72" Series Economizer Logic Module 24Vax 60Hz "

72" Series Economizer Logic Module,Vac:24, Hertz:60, For Single And Dual Bulb Abd Single And Differential Enthalpy,Has Indoor And Outdoor Sensor Inputs, Demand Control Ventilation Economizer Provides Comfort, Energy Savings, Reliability, Air Quality Compliance And Flexibility In Heating, Cooling And Ventilating Applications