Kidde AC Hardwired Interconnect Smoke Detector Alarm with Hush | Model I12040
- Easy Installation - Front battery pull tab allows battery activation without removing alarm from mounting bracket. Large mounting base makes…
- Fewer Callbacks - One button design for easy operation and less confusion. Operates Hush and alarm test. Battery run down protection will sh…
- User-Friendly Features - Tamper resist locking feature deters alarm theft. Alarm memory flashes red LED indicating which unit was the initia…
- Interconnectable - Connect up to 24 devices (of which 18 can be initiating) including smoke, CO and heat alarms. See user’s guide for comple…
- Ionization Sensing Technology
Mubboo Value Score: 5.6/10
How it stacks up
Rated 4.6/5 — better than 78% of 37 Smoke Detectors we track. Budget-tier pricing at $39.99.
Head-to-Head vs Category Leader
| Kidde | Kidde (Leader) | |
|---|---|---|
| Price | $39.99 | $49.97 |
| Rating | 4.6/5 | 4.9/5 |
| Reviews | 814 | 18 |
| Mubboo Score | 5.6/10 | 5.3/10 |
The Kidde AC Hardwired Interconnect Smoke Detector is 20% cheaper but rated lower (4.6 vs 4.9).
Quick Specs
- Alarm
- Visual
- Color
- White
- Style
- Classic
- Unit Count
- 1.0 Count
- Item Weight
- 13.6 ounces
- Sensor Type
- Ionization, Photoelectric
- Manufacturer
- Kidde Safety
- Model Number
- 21026049
What reviewers say
Synthesized from 40 reviews · 100% verified purchases.
Test units upon arrival, as included batteries may be dead or drain quickly. Verify activation tab functions and note that sealed-battery models may not interconnect with other alarms.
Rating reliability
About Kidde
- 155 products in our database
- Average rating: 4.6/5 across all products
- Price range: $12.87 – $381.75
- Categories: Carbon Monoxide Detectors, Fire Extinguishers, Smoke Detectors
Other Smoke Detectors
Frequently Asked Questions
Is the Kidde Kidde AC Hardwired Interconnect Smoke Detector Alarm with Hush | worth buying in 2026?
It earns a Mubboo Score of 5.6/10, with a 4.6/5 rating from 814 reviews — better than 78% of Smoke Detectors we track.
How much does the Kidde Kidde AC Hardwired Interconnect Smoke De cost?
It is currently $39.99 — budget-tier pricing for Smoke Detectors.
How does it compare to the top-rated Smoke Detectors?
The Kidde AC Hardwired Interconnect Smoke Detector is 20% cheaper but rated lower (4.6 vs 4.9).
Sources & References
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