The Watts FD-490-F-4 is a heavy-duty parking structure drain designed for cast-in-place applications in elevated decks, where durability and effective drainage are critical. Constructed from epoxy-coated cast iron, it features a 17″ × 17″ square anti-ponding top with a membrane-clamping flange, a self-closing hinged grate for safety under traffic, an aluminum sediment bucket for maintenance access, and a standard no-hub outlet.

Key Features

• Epoxy-coated cast-iron body with a 17″ × 17″ anti-ponding square top and a built-in membrane-clamping collar

• Self-closing hinged grate designed for heavy commercial vehicle traffic

• Removable aluminum sediment bucket allows easy debris removal without disrupting deck traffic

• No-hub outlet (MJ) standard; multiple outlet sizes available for adaptability

• Rated for XHD loading (safe live load up to 7,500-10,000 lbs) for use in vehicular areas

Downloads:

• Specification Sheet