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Combined Alarms with Multiple Sensors
Combined smoke alarms combine multiple sensor types (heat detection, optical smoke detection and carbon monoxide detection) creating rapid acting and fail-proof multi-sensor smoke detectors to help reduce false alarms whilst giving the earliest warning of a fire. Combining more than one detection type within a single unit can reduce the amount of units needed to be installed. However, if you are looking for an alarm for the kitchen a dedicated heat alarm (only) should be used.
Our range of combined alarms includes options suitable for the previous Building Regulations' requirement of Grade F (battery powered) or Grade D (mains powered) installations, but also comply with the 2019 update which splits them into Grade F1, Grade F2, Grade D1, and Grade D2 according to the latest BS 5839 Part 6. Please see our guide to BS 5839-6: 2019 for more information on Grades of alarm.
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Combination Carbon Monoxide and Smoke Alarm 10 Yr Warranty - Kidde 10SCO
- FREE delivery
- Product Lifespan: 10 years
- Battery: 9V alkaline battery (included)
- Warranty: 10 year warranty
- Voice Alarm and Sounder: Different Warning Messages for Smoke and CO
- Kitemarked to BS EN 50291-1:2010 (CO alarm for domestic use)
- Kitemarked to BS EN 14604:2005 (smoke alarm)
- Suitable for ceiling installation
152 Customer Reviews
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| 1 unit |
£18.95 inc VAT £15.79 ex VAT |
|---|---|
| 2+ units |
£18.11 inc VAT £15.09 ex VAT |
| 5+ units |
£17.87 inc VAT £14.89 ex VAT |
10 Year Longlife Battery Combination Carbon Monoxide and Smoke Alarm - Kidde WFPCO
- FREE delivery
- Product Lifespan: 10 years
- Battery: Built-in, lasts the lifetime of your alarm - GUARANTEED
- Warranty: 10 year warranty
- Detects both carbon monoxide and smoke hazards
- Certified to EN 14604: 2005
- Certified to EN 50291-1: 2010 (domestic use)
- Suitable for ceiling installation
9 Customer Reviews
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| 1 unit |
£23.70 inc VAT £19.75 ex VAT |
|---|---|
| 2+ units |
£23.46 inc VAT £19.55 ex VAT |
| 5+ units |
£23.10 inc VAT £19.25 ex VAT |
Carbon Monoxide and Smoke Combination Alarm - First Alert SCO5UK
- Product Lifespan: 7 years
- Battery: 2 x AA alkaline battery (included)
- Warranty: 7 year warranty
- Test and hush button feature
- Combined optical smoke and CO alarm
- Certified to BS EN 14604:2005 (smoke)
- Certified to BS EN 50291-1:2010 (carbon monoxide)
- Suitable for ceiling installation
18 Customer Reviews
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| 1 unit |
£20.39 inc VAT £16.99 ex VAT |
|---|---|
| 2+ units |
£20.03 inc VAT £16.69 ex VAT |
| 5+ units |
£19.55 inc VAT £16.29 ex VAT |
Battery Thermally Enhanced Optical Smoke Alarm (Thermoptek) - FireAngel ST-625
- Battery: AA alkaline batteries (included)
- Warranty: 5 year warranty
- Test, hush and Sleep Easy™ feature
- Combined smoke and heat alarm (Thermoptek)
- Suitable for BS 5839-6: 2019 (Grade F2 installations)
- Kitemarked to 14604: 2005
96 Customer Reviews
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| 1 unit |
£9.83 inc VAT £8.19 ex VAT |
|---|---|
| 2+ units |
£9.59 inc VAT £7.99 ex VAT |
| 5+ units |
£9.47 inc VAT £7.89 ex VAT |
10 Year Thermally Enhanced Optical Smoke Alarm (Thermoptek) - FireAngel ST-622
- FREE delivery
- Battery: Built-in, lasts the lifetime of your alarm - GUARANTEED
- Warranty: 5 year warranty
- Combined smoke and heat alarm (Thermoptek)
- Test, hush and Sleep Easy™ feature
- Optical sensor less prone to false alarms
- Suitable for BS 5839-6: 2019 (Grade F1 installations)
- Kitemarked to BS EN 14604:2005
449 Customer Reviews
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| 1 unit |
£12.90 inc VAT £10.75 ex VAT |
|---|---|
| 2+ units |
£12.42 inc VAT £10.35 ex VAT |
| 5+ units |
£12.18 inc VAT £10.15 ex VAT |
10 Year Longlife Battery Combination Optical Smoke and CO Alarm - FireAngel SCB10-R
- Product Lifespan: 10 years
- Battery: Built-in, lasts the life time of your product - GUARANTEED
- Warranty: 5 Year Warranty
- Combined optical smoke and carbon monoxide detector
- Ideal for hallways, bedrooms and living areas
- Sleep Easy™ function
- Kitemarked to EN 14604:2005 (smoke detection)
- Kitemarked to EN 50291-1 (carbon monoxide detection)
- Suitable for ceiling installation
2 Customer Reviews
View Product
| 1 unit |
£32.22 inc VAT £26.85 ex VAT |
|---|---|
| 2+ units |
£31.98 inc VAT £26.65 ex VAT |
| 5+ units |
£31.86 inc VAT £26.55 ex VAT |
Mains Powered Combined Optical Smoke and Heat Alarm with Self-Charging 10 Year Back-up Battery - Aico Ei3024
- Power: 230V mains powered with lifetime back-up battery
- Backup Battery: Self-charging battery
- Warranty: 5 year warranty
- Multi-sensor alarm containing both an optical and heat sensor
- Hardwire interlink with up to 12 compatible devices
- Extract real time data to your smart phone
- Kitemarked to BS EN 14604: 2005 (smoke)
- Kitemarked to BS 5446-2: 2003 (heat)
- Also suitable for the 2022 Scottish legislation
Mains Radio-Interlinked Combined Smoke and Heat Alarm with Self-Charging 10 Year Back-up Battery - Aico Ei3024RF
- Power: 230V mains powered with back-up battery
- Backup Battery: Self-charging battery
- Warranty: 5 year warranty
- Combined alarm: both an optical smoke, and heat sensor
- Hybrid interlinking with up to 12 compatible devices
- AudioLINK - extract real time data to your smart phone
- Kitemarked to BS EN 14604: 2005 (smoke)
- Kitemarked to BS 5446-2: 2003 (heat)
- Also suitable for the 2022 Scottish legislation
Replacement for FireAngel ST-620 10 Year Smoke Alarm
- FREE delivery
- Battery: Built-in, lasts the lifetime of your alarm - GUARANTEED
- Warranty: 5 year warranty
- Combined smoke and heat alarm (Thermoptek)
- Test and hush button feature
- Suitable for BS 5839-6: 2019 Grade F1 installations
- Kitemarked to BS EN 14604: 2005
Mains Radio-Interlinked Combined Optical Smoke & Heat Alarm with Self-Charging 10 Year Back-up - Aico Ei2110eRF
- Power: 230V mains powered with back-up battery
- Backup Battery: Self-charging lithium battery
- Warranty: 5 year warranty
- Wirelessly interlinks with up to 12 compatible alarms
- Optical and heat in one alarm for optimum protection
- Suitable for BS 5839-6: 2019 Grade D1
- Kitemarked to BS EN 14604: 2005
- Also suitable for the 2022 Scottish legislation
Mains Thermally Enhanced Optical Smoke Alarm (Thermoptek) with Sealed Longlife Back-up Battery - FireAngel Pro ST-230
- Power: 230V mains powered with lithium back-up battery
- Lifetime Backup Battery: Built-in, lasts the lifetime of your alarm
- Warranty: 5 year warranty
- Combined smoke and heat alarm (Thermoptek)
- Thermally ehnanced sensor less prone to false alarms
- Interlinks with up to 30 units
- Suitable for BS 5839-6: 2019 Grade D1 installations
- Kitemarked to BS EN 14604: 2005
- Also suitable for the 2022 Scottish legislation
Mains Powered Combined Smoke and Heat Alarm with Self-Charging 10 Year Back-up Battery - Aico Ei2110e
- Power: 230V mains powered with back-up battery
- Backup Battery: Self-charging lithium battery
- Warranty: 5 year warranty
- Optical and heat sensors in one alarm for optimum protection
- Interlinks via cable with up to 12 alarms
- Suitable for BS 5839-6: 2019 Grade D1
- Kitemarked to BS EN 14604: 2005
- Also suitable for the 2022 Scottish legislation
Combined Alarms with Multiple Sensors
Combined Alarms with Multiple Sensors
Combined alarms are available in a range of configurations, such as optical smoke detectors with thermal enhancements and smoke alarms with carbon monoxide detection. Combination alarms are also available in battery powered and mains powered variants, with radio-interlink technology and even smart capabilities (Nest Protect).
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