Equipment Interface Module controls up to 4-stages of heat and 2-stages of cool in a heat pump system and up to 3-stages of heat and 2-stages of cool in a conventional system. Three sets of Universal IAQ contacts to control humidification, dehumidification, and ventilation. Four sensor inputs for wired sensors or dry contact devices.

• Up to 4 Heat / 2 Cool Heat Pump or Up to 3 Heat / 2 Cool Conventional
• Application for Gas, oil, electric, heat pump, forced warm air, hot water, steam or gravity