving