The Resideo HZ311 is a 3-zone HVAC control panel designed for systems with 1 heat and 1 cool stage. It manages airflow by directing conditioned air to individual zones through compatible dampers, improving comfort and energy efficiency. Commonly used with forced-air equipment such as furnaces, heat pumps, and central air conditioners, the HZ311 ensures balanced temperature control thr... https://www.partshnc.com/hz311-resideo-3-zonepanel-1ht1cl