This Iitem must be fitted by a competent person
Helio Remote Natural Gas Sensor. 4-20mA. For use with Helio control panel 4CP D3R 230. Non ATEX. It is recommended that Methane(Natural Gas) sensors are mounted at 300mm below ceiling height and a maximum distance of 5m from gas source. Dimensions; W80 x H82 x D56mm.