Zurn Z121-C Roof Drain — Underdeck Clamp

Dimensional data is subject to manufacturing tolerances and change without notice.

Download Specifications PDF

 

Pipe Size
(in.)
Approx.
Weight (lbs.)
Dome Open
Area (sq. in.)
2 - 6 22 78

ENGINEERING SPECS: Zurn Z121-C 12-in. roof drain includes a dura-coated cast iron (DCCI) body with combination membrane flashing clamp / gravel guard, underdeck clamp and and low-silhouette poly dome.


 

Outlet Types

Outlet Type Available Pipe
Sizes (in.)
E. Body Height
Dimension (in.)
Inside Caulk (IC) 2 - 4, 6 5-1/4
Threaded (IP) 2 - 4, 6 3-3/4
No-Hub (NH) 2 - 4, 6 5-1/4
Neo-Loc (NL) 2 - 4 4-5/8

 


 

Dome Options

Poly Dome* (4-1/4 in. height) with DCCI Body (Z)
Aluminum Dome (6-9/16 in. height) with DCCI Body (ZA)
Cast Iron Dome (4-1/4 in. height) with DCCI Body (ZC)
Plain Bronze Dome (3-7/8 in. height) with DCCI Body (ZRB)

*Regularly furnished unless otherwise specified

 


 

Available Accessories

Acid Resistant Epoxy Coated (-AR) Neo-Loc Test Cap Gasket (2 - 4 in. NL Bottom Outlet Only) (-TC)
Bronze Mesh Screen Over Dome (-BS) Vandal-Proof Secured Top (-VP)
Static Extension (1 - 4-in.; specify height) (-E) Vertical Expansion Joint (-XJ)
Flush Grate (Replaces dome strainer) (-FG) Stainless Steel Perforated Gravel Guard (-84)
Galvanized Cast Iron (-G) Stainless Steel Perforated Extension (-85)
Roof Sump Receiver (-R) 2-in. High External Water Dam (-89)
Secondary Clamping Collar (-SC) 90° Threaded Side Outlet Body (2 - 4-in. only) (-90)
Stainless Mesh Screen Over Dome (-SS)