Part # 4620-525
Manufacturer Code 326
Dimensions 2" L x 2" W x 0.2" D
Alternate Part #'s 355051313, 5099525, E326, O-122, SWQ0513958, T15E6, U9-371, U9371
I recently ordered a head valve from you for my Jacuzzi ST 24 sand filter. I tried to seal the bottom with silicon but its leaking when the pump runs. I'm wondering if I need an O-Ring like your 4620-525 Parco between the valve head and the filter.