546-00437B | LAB EL ACT, AN/FP, ACT ONLY | Siemens Hex Size_4.2 in 18X6 PVC REDUCING WYE SOCKET

18X6 PVC REDUCING WYE SOCKET LOW HEAD PIP N

18 PVC BLIND FLANGE DUCT CL150

10 CPVC WAFER BFYVLV EPDM L/GEAR OPERATOR

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 18X6 PVC REDUCING WYE SOCKETLAB 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