NOTE - Kidde have DISCONTINUED this product and replaced it with the Firex 4892. It is compatible but, if replacing a Kidde model, will need a new base (supplied for free with each one)The Kidde 323/9hi mains operated heat alarm with 10-year lithium battery backup is for any kitchen. 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. Fully conforming to BS5839-pt6 Grade D, it will interconnect with up to 23 other Kidde mains alarms and fitting is very easy. This detector has a huge 10-year warranty along with hush and test button. The battery is included. Always have ionisation and/or optical alarms in the house, as well.

 

Heat alarms are suitable for kitchens, garage and dusty rooms - a house should also have a combination of optical and ionisation

 

Do not use in in bedrooms, hallways or shower room