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First Alert RM4 Relay Module for Smoke and Smart Interconnect

Brand: First Alert
ADI #:D3-RM4 Model #: RM4  Name: First Alert RM4 Relay Module for Smoke and Smart Interconnect
  • Works with BRK Smoke and Heat Alarms and Smart interconnect BRK CO alarms
  • 120-volt AC-powered
  • Form-C contacts that switch between normally open and closed contacts
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