SENTRY
Interconnectable Sentry Mains Heat Alarm with Rechargeable Lithium Back‑Up
KF31RLocation
Kitchen, Garage, Loft (converted or unconverted)Sensor
Thermistor (heat detection)Warranty
10 years Power
230V AC mains with rechargeable battery back‑upBack-up battery
10-year rechargeable / Sealed LithiumAlarm Grade
Grade D1Specifications
| Model | |
| Power Source | |
| Sensors | |
| Audio Alarm | |
| Interconnection | |
| Approvals / Certification | |
| Dimensions | |
| Weight | |
| Temperature Range | |
| Storage and Transport | |
| Humidity Range | |
| Warranty |
- Fully compatible with existing Kidde FIREX hardwired systems
- Clear 4‑SKU Sentry range across Smoke and Heat, Grade D1 and D2
- Installer‑first design supports faster fitting and cleaner replacements
- Supported by full launch assets including datasheets, product imagery and sell‑in materials
Product Documentation
Specifications
| Model | |
| Power Source | |
| Sensors | |
| Audio Alarm | |
| Interconnection | |
| Approvals / Certification | |
| Dimensions | |
| Weight | |
| Temperature Range | |
| Storage and Transport | |
| Humidity Range | |
| Warranty |
Product Documentation
- Fully compatible with existing Kidde FIREX hardwired systems
- Clear 4‑SKU Sentry range across Smoke and Heat, Grade D1 and D2
- Installer‑first design supports faster fitting and cleaner replacements
- Supported by full launch assets including datasheets, product imagery and sell‑in materials
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
KF31R
Heat
AC / Hard-wired
Backup battery only
KF31R
Heat
AC / Hard-wired
Backup battery only
KF31
Heat
AC / Hard-wired
1-year (Back-up battery only)
KF30
Heat
AC / Hard-wired
1-year (Back-up battery only)
KF30R
Heat
AC / Hard-wired
Backup battery only