OEM HZ311 Thermostat — Upgraded Replacement for TrueZone Panel with Smartphone Control

The OEM HZ311 thermostat is an upgraded replacement for TrueZone panels that provides precise indoor temperature management to enhance comfort. Its simple, user-friendly interface makes setting changes fast and easy for users of any experience level. Designed to work with a variety of HVAC configurations, the HZ311 promotes energy-efficient operation within your existing system. Create custom daily or weekly heating and cooling schedules to match your lifestyle and maximize efficiency. Remote access via a smartphone app lets you monitor and adjust settings from anywhere for complete control over your environment.