Neptronic EVCB14NIT4X : Networkable VAV Unit Controller, Single Duct, 24 VAC, 2 Analog/2 Digital Inputs, 2 Analog/4 TRIAC Outputs, Pressure Independent, BACnet MS/TP or Modbus, External Motor (Additional shipping or handling charges may apply. Contact sales@energycontrol.com for a quote.)