Johnson Controls AP-VMA1420-700 VMA1420 Variable Air Volume VAV Controller [Refurbished]

The Variable Air Volume Modular Assembly (VMA) 1400 Series is an integrated module that includes a controller, differential pressure sensor, and actuator (except VMA1430 models, which are intended to be used with an external actuator).. Johnson Controls. Johnson Controls. AP-VMA1420-700.