The Trane MOD03099 Economizer Module is a genuine ReliaTel OEM control module engineered to optimize HVAC efficiency in Trane rooftop units. By managing fresh air intake based on outdoor conditions, this module helps reduce energy consumption and supports compliance with ventilation standards. Designed specifically for ReliaTel-compatible systems, it ensures seamless integration and reliable performance. Key Features Original Trane ReliaTel Economizer Module Enhances energy efficiency and ventilation control Optimizes use of outdoor air for free cooling Reliable performance in commercial HVAC applications Plug-and-play integration with ReliaTel control boards Specifications Part Number: MOD03099 Type: Economizer Control Module System: ReliaTel Application: Commercial rooftop units Function: Controls fresh air economizer operation Voltage: Controller-powered (low voltage) Compatible Models THC072F3E0A THC074F3EKA THC092E4R0A THC120F3E0A THC102F3EGA THC092F3RNA THC120E4EKA THC102F4RCA THC092E4RGA THC102F4RKA (List shortened to 10 key models. Full compatibility available upon request.) Why Choose This Item Designed by Trane for seamless use with ReliaTel rooftop systems, the MOD03099 Economizer Module delivers precise control, energy savings, and dependable outdoor air management. It's the ideal replacement for ensuring your HVAC unit runs efficiently, safely, and in compliance with ventilation codes. Perfect for HVAC professionals and facility maintenance teams looking for OEM-grade reliability.