PVB4024NS | PROGRAMMABLE VAV CONTROLLER BACNET SPYDER CONTROLLER 4 UI/ 0 DI/ 2 AO/ 4 DO VELOCITY PRESS. SENSOR SKU: PVB4024NS Parent Item Parent Item - Additional Cost Has Item Option Details PVB4024NS | PROGRAMMABLE VAV CONTROLLER BACNET SPYDER CONTROLLER 4 UI/ 0 DI/ 2 AO/ 4 DO VELOCITY PRESS. SENSOR Documentation Data Sheet DetailsDocumentationBackPVB4024NS | PROGRAMMABLE VAV CONTROLLER BACNET SPYDER CONTROLLER 4 UI/ 0 DI/ 2 AO/ 4 DO VELOCITY PRESS. SENSORBack Data Sheet