Product Description

INYO #5190-039 VICO ORIGINAL #PPULVB BALBOA CURRENT # 1211008 THIS IS THE VOLUTE BACK USED IN THE VICO, ULTIMA, ULTIMA PLUS, ULTRA FLO PUMPS UP TO BUT NOT INCLUDING 3 AND 4 HP. THIS IS SLIGHTLY DIFFERENT FROM THE WIDE VOLUTE BACK USED IN OTHER HORSEPOWERS, SEE BELOW FOR HOW TO TELL THE DIFFERENCE. THIS IS HELD TO THE REST OF THE PUMP BODY WITH 4 NUTS AND BOLTS THRU THE BOLT HOLES WHICH ARE ON 1/2" X 1/2" EXTENSIONS FROM THE BODY AND VOLUTE. THERE ARE 4 SHORT EXTENSION ON THE BACK WITH BRASS THREADED INSERTS TO ATTACH THIS TO THE MOTOR

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DIMENSIONS: OUTSIDE DIAMETER: 5-7/8" (NOT INCLUDING EXTENSIONS) FRONT TO BACK: 1-1/2" (NOT INCLUDING EXTENSION) FRONT TO BACK: 2-1/16" (INCLUDING EXTENSIONS) DIAMETER OF INSIDE CENTER PIECE: 5-3/32" DIAMETER OF SHAFT SEAL OPENING: 1-3/8" DISTANCE FROM CENTER TO CENTER: 3-11/16" (BRASS INSERTS) ACTUALLY THIS IS JUST SLIGHTLY UNDER 3-11/16"

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DIFFERENCE BETWEEN WIDE BACK, 5190-041 AND STANDARD BACK 5190-039 ON THE WIDE BACK, THE OUTSIDE PART OF THE VOLUTE IS WIDER FROM FRONT TO BACK THAN IT IS ON THE STANDARD. THE OUTSIDE BODY IS FLUSH WITH THE CENTER PIECE ON THE WIDE ON THE STANDARD BODY, THE CENTER PIECE EXTENDS ABOUT 3/16" PASTE THE OUTSIDE BODY. ANOTHER WAY TO CHECK IS BY MEASURING THE OUTSIDE BOLT HOLE EXTENSIONS. THEY ARE LONGER FRONT TO BACK ON THE WIDE EXTENSIONS FRONT TO BACK WIDE VOLUTE BACK: 3/4" LONG EXTENSIONS FRONT TO BACK STANDARD VOLUTE BACK: 9/16" LONG