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BRK RM4 - Alarm Relay Module

Smoke, CO, or Heat - Activates Auxiliary Warning Devices - For Use with BRK and First Alert Smoke Alarms

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$18.75 ea.
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Brand BRK
MPN (Part No.) RM4
UPC 029054000576
Case Quantity 12
Use With First Alert, BRK, CO, and Heat Alarms
Warranty 5 Years
Weight 0.16 lb.
Length 3.5 in.
Height 1.5 in.
Amperage 15 Amps
Voltage 120
Safety Rating UL Indoor


This BRK RM4 alarm relay module works with BRK and First Alert smoke, heat, and carbon monoxide alarms and activates auxiliary devices, such as bells, sirens, strobe lights, exhaust fans, exit signals, or door closers when an alarm is activated. This alarm relay module is listed to UL 217, 2034, and 539 for accessories and functions in temperatures from 40 to 100 degrees Fahrenheit. Use with a maximum of 18 units or 12 smoke alarms.