Waterway - 5in Super Hi Flo Suction Wall Fitting Nut, 642-3620
Waterway 5in Super Hi Flo Suction Wall Fitting Nut, 642-3620, is the backing ring or lock ring (Nut) that tightens up the Waterway Super Hi Flo Suction fittings, or spa drains.
Waterway Wall Fitting Nut fits 5"" drains with 2"" wall fittings, drain models 640-357x, and also fits 2.5"" wall fittings, used on 640-358x V 5"" Hi-Flo suction fittings, or spa drains.