Gentex 8240PTY Photoelectric System Smoke Detector, Reverse Local 90dBA Piezo, Integral 135 Thermal, Non Latching Circuit Y The Gentex 8240PTY is a 24VDC Photoelectric Smoke Detector with an Integral 135 degree (f) Thermal designed for industrial, commercial, institutional, and residential applications.
Gentex 7139CS-C Photoelectric Smoke Detector with Piezo and Strobe is a state of the art smoke detector with an ADA compliant strobe and piezo horn. The detector operates on a 120V AC/ 9V DC and features a battery backup. The piezo has an 85 dB frequency and a temporal 3 sounding pattern.
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