Zurn Z121 Roof Drain Engineering Specifications

Find engineering specifications and product diagrams for Zurn's Z121 12-in. roof drain, and all available product options. 


Z121 12-in. Roof Drain

Bronze Mesh Screen (-BS)

Flush Grate (-FG)

Lateral Roof Drain (-90)

Perforated Extension (-85)

Perforated Gravel Guard (-84)

Stainless Steel Mesh Screen (-SS)

Static Extension (-E)

Sump Receiver (-R)

Top-Set Adjustable Extension (-EB)

Top-Set Deck Plate (-DP)

Top-Set Drain Riser (-DR)

Underdeck Clamp (-C)

Vandal Proof Dome (-VP)

Vertical Extension (-XJ)