Check the listing for details. BOSCH D332A Analog Duct Detectors W/ Relays. Condition: New – Open box. Listed at 99.99 USD. Keep your facility safe and secure with this Bosch D332A Analog Duct Detector with Relays. Designed for use in control panels and keypads, this detector is a must-have for any business or industrial facility. Featuring a keypad and highlighted by its brand name, Bosch, this model is a top-of-the-line choice for anyone looking for a reliable and efficient alarm system. With its BOSCH D332A Analog Duct Detector with Relays, you can rest assured that your facility is in good hands. This detector is perfect for use in a variety of settings, including surveillance and alarm equipment. Whether you're looking to improve the safety of your business or simply want to ensure that your alarm system is up-to-date, this detector is a great choice. ND 48