Gamewell RBB SF 26/02 They also meet NFPA and

They also meet NFPA and UL 520Hz requirements for sleeping areas making them ideal for new construction or retrofits

The innovative under-cover diagnostic test points provide easy access to device circuit testing while mounted

non-spring return

Replacement Duct Detector Board 565-905 sold separately as replacement

The Notifier FST-951R-IV Series intelligent thermal detectors are designed for both performance and aesthetics and are direct replacements for the FST-851 Series

Gamewell RBB SF 26/02 They also meet NFPA andThe RBB is an accessory cabinet that can be used if your main control panel backup batteries are too large to fit into the main control panel cabinet.