240
• mains powered with sealed-in, rechargeable lithium cells for back-up preventing tenant access
• electrochemical sensor sampling air every 15 seconds - safer than others sampling every 60 seconds
• unique Smart Interconnect allowing Kidde Fyrnetics hard-wired smoke, heat or CO alarms to be linked on one wiring network
• neat circular design can be ceiling or wall mounted product life of 7 years from initial power up and full guarantee for 6 years
• quickly connects with snap-on harness and unit locks in place by default
• easy to use test/reset buttons
• relay pattress option allows operation of other devices
• separate easy to follow user and installer manuals included
Extra Features of the 423D/8hir:
• digital display showing the parts per million (ppm) when CO is detected, calculating the ppm and length of exposure time
• peak recall feature can be used to call up the highest level (above 30 ppm) recorded since the button was last pressed
• memory recall feature enables users to verify if there has been a CO incident in their absence which had ceased before their return
• display indicates "Fire" if triggered by interconnected smoke/heat alarm, or "CO" if triggered by interconnected CO alarm
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