D4120 System Sensor InnovairFlex 4-Wire Conventional Photoelectric Duct Detector Includes a 2D51 Detector The D4120 System Sensor 4-wire photoelectric duct smoke detector features a pivoting housing that fits both square and rectangular footprints and mounts to round or rectangular ductwork.
This unit senses smoke in the most challenging conditions, operating in airflow speeds of 100 to 4,000 feet per minute, temperatures of 4°F to 158°F, and a humidity range of 0 to 95 percent (noncondensing).
A plug-in sensor head offers improved false alarm immunity and simple installation, testing, and maintenance. An improved cover design isolates the sensor head from the low flow feature for simple maintenance.
Maximize Your Savings, Elevate Your Business:
Our Client Tier System is designed to reward you with better discounts as your business grows.
Every new account begins at our Base Tier, ensuring you receive value from your very first purchase.
As your yearly volume increases, so does your opportunity to save.
Streamline and Empower Your Business Operations
Our new B2B (Company) Accounts offer a comprehensive solution for companies seeking to streamline their procurement process and empower their teams.
With a B2B account on our website, your company can link multiple employee accounts under one central business panel. This integration provides a unified view of all transactions, invoices, and benefits, ensuring efficient management and coordination across your organization.
