ProMinent DULCOMETER PH-501 Assembly And Operating Instructions Manual page 816

B-501/2 - Blower, Sutorbilt, Model 4L-RHC, Orientation: Horizontal (Flow Down) Driven Shaft Position: RHC
(Right Hand Central) Flow Requirement: 487 scfm
OPERATION & MAINTENANCE MANUAL
YOUR REFERENCE: PO # 1704432-0008 (Blower) & 1704432-0009 (Package)
OUR REFERENCE: 222850 & 222851
AIRCOM PACKAGE
SUTORBILT
POSITIVE DISPLACEMENT BLOWER
WITH
E-73