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Jeremy B. · 04/25/2012, 02:40 PM

The volute is the front cover on the pump. If your case for the BB 2000 it would be the clear piece. The venturi is the piece that has the nipple for the airline to attach to. HTH!

04/25/2012, 02:40 PM	#5
Jeremy B. Registered Member Join Date: May 2001 Location: Indianapolis, IN / Muncie, IN Posts: 8,219	The volute is the front cover on the pump. If your case for the BB 2000 it would be the clear piece. The venturi is the piece that has the nipple for the airline to attach to. HTH!