Wisualarm DHI-HY-GC20D F1 Carbon Monoxide Alarm with 10 Year Sealed Battery Ideal for HVAC duct smoke

Ideal for HVAC duct smoke detection in:

The VPS-250-E5 variant is VdS certified and CE marked to the EN54-4 so is

5A PSU (Boxed)

Firehawk Mains Optical Smoke Alarm with Alkaline Battery Backup (FHN250BB)

Wisualarm DHI-HY-GC20D F1 Carbon Monoxide Alarm with 10 Year Sealed Battery Ideal for HVAC duct smokeWisualarm DHI HY GC20D F1 Carbon Monoxide Alarm with 10 Year Sealed Battery The Wisualarm DHI HY GC20D F1 Carbon Monoxide Alarm is a reliable standalone CO detector designed to provide continuous protection against dangerous carbon monoxide. Featuring a high performance electrochemical sensor, an easy to read LCD display and a built in high volume alarm, it delivers fast, accurate detection with excellent resistance to false alarms. Designed for