Mains Powered Heat Alarm with Back-Up Battery - Kidde Firex KF30
Providing 70% more energy efficiency than previous Firex models, the Kidde Firex KF30 and KF30R heat alarms are mains powered with interlinking capabilities. These hard wired units have battery back-up cells which allows the alarm to function for a short time during the event of a power outage. The heat alarms can be interlinked with other units from the series to create all round fire protection within the home and are ideal for kitchens and garages.
- 230V hard-wired heat alarm
- 9V alkaline or lithium back-up battery options
- Up to 70% more energy efficient than previous Firex models
- 6 year warranty
- A maximum of 24 units can be interlinked via signal cable
- Suitable for installations complying to Grade D1 (lithium) or Grade D2 (alkaline)
- Kitemarked to
- CE marked
- LED display
- Test/Hush button
- Low battery warning chirp – can be silenced for 8 hours
- Heat alarms reduce the number of false alarms from cooking fumes and dust
- The units are designed for installation in kitchens and garages
- Supplied with free dust cover (to protect unit temporarily if you carry out dusty work)
- Supplied with fixings: 2 x screws and 2 x rawl plugs
Please Note: The Kidde Firex KF30 (previously the Kidde 4899 / KF3) and KF30R (previously the Kidde 4892 / KF3R) are replacements for the Kidde 3239HI and Kidde 3239HILL can be interlinked however the new models cannot be used on the same base plates and use different connector blocks.
Customer Reviews (117)
Reviews by Real Customers
All of our product reviews are written by real customers that have purchased this product from us and are published without modification.
Reviewed by
K S
Published on
8th October 2022
Reviewed by
K S
Published on
8th October 2022
Easy fitting Perfect replacement
Reviewed by
K S
Published on
8th October 2022
Easy fitting Perfect replacement
Reviewed by
K S
Published on
8th October 2022
Easy fitting Perfect replacement
Reviewed by
K S
Published on
8th October 2022
Easy fitting Perfect replacement
Technical Data
| Product Code | KEKF30 |
|---|---|
| Brand | Kidde |
| Back-Up Battery Type | Alkaline |
| British Standard Grade | Grade D2: Mains Powered (replaceable backup) |
| Colour | White |
| Local Legislation | Northern Ireland Legislation (2024) |
| Scottish Legislation (2022) | |
| Welsh Legislation (2022) | |
| Approvals & Markings | CE Marked |
| Compliance | BS 5446-2: 2003 |
| BS 5839-6 | |
| Connection | Wired |
| Display | LED Indicators |
| Fixing Options | Screws (included) |
| Installation Position | Ceiling |
| Material | Plastic |
| Maximum Number of Linked Devices | 24 Devices |
| Operating Temperature | 0°C To +40°C |
| Positioning | Garages |
| Kitchens | |
| Unconverted Loft Spaces | |
| Power Type | Mains Powered (230V) |
| Product Range | Kidde Firex |
| Recyclable | Yes - Valpak's WEEE Distributor Take-back Scheme |
| Relative Humidity | Up To 93% |
| Sensor Type | Heat |
| Sound Level | 85dB |
| Suitability | Home |
| Warning Type | Audible - Alarm Sounder |
| Warranty | 6 Years |
| Dimensions (Unit) |
|
| Weight | 400g |
| Datasheets |
Interlink
Alarms from the Same Series
The table below shows all the units that can interlink with the Firex KF Series.
| Model Number | Type of Unit | Type of Interlink |
| KF10 | Ionisation Smoke Alarm | Hardwire interlink |
| KF10R | Ionisation Smoke Alarm with Rechargeable Lithium Cell | Hardwire interlink |
| KF20 | Optical Smoke Alarm | Hardwire interlink |
| KF20R | Optical Smoke Alarm with Rechargeable Lithium Cell | Hardwire interlink |
| KF30 | Heat Alarm | Hardwire interlink |
| KF30R | Heat Alarm with Rechargeable Lithium Cell | Hardwire interlink |
| KF1 | Ionisation Smoke Alarm | Hardwire interlink |
| KF1R | Ionisation Smoke Alarm with Rechargeable Lithium Cell | Hardwire interlink |
| KF2 | Optical Smoke Alarm | Hardwire interlink |
| KF2R | Optical Smoke Alarm with Rechargeable Lithium Cell | Hardwire interlink |
| KF3 | Heat Alarm | Hardwire interlink |
| KF3R | Heat Alarm with Rechargeable Lithium Cell | Hardwire interlink |
Carbon Monoxide Alarms
| Model Number | Type of Unit | Type of Interlink |
| 4MCO | CO Detector with Rechargeable Lithium Cell | Hardwire interlink |
| K4MCO | CO Detector with Rechargeable Lithium Cell | Hardwire interlink |
Compatible Alarms
| Model Number | Type of Unit | Type of Interlink |
| 1239HI | Ionisation Smoke Alarm with Alkaline Battery | Hardwire interlink |
| 1239HILL | Ionisation Smoke Alarm with Lithium Battery | Hardwire interlink |
| 2239HI | Optical Smoke Alarm with Alkaline Battery | Hardwire interlink |
| 2239HILL | Optical Smoke Alarm with Lithium Battery | Hardwire interlink |
| 3239HI | Heat Alarm with Alkaline Battery | Hardwire interlink |
| 3239HILL | Heat Alarm with Lithium Battery | Hardwire interlink |
| 4870 | Ionisation Smoke Alarm with Alkaline Battery | Hardwire interlink |
| 4881 | Ionisation Smoke Alarm with Lithium Battery | Hardwire interlink |
| 4973 | Optical Smoke Alarm with Alkaline Battery | Hardwire interlink |
| 4985 | Optical Smoke Alarm with Lithium Battery | Hardwire interlink |
| 4899 | Heat Alarm with Alkaline Battery | Hardwire interlink |
| 4892 | Heat Alarm with Lithium Battery | Hardwire interlink |
| I240C | Ionisation Smoke Alarm with Alkaline Battery | Hardwire interlink |
| PADC240 | Optical Smoke Alarm with Alkaline Battery | Hardwire interlink |
Easy fitting Perfect replacement
Applies to option(s): Alkaline Back-up Battery