Edwards EST SIGA-SD Photoelectric Duct Smoke Detector - Signature Series Edwards Systems Technology- SIGA-SD - (Signature) Photo Electric Duct Smoke Sensor NEW - Open Box The Edwards Systems Technology SIGA-SD Signature Photoelectric Duct Smoke Sensor is designed for reliable smoke detection in HVAC duct systems, offering early warning capabilities for smoke or fire in large commercial or industrial environments. This sensor utilizes advanced photoelectric technology to detect smoke particles with precision, ensuring accurate detection and timely alerts. The unit is compatible with Edwards' Signature series systems, making it an ideal choice for integrating into your fire alarm network. Listed by: Vienna (Sales Team) " Don't let yesterday take up to much of today" - Will Rogers (A positive moment brought to you by Help Resale) About Us Welcome to Help Resale, your go-to consignment shop where value meets quality. At Help Resale, we're dedicated to providing you with an exceptional shopping experience, whether you're looking to find the best deals or consign your items. Need to buy a product, but don't see it in our store? Please feel free to reach out to us and we will help you find it! Help Resale 7200 Fair Oaks Blvd Suite 120 Carmichael CA 95608 Business Hours: Monday-Friday: 9:00 am to 5:00 pm (PST) All product and company names are trademarks TM or registered trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them. (description exceeds maximum possible length)