Mains Powered Heat Alarm with Back-Up Battery - Kidde Firex Sentry KF31
The Kidde KF31 and KF31R are mains-powered heat alarms designed for reliable fire detection in kitchens, garages, and other high-risk areas, combining a 230V AC supply with either alkaline or self-charging lithium battery backup for continuous protection, along with a Quick Fit base and interlink capability for full-property coverage.
- 230V mains-powered with either alkaline or self-charging lithium battery backup
- Ideal for installation in kitchens and garages, featuring a thermistor heat sensor
- Heat alarms reduce the number of false alarms from cooking fumes and dust
- Suitable for installations complying to BS 5839-6: 2019 Grade D1 (lithium) or Grade D2 (alkaline)
- 10 year warranty
- Interconnectable with up to 23 other Kidde/Firex alarms, with Quick-Fit base
- Kitemarked to BS 5446-2: 2003
- CE and UKCA marked
- Featuring a LED display, alarm memory function, and a tamper-resistant design
- Loud 85dB alarm at 3 metres
- Test/Hush button with low battery warning chirp – can be silenced for 8 hours
- Supplied with free dust cover and fixings: 2 x screws and 2 x rawl plugs
Customer Reviews
FAQs
Technical Data
Datasheets
Customer Reviews (0)
No reviews have been written for this product yet.
If you have purchased this product from us and would like to write a review about it please complete the product review form. Please Note: to ensure the accuracy of our reviews you will need to provide a valid order number to leave a review.
Review this product nowTechnical Data
| Product Code | KEKF31 |
|---|---|
| Brand | Kidde |
| Manufacturer's Part Number | KF31 |
| Approvals & Markings | CE Marked |
| UKCA Marked | |
| Back-Up Battery Type | Alkaline |
| British Standard Grade | Grade D2: Mains Powered (replaceable backup) |
| Colour | White |
| Compatible Products | Kidde Firex Alarms |
| Compliance | BS 5446-2: 2003 |
| BS 5839-6 | |
| Connection | Wired |
| Fixing Options | Screws (included) |
| Installation Position | Ceiling |
| Wall | |
| Local Legislation | Scottish Legislation (2022) |
| Welsh Legislation (2022) | |
| Material | Plastic |
| Maximum Number of Linked Devices | 24 Devices |
| Operating Temperature | -10°C To +40°C |
| Power Type | Mains Powered (230V) |
| Recyclable | Yes - Valpak's WEEE Distributor Take-back Scheme |
| Relative Humidity | Up To 93% |
| Sensor Type | Heat |
| Sound Level | 85dB |
| Storage Temperature | -20°C To +60°C |
| Warning Type | Audible - Alarm Sounder |
| Warranty | 10 Years |
| Dimensions (Unit) |
|
| Weight | 281g |
