Commercial Duct Detectors
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System Sensor (DST1.5) 1.5′ duct detector sampling tube
$15.74 Add to cart -

Hochiki (DH-100-A) Addressable duct detector
$280.00 Add to cart -
![System Sensor DECAL-W White Decals for SpectrAlert Advance]()
System Sensor (DECAL-W) White decals for spectralert advance wall products, 5 sets of 2 (10 total)
$91.60 Add to cart -
![Autocall/Simplex A4098-9756 4-Wire Duct Detector]()
Autocall (A4098-9756) Duct sensor housing with supervised multiple relay output
$446.00 Add to cart -
![Simplex (733-868) 4098 duct harness]()
Simplex (733-868) 4098 duct harness
$13.78 Add to cart -
![Simplex (565-964) 2 wire duct w/relay drive]()
Simplex (565-964) 2 wire duct w/relay drive
$54.64 Add to cart -
![Simplex (565-905) 4098 4wire duct detector pc bd]()
Simplex (565-905) 4098 4wire duct detector pc bd
$133.00 Add to cart






