We are All In One Exterior and Construction, a trusted roofing company serving Alpharetta, GA, and surrounding areas. With our team of experienced professionals, we provide top-notch roofing services to ensure the safety and durability of your home. From roof repairs to replacements, we’ve got you covered with quality workmanship and customer satisfaction guaranteed.
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System Sensor D4120W Duct Smoke Detector
Category:
Industrial Goods and Services
The System Sensor D4120W duct smoke detector is a photoelectric safety device designed for HVAC systems. Operating on 24VAC/DC or 120V, it detects smoke within air ducts by sensing light scatter caused by airborne particles. When smoke is detected, it signals the system to shut down fans or air handlers, preventing smoke circulation.
