Skip to content
Need Help
Screwfix Logo
Activating the button will move focus to the expanded search input field
StoresSelect a store
No items in basketCheckout
CLICK & COLLECT in as little as 1 minute
CLICK & COLLECT in as little as 1 minuteNEXT DAY DELIVERY 7 days per week936 STORES NATIONWIDE find your local storeDELIVERY IN AS LITTLE AS 20 MINUTES with Sprint
THIS WEEK'S TOP DEALS. SHOP NOW

Shop by type...

Smoke Alarms

Smoke Alarms

Heat Alarms

Heat Alarms

Carbon Monoxide Detectors

CO Alarms

Interlinked CO, Heat & Fire Alarms

Interlinked CO, Heat & Fire Alarms

Alarm Legislation Changes

Alarm Legislation Changes

Shop by type...

Smoke Alarms

Smoke Alarms

Heat Alarms

Heat Alarms

Carbon Monoxide Detectors

CO Alarms

Interlinked CO, Heat & Fire Alarms

Interlinked CO, Heat & Fire Alarms

Alarm Legislation Changes

Alarm Legislation Changes

Results per page:

FireAngel CW1-PF-T Mains Interlinked Carbon Monoxide Alarm (379VU)

FireAngel CW1-PF-T Mains Interlinked Carbon Monoxide Alarm
Product rating 4 stars out of 5
Product rating 4 stars out of 5
 
  • Interlinked when Hardwired
  • 230V AC Mains-Powered with Battery Backup
  • Replaceable Battery (Zinc Carbon)
£49.99Inc Vat
Check stock in your local store
Fulfilment options

Hispec HSA/BP/10 Battery Standalone Optical Smoke Alarm with Data Extraction (242AM)

Hispec HSA/BP/10 Battery Standalone Optical Smoke Alarm with Data Extraction
Product rating 4.9 stars out of 5
Product rating 4.9 stars out of 5
 
  • Standalone
  • 10-Year Sealed Tamperproof Lithium Integrated Battery
  • 85dB Alarm at 3m
£14.99Inc Vat
Check stock in your local store
Fulfilment options

Smith & Locke KD-129H Battery Standalone Smoke Alarms 2 Pack (620CG)

Smith & Locke KD-129H Battery Standalone Smoke Alarms 2 Pack
Low Price Checked
Product rating 4.6 stars out of 5
Product rating 4.6 stars out of 5
 
  • Standalone
  • 9V Battery Supplied
  • 85dBA Alarm at 3m
£12.99Inc Vat
Check stock in your local store
Fulfilment options

Hispec Fast Fix CO/FF Mains Interlinked Carbon Monoxide Alarm (225RG)

Hispec Fast Fix CO/FF Mains Interlinked Carbon Monoxide Alarm
Great Value Product
Product rating 4.7 stars out of 5
Product rating 4.7 stars out of 5
 
  • Interlinked when Hardwired
  • 220 - 240V AC/DC Mains-Powered with Battery Backup
  • 9V Battery Supplied
£36.99Inc Vat
Check stock in your local store
Fulfilment options

Firechief FSM10W Mains Interlinked Smoke Alarm (133YC)

Firechief FSM10W Mains Interlinked Smoke Alarm
Summer Deals
Product rating 5 stars out of 5
Product rating 5 stars out of 5
 
  • Interlinked via Wireless
  • 10-Year Sealed Tamperproof Lithium Integrated Battery
  • 85dBA Alarm at 3m
Save15%
£33.99Inc Vat
Was £39.99
Check stock in your local store
Fulfilment options

Hispec HSA/PH/10 Battery Standalone Multi Sensor Smoke & Heat Alarm (822AM)

Hispec HSA/PH/10 Battery Standalone Multi Sensor Smoke & Heat Alarm
Product rating 4.8 stars out of 5
Product rating 4.8 stars out of 5
 
