AO Smith YTH6320R1023 Focus PRO Zoning Adapter Kit, Wireless, 40 - 99 deg F, 3 Stages Heat, 2 Stages Cool, Terminal Designations: C, R, Rc, Rh, W-O/B, W2-Aux/E, Y, Y2, G, L, RAS, System Switching: Auto-Heat-Cool-Off-Emergency, Fan Switching: Auto-On, Digital Display, Battery, Horizontal Mount, White, Includes: THM4000R1000 Wireless Adapter • Displays outdoor temperature and humidity • Equipment interface module(EIM): all HVAC equipment is wired to the module. Module receives communication from the wireless devices • Return air sensor: works with the equipment interface module to maintain safe indoor temperatu if power is lost at the wireless thermostat. Maintains 62 deg F for heating and 82 deg F for cooling • Red LINK wireless technology: powered by Red LINK reliability. No interference with other wireless devices in the home Application: Forced Warm Air and Heat Pump Systems
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