8” DIAMETER COMBINATION ROOF DRAIN
AND OVERFLOW SYSTEM

SUN® RD4400 8” combination roof drain and overflow drain, coated cast iron bodies with combination membrane flashing clamp/gravel guards, integral sump receiver and aluminum domes.

Pipe Size / Outlet Type

• 2IC, 3IC, 4IC
• 2NH, 3NH, 4NH
• 2PO, 3PO, 4PO
• 2TH, 3TH, 4TH

Installation Instruction

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Specification Sheet

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