  • Standalone
  • 10-Year Sealed Tamperproof Lithium Integrated Battery
  • 85dB Alarm at 3m
£24.99Inc Vat
Check stock in your local store
Fulfilment options

Hispec BC/RF10-PRO Battery Interlinked RF Carbon Monoxide Alarm (326RG)

Hispec BC/RF10-PRO Battery Interlinked RF Carbon Monoxide Alarm
Great Value Product
Product rating 5 stars out of 5
Product rating 5 stars out of 5
 
  • Interlinked via Wireless
  • 10-Year Sealed Tamperproof Lithium Integrated Battery
  • 85dB Alarm at 3m
£39.99Inc Vat
Check stock in your local store
Fulfilment options

Hispec Fast Fix HE/FF10 Mains Interlinked Heat Alarm (232RG)

Hispec Fast Fix HE/FF10 Mains Interlinked Heat Alarm
Product rating 4.8 stars out of 5
Product rating 4.8 stars out of 5
 
  • Interlinked when Hardwired
  • 220-240V AC/DC Mains-Powered with Battery Backup
  • 10-Year Sealed Tamperproof Lithium Integrated Battery
£32.99Inc Vat
Check stock in your local store
Fulfilment options

Aico Ei450 Smoke & CO Alarm Controller (378HR)

Aico Ei450 Smoke & CO Alarm Controller
Product rating 4.5 stars out of 5
Product rating 4.5 stars out of 5
 
  • 10-Year Sealed Tamperproof Lithium Integrated Battery
  • For Use with 12 Alarms
  • Test, Locate & Silence Button
£64.99Inc Vat
Check stock in your local store
Fulfilment options

Hispec HSSA/HCO/FF10 Mains Interlinked Fast Fix Interlinked Multi Sensor Heat & Carbon Monoxide Alarm (789AM)

Hispec HSSA/HCO/FF10 Mains Interlinked Fast Fix Interlinked Multi Sensor Heat & Carbon Monoxide Alarm
Product rating 4.8 stars out of 5
Product rating 4.8 stars out of 5
 
  • Interlinked when Hardwired
  • 230V AC Mains-Powered with Battery Backup
  • 10-Year Sealed Tamperproof Lithium Integrated Battery
£70.99Inc Vat
Check stock in your local store
Fulfilment options

Kidde K10LLCO Battery Standalone 10-Year CO Alarm (733PH)

Kidde K10LLCO Battery Standalone 10-Year CO Alarm
Great Value Product
Product rating 4.5 stars out of 5
Product rating 4.5 stars out of 5
 
  • Standalone
  • 10-Year Sealed Tamperproof Lithium Integrated Battery
  • 85dBA Alarm at 3m
£27.49Inc Vat
Check stock in your local store
Fulfilment options

Hispec HSA/BC/10-TP Battery Standalone Carbon Monoxide Alarms with Safespec Data Extraction 2 Pack (874AM)

Hispec HSA/BC/10-TP Battery Standalone Carbon Monoxide Alarms with Safespec Data Extraction 2 Pack
Product rating 5 stars out of 5
Product rating 5 stars out of 5
 
  • Standalone
  • 10-Year Sealed Tamperproof Lithium Integrated Battery
  • 85dB Alarm at 3m
£44.98Inc Vat
Check stock in your local store
Fulfilment options

FireAngel Pro Connected FP1640W2-R Mains Interlinked Multi-Sensor Smart Smoke Alarm (769HR)

FireAngel Pro Connected FP1640W2-R Mains Interlinked Multi-Sensor Smart Smoke Alarm
Product rating 2.3 stars out of 5
Product rating 2.3 stars out of 5
 
  • Interlinked via Wireless or when Hardwired
  • 230V AC Mains-Powered with Battery Backup
  • 10-Year Sealed Tamperproof Lithium Integrated Battery
£79.98Inc Vat
Check stock in your local store
Fulfilment options

