SF Detection Gas Detection Sensor Module for CO Detector

Replacement CO sensor module for the SF340E and SF340F hardwired carbon monoxide detectors
The sensor module is fully guaranteed for the whole of its 5 year operational life and will give an audible and visual indication when it requires replacing.
Includes integral replacement back up battery
Plug in module for easy replacement with no expensive re-wiring or main unit re-installation costs of the base SF340 unit.

The SF340E and SF340F series of hardwired carbon monoxide detectors require the sensor module to be replaced once every 5 years

Gas Detection: Carbon Monoxide Detection

Carbon Monoxide is a deadly toxic gas that has no smell and cannot be seen or tasted. Its presence is lethal causing death and injury, it can be caused by poorly installed or maintained heating appliances, chimneys, flues and gas fired cooking appliances.,Even low levels of CO can impair judgement and greatly increase risk of accidents and injury in motorists and machine operators. See "key characteristics" table for details of carbon monoxide level and their effects.