This Waterway High Flo Spa Suction assembly comes with a Vacuum Break Fitting that when properly installed raises the flow rate from 20 GPM to 90 GPM (Gallons Per Minute).
This is a new suction complaint with the Virginia Graeme Baker Act, VB 2008, and ASMEA112.19.8-2007.
This suction recommended to be installed with the Waterway Suction Vent Assembly (640-3750V).
This Hi-Flo ...