Mains 166 Optical Smoke Alarm + Lithium Battery - Discontinued

Please try Smoke Alarms Mains + Lithium Back Up for alternative products.

Mains 166 Optical Smoke Alarm + Lithium Battery5099383004267Ei166RC

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Lithium Battery Back Up
Ei166 Optical with Hush & Mounting Plate
Advanced suppression and calibration technology
for reduced nuisance alarms and correct smoke sensitivity

More responsive to slow smouldering fires
Large volume high performance optical chamber with proven extended life capability
Fine mesh insect resistant screen
  • Environmentally friendly - no special disposal requirements
  • A precision charging circuit ensures peak efficiency at all times
  • 6 month back-up even without mains power
  • Cells supplied fully charged providing 6 months initial standby capacity before mains powering
  • 10 year+ lithium cell back-up supply
  • Cells are soldered for reliable long term connection
  • Terminals are laser welded for reliability
  • Wide temperature range -20ºC to +60 ºC
  • No battery replacement requirement
  • Hush button for false alarm control on all models - optical, ionisation and heat
  • Separate mains and warning LEDs
  • Precision charging circuit
  • Low cell power warning
  • RadioLINK & Modifire system compatible
  • Easi-fit fixing system - reduces installation time and effort
  • Large, easily identifiable wiring connections
  • Multiple cable entries
  • Mini trunking removable access door
  • 5 amp relay mounting kit available
  • Automatic circuit test every 40 seconds
  • Multi-purpose fixings - for use on plasterboard, concrete or wood surfaces
  • Comprehensive 5 year guarantee


Installation / User Guide
  Order Code Description Price (ex VAT) Price (inc VAT) Quantity
product photo EI 166RC Mains 166 Optical Smoke Alarm + Lithium Battery