The Y PACK OF JADE ECONOMIZER includes temperature and mixed air sensors, along with the MS7503 DCA, designed for optimal performance in HVAC systems. Manufactured by Honeywell Resideo, this pack is essential for enhancing the efficiency of economizer applications. The sensors are built to provide accurate readings, ensuring effective control of air quality and temperature. This comprehensive kit is ideal for technicians looking to upgrade or maintain their Jade Economizer systems, ensuring compatibility and reliability in various environments.