ResideoSKU: 1781393

Resideo BRK® CO511B Carbon Monoxide Detector Alarm

$54.37
In stock (42)

BRK® CO511B Wireless Carbon Monoxide Detector — UL2034 and NFPA 720 certified for residential and institutional use. Features electrochemical sensor, 85 dB alarm, and wireless interconnect (915 MHz) to alert across multiple units. Voice announces location and hazard. Operates on 2 AA batteries with mesh network reliability. Tamper-resistant design with wall or ceiling mounting. Includes anchors and screws. Ideal for apartments, hotels, dormitories, and multifamily buildings.

Shipping policy

Orders placed by 2:00pm EST will ship same day, except on holidays.

More Details

Product overview
  • BRK® wireless interconnect enabled alarm
  • Voice alarm with programmable location, programmable with up to eleven locations
  • RF interconnect reliable and secure radio frequency communication between alarms, 915 MHz frequency with 65000 security codes and 3 channel frequency hopping
  • Patented technology provides 360 deg of direct access to the smoke sensor
  • Perfect mount allows for easy alignment of alarm
  • Spread spectrum horn tone lower and varying frequency makes it easier for the elderly with normal aged related hearing loss to hear the horn
  • Alarm latch remembers which unit initiated an alarm, low battery latch to visually identifies unit in low battery condition
  • End of life signal provides audible notification alarms needs to be replaced
  • 2-way communication format that sends, receives and re-sends the alarm signals providing a more reliable network
  • It is the most accurate sensor available as compared to other sensing technologies
  • Tamper-resistant locks alarm to mounting bracket to prevent removal of battery and/or alarm, perfect for apartment, dormitory or hotel applications
  • Electronically simulates carbon monoxide condition, causing the unit to alarm, press and hold test/silence button
  • Up to 18 units, RF or hardwired (needs SA520B bridge unit), with smoke, carbon monoxide, heat alarms and relays, maximum 12 smoke alarms interconnections
  • Two silence features - can silence the low-battery chirp for up to eight hours or temporarily silence an unwanted nuisance alarm
Specifications
Manufacturer Part Number CO511B
UPC 29054002914
Overall Dimensions n/a
Material n/a
Domestic or Import n/a
End Style n/a
Type n/a
ADA Compliance n/a
Warning n/a
Standards and Approvals UL 2034 | ARRA Compliant | Buy American Act Compliant
Resources
Delivery & Returns

Orders will ship same day if received by 2pm EST.

Upcoming holiday closures: May 25, 2026

All returns are inspected on receipt; credit is issued after condition is confirmed. Credit is issued only for items returned in original, saleable condition after inspection.

FINAL SALE ITEMS ARE NOT ELIGIBLE FOR RETURNS OR EXCHANGES.

Recently viewed products