Hispec HSSA/PH/RF10-PRO Mains Interlinked Fast Fix Multi-Sensor Smoke & Heat Alarm With Radio Frequency (501AM)

Hispec HSSA/PH/RF10-PRO Mains Interlinked Fast Fix Multi-Sensor Smoke & Heat Alarm With Radio Frequency
Product rating 5 stars out of 5
Product rating 5 stars out of 5
 
  • Interlinked via Wireless or when Hardwired
  • 10-Year Sealed Tamperproof Lithium Integrated Battery
  • 85dB Alarm at 3m
£77.99Inc Vat
Check stock in your local store
Fulfilment options

FireAngel FA3820-T2 Battery Standalone Carbon Monoxide Alarms 2 Pack (124PH)

FireAngel FA3820-T2 Battery Standalone Carbon Monoxide Alarms 2 Pack
Product rating 2.6 stars out of 5
Product rating 2.6 stars out of 5
 
  • Standalone
  • 10-Year Sealed Tamperproof Lithium Integrated Battery
  • 85dBA Alarm at 3m
£49.98Inc Vat
Check stock in your local store
Fulfilment options

FireAngel Mains Interlinked RF 10 Year Alarm Base (408CC)

FireAngel Mains Interlinked RF 10 Year Alarm Base
Product rating 2.3 stars out of 5
Product rating 2.3 stars out of 5
 
  • Interlinked via Wireless
  • 230V AC Mains-Powered with Battery Backup
  • 10-Year Sealed Tamperproof Lithium Integrated Battery
£42.99Inc Vat
Check stock in your local store
Fulfilment options

Hispec HSSA/HE/RF10-PRO Mains Interlinked Fast Fix Heat Alarm With Radio Frequency (806AM)

Hispec HSSA/HE/RF10-PRO Mains Interlinked Fast Fix Heat Alarm With Radio Frequency
Product rating 5 stars out of 5
Product rating 5 stars out of 5
 
  • Interlinked via Wireless or when Hardwired
  • 230V AC Mains-Powered with Battery Backup
  • 10-Year Sealed Tamperproof Lithium Integrated Battery
£62.99Inc Vat
Check stock in your local store
Fulfilment options

Hispec Fast Fix CO/FF10 Mains Interlinked Carbon Monoxide Alarm (560RG)

Hispec Fast Fix CO/FF10 Mains Interlinked Carbon Monoxide Alarm
Product rating 5 stars out of 5
Product rating 5 stars out of 5
 
  • Interlinked when Hardwired
  • 220 - 240V AC/DC Mains-Powered with Battery Backup
  • 10-Year Sealed Tamperproof Lithium Integrated Battery
£44.99Inc Vat
Check stock in your local store
Fulfilment options

Hispec HSSA/HCO/RF10-PRO Mains Interlinked Fast Fix Interlinked Multi Sensor Heat & Carbon Monoxide Alarm With Radio Frequency (885AM)

Hispec HSSA/HCO/RF10-PRO Mains Interlinked Fast Fix Interlinked Multi Sensor Heat & Carbon Monoxide Alarm With Radio Frequency
Product rating 5 stars out of 5
Product rating 5 stars out of 5
 
  • Interlinked via Wireless or when Hardwired
  • 230V AC Mains-Powered with Battery Backup
  • 10-Year Sealed Tamperproof Lithium Integrated Battery
£84.99Inc Vat
Check stock in your local store
Fulfilment options

Firechief FCB10W Battery Interlinked Carbon Monoxide Alarm (467YC)

Firechief FCB10W Battery Interlinked Carbon Monoxide Alarm
Summer Deals
Product rating 5 stars out of 5
Product rating 5 stars out of 5
 
  • Interlinked via Wireless
  • 10-Year Sealed Tamperproof Lithium Integrated Battery
  • 85dB Alarm at 3m
Save15%
£26.34Inc Vat
Was £30.99
Check stock in your local store
Fulfilment options
Results per page: