Key featuresFull details
- Optical smoke sensor with dust compensation and insect mesh
- Sealed 10-year lithium battery - no battery changes over the alarm life
- Optional RF-Link interconnection (requires ES1RF2), up to 28 devices
- Anti-tamper lock-in base
- 24-hour memory function and clear LED status indication
- Fault hush (faults can be silenced for 12 hours)
| Available to order | Qty | Delivery |
|---|---|---|
| Pre-order | 0 | Lead time 2 to 6 weeks |
Espire 10 Year Longlife Battery Optical Smoke Alarm (ES1SL)
£20.40
Genuine stockBrand new, boxed
1 year warrantyPlus statutory rights
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Product details
The Espire ES1SL is a battery-powered optical smoke alarm from ESP with a sealed, non-replaceable 10-year lithium battery. Certified to EN 14604, it is suitable for living areas, bedrooms, stairways and escape routes, and can be wirelessly interlinked with other Espire alarms by adding the ES1RF2 RF-Link module.
Key features
- Optical smoke sensor with dust compensation and insect mesh
- Sealed 10-year lithium battery - no battery changes over the alarm life
- Optional RF-Link interconnection (requires ES1RF2), up to 28 devices
- Anti-tamper lock-in base
- 24-hour memory function and clear LED status indication
- Fault hush (faults can be silenced for 12 hours)
- Grade F1 installation; 5-year product warranty
Specification
| Product code | ES1SL |
|---|---|
| Brand | Espire (ESP) |
| Sensor type | Optical smoke |
| Power | Non-replaceable 10-year lithium battery |
| Interconnect | RF-Link via ES1RF2 (no wired interconnect) |
| Installation grade | F1 |
| Material | UL94-V0 rated UV-stabilised ABS |
| Dimensions | 132mm diameter x 53mm |
| Approval | EN 14604:2005 + AC:2008 |




