SKU 72201794989 · ★ 4.2
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Ships within 48 hours · Estimated delivery Oct 30 - Nov 4
Aqualarm 20271 Smoke Detector 12 24 Vdc Photo Electric EPAWATPRE3 The world's FIRST two color engine The world's FIRST two color engine room light Drive Style: Ding Drive Keyway Photoelectric detectors trigger when smoke particles enter the detector and cause an internal beam of light to be deflected (bounce off the smoke particulartes) toward a light detecting sensor triggering an alarm
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