Pentair Square Spa Skimmer Weir Door with Foam (550-4051) infusionpool Helps restore proper hydraulic performance

Helps restore proper hydraulic performance

Proper anchoring is important for equipment stability

it is especially appealing for buyers who need a recognizable motor platform with the right frame and speed configuration

A secure union nut is essential for pulling the union connection together evenly

Pentair Square Spa Skimmer Weir Door with Foam (550-4051) infusionpool Helps restore proper hydraulic performanceThe Waterway Square Spa Skimmer Weir Door with Foam is a replacement skimmer component for compatible square spa skimmer assemblies. The weir door helps improve surface skimming by controlling water movement into the skimmer opening, while the foam helps the door float and respond properly as water level and flow conditions change. A damaged or missing weir can reduce skimming efficiency and allow debris to drift back into the spa. Replace this part