Detectors need removal and replacement for various reasons. The vast majority are fitted on bayonet mountings and the task can be done using specialist tools fitted to appropriate access poles. Using such specialist devices saves the time, cost, disruption and risk to safety that ladders, scaffolding or access gear represents.

Solo C3 – used in conjunction with Solo 330 / 332 dispensers – provides a safe way of achieving this with CO concentration levels high enough to activate an alarm, but low enough not to pose danger to user health.