Zehnder CO2 C67, ComfoNET Controls - Connection Only, Includes Sensor, Combined Three Position Switch and Mounting Box AX3631 with a yearly running cost

with a yearly running cost of only ~£5

2 or Outside the unit comes pre-assembled and is easy to install in both new build or when replacing an existing fan

Svara features a humidistat which reacts to sharp changes in humidity

The adaptor is supplied with 4 spigot seals and fixing screws

Ideal for the long walks on large sites and inner city calls outs

Zehnder CO2 C67, ComfoNET Controls - Connection Only, Includes Sensor, Combined Three Position Switch and Mounting Box AX3631 with a yearly running costThe Zehnder CO2 sensor C67 is a remote CO2 sensor and combined three position switch designed to enable the user to manually select the desired ventilation systems flow rate based on the visual air quality indicator, or automatically adjust the unit relevant to the CO2 level. Key Benefits: Green, orange and red visual air quality indication light 3 separate ventilation flow rate options to temporarily select in 1 controller for manual 12hr override