546-00437B | LAB EL ACT, AN/FP, ACT ONLY | Siemens Hex Size_4.2 in 1 PVC TRUE UNION 2000

1 PVC TRUE UNION 2000 STANDARD BALL VALVE REINFORCED THREAD FKM

18 PVC BLIND FLANGE DUCT CL150

3/4 PVC Y-CHECK VALVE SOCKET EPDM

1-1/2 PVC DWV COMB WYE & 1/8 BEND HXHXH

546-00437B | LAB EL ACT, AN/FP, ACT ONLY | Siemens Hex Size_4.2 in 1 PVC TRUE UNION 2000LAB EL ACT, AN FP, ACT ONLY The Fume Hood Controller is an integral part of the APOGEE Automation System. The controller is a proven, patented stand alone Direct Digital Control (DDC) system for Variable Air Volume (VAV) control of laboratory fume hoods. The controller maintains constant face velocity as the fume hood sash is raised and lowered. An Operator Display Panel provides the fume hood user with the face velocity readout, operating status of