BRAND NEW System Sensor 5251RB (Free Shipping)

System Sensor 5251RB Rate-Of-Rise Thermal Heat Detector Sensor

System Sensor Model #5251RB. BUNDLE OF X4

BRAND NEW System Sensor 5251RB (Free Shipping) Open Box

BRAND NEW System Sensor 5251RB (Free Shipping) No Box/instructions

FDD Heat Detector CR 135 -2 Combination Rate-of-rise & Fixed Temp 57C/135F

5251RB Heat Detector Rate-of-Rise 135°F Fire Alarm Head System Sensor NEW

Heat Detector, Addressable, 135 Degrees Fixed/ROR, System Sensor Model #5251RB