Natural Air External Sensor Board £63.46 You are hereHome Products Natural Air 180 Sensors Natural Air External Sensor Board Natural Air External Sensor Board £63.46 Natural Air External Sensor Board £63.46 Allows up to 7 humidity sensors Also allows 1 C02 Sensor and 1 Air Quality Sensor Also allows a smoke detector Also allows 2 volt free inputs (configurable inputs) × Overview Description Technical Specifications Description The Natural Air External Sensor Board allows for additional control options. Technical Specifications Product Identification Product Model NumberNAESB Warranty / GuaranteeNo Certification BEABNo CEYes Key Features Heat recovery & MEVYes Humidistat TypeNo IP RatingNo Max Air Volume (m3/h)No TimerNo