5621 System Sensor Heat Detector, 135F Fixed Temperature/Rate-Of-Rise, Dual-Circuit Mechanical. The 5621 System Sensor, 5600 series mechanical heat detector is intended for use in property protection applications, or for non-life-safety installations where smoke detection is not practical or appropriate.
The 5621 System Sensor, 5600 series consists of both single- and dual-circuit heat detectors featuring fixed temperature thermal sensors or combination fixed temperature/ rate-of-rise sensors, with temperature ratings of 135F (57C) or 194F (90C).
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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.
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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.
