263 Results
System Sensor 4W-B 4WB Series 4-wire, Photoelectric i3 Smoke Detector
$50.00$8.00 shippingSystem Sensor D4120 4 Wire Photoelectric Duct Smoke Detector
$132.507 bids$18.30 shippingEnding May 23 at 5:21AM PDT2d 3hSystem Sensor 2112/24TR 4-Wire Smoke & Heat Detector w/Relay 1014 NOS
$55.99$10.85 shippingsmoke detector spy 4K WiFi Camera
$100.00$10.15 shipping13 soldMircom SD-4WP - 4 Wire Photo Detector 24VDC
$21.74$5.00 shippingHOCHIKI NS4-100 - 2 Wire, 4" Detector Base, 24 Vdc*
$4.64$5.00 shippingSmoke Detector Base, 6", 4 Wire W/Relay, 12 Volt. Hochiki Model HSC-4R/12
$18.50Free shippingHOCHIKI NS4-224 - 2 Wire, 6" Detector Base, 24 Vdc*
$6.19$5.00 shippingGentex 8100Y 4 Wire System Smoke Detector Non - Latching 908-1239-002
$255.00$11.60 shippingSMOKE DETECTOR 4-Wire Duct Smoke Detector - NEW
$125.00$15.00 shipping2 watchingMIRCOM MDH-SL2000P 4-WIRE CONVENTIONAL DUCT SMOKE DETECTOR
$200.00$20.25 shipping
