Zurn Top Set Deck Plate for the Z121 Roof Drain

The Top Set Deck Plate for the Zurn Z121 12-in. Roof Drain allows for complete topside installation, eliminating costly and dangerous underdeck roof drain assembly.

It’s Fast – Install roof drains in half the time as conventional methods. The bolt down system integrally secures the roof drain assembly to the roof deck.

It’s Secure – A unique design combines a traditional roof sump receiver with deck clamp to provide a more secure, long-lasting installation.

Product Advantages:

• No underdeck clamp required
• Serves purpose of roof sump receiver
• Can be pre-assembled to drain body – great for pre-fab applications.
• 14-gauge steel with corrosive resistant finish.

Installation Instructions:

1. Create opening in roof (Q-deck) to receive drain assembly.
2. Fasten drain body to deck plate by aligning the (4) bosses on the body and (4) slots on the plate using hex-head cap screws.
3. Drop body-plate assembly into the pre-cut opening in the roof.
4. Align deck plate attachments slots with the desired position in the roof and fasten the assembly to the roof with self-tapping screws.
5. Cover the roof, including the body plate assembly with waterproofing membrane and insulation if applicable.
6. Fasten flashing clamp to the body assembly and attach the dome.