The Firex KF30LL long life heat alarm with lithium battery backup is provides protection for any kitchen (replaced the discontinued Kidde 4892). Smoke alarms and kitchens do not go well together so the heat detector is perfect as it will not go off with burnt toast and steam. This is also the best alarm for a garage as it won't be affected by fumes and dust.

Fully conforming to BS 5839-part 6 Grade D, it will interconnect to up to 23 other Firex or Kidde Slick mains alarms and fitting is very easy. This detector has a 6 year warranty which includes the battery along with a single hush and test button. The battery is included. Always have ionisation and/or optical alarms in the house, as well as heat alarms.