Viking Spa Weir Door 89620 for 20SqFt filter assembly.   This skim filter flapper is used in select model Viking spas.  This weir door measures approximately 5 inches x 5 inches.  It comes with a foam insert.  If you need the 2 pins, order part number 519-4021.

This is the floating weir door for the smaller 20 sqft. filter assembly.  need a larger weir door? See 89710.

If you were referred to this part, it is the original replacement weir door for your Viking spa.

Tabs sold separately if needed - see 89660  x2

This is a factory original part.