the kit includes updated 5-pin and 9-pin harnesses to accommodate the modern UTEC board architecture

Precise 1 RPM Output: Delivers the necessary torque for consistent evaporative pad rotation

Mechanical Reliability: Provides a robust alternative to digital interfaces

Reliable Logic Control: Manages precise blower activation and shutdown delays for optimized airflow

Ruskin EFL/SP100/165 Flue Switch 322055-301 the kit includes updated 5-pinThe Ruskin EFL SP100 165 is a professional grade 165F fuse switch and heat responsive device designed specifically for integration with fire smoke dampers. As a UL Classified component, this electric resettable link functions as a critical safety cutoff, interrupting power to the actuator when ambient temperatures exceed 165F (74C). This allows the damper's spring return mechanism to engage, ensuring positive closure for life safety and fire