Dimensional data is subject to manufacturing tolerances and change without notice.
Specifications: Zurn Z121-FG 12-in. roof drain includes a dura-coated cast iron (DCCI) body with combination membrane flashing clamp / gravel guard, and a flat cast-iron grate.
| Pipe Size (in.) |
Approx Weight (lbs) |
Dome Open Area (sq in.) |
| 2, 3, 4, 6 |
22 |
23 |
Outlet Types
- Inside Caulk (IC)
- Threaded (IP)
- No-Hub (NH)
Dome Options
- Grate* (4-1/4 in. height) with DCCI Body (Z)
*Regularly furnished unless otherwise specified.
Accessories
- Acid Resistant Epoxy Coated (-AR)
- Roof Sump Receiver (-R)
- Underdeck Clamp (-C)
- Secondary Clamping Collar (-SC)
- Top-Set® Roof Deck Plate (replaces underdeck clamp and roof sump receiver) (-DP)
- Neo-Loc Test Cap Gasket (2 - 4 in. NL Bottom Outlet Only) (-TC)
- Top-Set® Drain Riser (adjustment from 3-5/8 to 7-1/4 in.) (-DR)
- Vandal-Proof Secured Top (-VP)
Static Extension (1 - 4-in.; specify height) (-E)
- Vertical Expansion Joint (-XJ)
- Top-Set® Adjustable Extension Assembly (-EB)
- Stainless Steel Perforated Gravel Guard (-84)
- Static Extension with Secondary Clamp Collar at Body (for clamping at roof drain body) (-ES)
- Stainless Steel Perforated Extension (-85)
- Galvanized Cast Iron (-G)
- 90° Threaded Side Outlet Body (2 - 4-in. only) (-90)
