Kits & Accessories

Are you looking for a replacement part, battery, or adapter for your Kidde, Firex or Nighthawk product?  Browse common fire safety accessories.

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Kidde Two Year Power Supply 9 Volt Battery 2-Pack

  • Includes 2 Batteries (9 Volt Alkaline)
  • Guaranteed to power a Kidde alarm for 2 years or we will replace it!*
$9.89

SM120X Relay Module for Smoke Alarm

The Kidde SM120X can be used to activate auxiliary warning devices such as external bells and sirens, hallway or stairway lighting. This relay will only activate when it receives a smoke signal from an interconnect Smoke Alarm.
$17.15

CO120X Carbon Monoxide Relay Module

The Kidde CO120X can be used to activate auxiliary warning devices such as external bells and sirens, hallway or stairway lighting. This relay will only activate when it receives a CO signal from an interconnect Carbon Monoxide Alarm. When in the activated mode (as a result of a CO signal), this device will deactivate if it receives a smoke interconnect signal from a compatible device.

$24.99

Kidde Heat Detector HD135

The Kidde HD135F is a 120VAC Wire In Heat Alarm that responds to temperature rather than smoke.
$34.76

Quick Connect Harness 21027590

$0.99