Pentair Flap Weir | FAS 100® Skimmer | 85003200 Ladder & Step Pads Worn or cracked valve O-rings

Worn or cracked valve O-rings allow water to bypass the valve seal

360 degree swivel connector eliminates hose tangling

Revere Marathon Spas OpuSpas Saratoga Spas 74407-98 Seascape Spas (This is not an exhaustive list

Balance the water: pH should be 7

Pentair Flap Weir | FAS 100® Skimmer | 85003200 Ladder & Step Pads Worn or cracked valve O-ringsThe Pentair Flap Weir (85003200) is the OEM replacement weir door for the Pentair FAS 100 Skimmer. If your skimmer's weir flap is warped, cracked, or no longer floating freely, this direct fit replacement restores proper skimmer operation. The weir flap sits at the skimmer throat and acts as a one way gate allowing surface water and debris to pass into the skimmer basket while preventing collected debris from washing back into the pool when the pump