BRK Interconnect Hardwire Smoke Alarm with Battery Backup Size:120 V Flows Freely & Evaporates Quickly

Flows Freely & Evaporates Quickly

battery self contained

and the other a liquid mixed with water

for connecting 2 pieces of 1/2" cross link polyethylene pex tubing

BRK Interconnect Hardwire Smoke Alarm with Battery Backup Size:120 V Flows Freely & Evaporates QuicklyDirect wire in with 9V battery backup. Hardwired with battery backup for protection during power outages. Perfect mount for easy installation. Mounting bracket keeps the alarm secure over a wide rotation range for ideal alignment. Latching alarm indicator, visually identifies unit that initiated alarm or low battery. Interconnects with most First Alert and BRK hardwired alarms. When one alarm sounds, all compatible alarms sound (up to 12 smoke alarms