





FireAngel FS1226-T Thermistek White RF Enabled Battery Powered Heat Alarm With Test, Hush & 10 Year Lithium Battery 3V DC
FS1226-T
Thermistek White RF Enabled Battery Powered Heat Alarm – 10-Year Lithium Battery, Test & Hush Function
The Thermistek RF-enabled heat alarm is a reliable, battery-powered solution designed to detect rapid temperature increases in kitchens, garages, and other heat-prone environments. Featuring wireless interlinking, a built-in 10-year lithium battery, and user-friendly controls, it ensures long-term safety and simple operation without the need for mains wiring.
- RF Enabled Wireless Interlink: Allows seamless connection with other RF-enabled alarms for whole-home coverage without cables.
- Heat Detection Technology: Detects temperature rise instead of smoke – ideal for areas where smoke alarms may cause false alerts, such as kitchens.
- 10-Year Sealed Lithium Battery: Maintenance-free operation with no need for battery replacements for the life of the alarm.
- Test & Hush Function: Simple button allows regular testing and temporary silencing of nuisance alarms.
- Battery Powered Operation: No mains power required – quick and easy installation anywhere it’s needed.
Technical Specification
- Power Supply: 3V DC lithium battery (sealed, 10-year life)
- Detection Type: Heat (rate-of-rise)
- Wireless Interlink: RF enabled
- Control Features: Test and Hush button
- Mounting: Ceiling or wall surface mount
- Colour: White
✅ Protect heat-prone areas with the Thermistek RF heat alarm – reliable, wire-free safety with a 10-year battery and hassle-free setup!
Mounting Method | Surface |
Ean Code | 816317005474 |
Range | FireAngel Thermistek |
Product | Alarm |
Type | Fixed Heat |
Colour | White |
Voltage | 3V |
Warranty | 5 Years |
Unit Weight | 0.143 kg |
Mounting | Ceiling |
Material | ABS |
Width | 132 mm |
Depth | 60 mm |
Standards | BS 5446-2:2003 |
Ce Approved | N |
Biwire | N |
C/w Battery Backup | Y |
Backup Battery Type | Lithium |
Wiring Method | Battery Powered |
Voltage Type | DC |
Detection Type | Rate of Rise Heat |
Battery Life Span | 10 |
C/w Batteries | Y |
C/w Call Points | N |
Addressable | N |
Minimum Operating Temperature | 4 Degrees C |
Maximum Operating Temperature | 38 Degrees C |
Battery Type | Lithium |
Rated Supply Voltage | 3 V |
Power Supply Mains | 3 V |
Maximum Number Of Detectors | 50 |
Delivery Costs
Our standard delivery charge to UK mainland addresses is £5.90 ex-VAT.
Take advantage of FREE* Delivery when you spend over £100 (per order) ex-VAT.
*Delivery charges to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes are £12.00 ex-VAT.
Solar Panels, Batteries and Inverters
Due to their size all solar panels, batteries and inverters orders up to 50 qty will be despatched on a pallet and incur a £120** ex-VAT delivery charge.
**£180 ex VAT to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes.
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