Kidde-Firex-Mains-Optical-KF20-Smoke-Alarm-Left-1x1

Interconnectable Optical Smoke Alarm with Back-up Battery

KF20
Location
Attic/loft, Bedrooms, Living Room, Hallway/Corridor
Sensor
Optical, circular lateral chamber with insect-resistant width slot entry portals and added bug screen mesh
Warranty
6 years
Battery
230V mains-powered with 9V Alkailine battery back-up
Battery Life
1-year (Back-up battery only)

Specifications

Model
Power Source
Sensors
Audio Alarm
Approvals / Certification-
Dimensions
Weight
Temperature Range
Storage and Transport
Humidity Range
Warranty
  • Interlink with up to 23 Firex hard-wired alarms – all alarms sound if danger is detected
  • Alarm memory – identifies source unit within interconnecting network
  • Combined Test/Hush button allows regular testing of alarm function and can be used to temporarily silence nuisance alarms,/li>
  • Auto reset after activation
  • Tamper-resistant locking device – prevents unauthorised removal without the use of a tool
  • Mains operation – 9V Alkaline back-up battery supplied as standard

Product Documentation

Comparison Chart

Model Number
Detection Type
Power Source
Battery Life (Minimum)
Never Change Battery
Interconnected Alarms
Voice Alerts
NCC Certified (for Motorhomes / Static Homes)
10-Year Warranty
KF20
Smoke
AC / Hard-wired
1-year (Back-up battery only)
Minus
Check
Minus
Minus
Minus
2030-DSR
Smoke
Battery
1-year
Minus
Minus
Minus
Minus
Minus
2030-DSR3
Smoke
Battery
3-years
Minus
Minus
Minus
Minus
Minus
DY29
Smoke
Battery
5-years
Minus
Minus
Minus
Check
Minus
10Y29
Smoke
Battery
10-years
Minus
Minus
Minus
Minus
Check
K2007
Smoke
Battery
10-years
Check
Minus
Minus
Check
Check
K3003
Heat
Battery
10-years
Check
Minus
Minus
Check
Check
KF20R
Smoke
AC / Hard-wired
10-years (Back-up battery only)
Check
Check
Minus
Check
Check
KF30
Heat
AC / Hard-wired
1-year (Back-up battery only)
Minus
Check
Minus
Minus
Minus
KF30R
Heat
AC / Hard-wired
10-years (Back-up battery only)
Check
Check
Minus
Check
Check