Zurn Z121-EB Roof Drain - Top-Set Adjustable Extension Assembly

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

Zurn Z121-EB Roof Drain - Top-Set Adjustable Extension Assembly

Specifications: Zurn Z121-EB 12-in. roof drain includes a dura-coated cast iron (DCCI) body with combination membrane flashing clamp / gravel guard, Top-Set® adjustable extension assembly, and low-silhouette poly dome.

Pipe Size (in.) Approx Weight (lbs) Dome Open Area (sq in.)
2, 3, 4, 6 31 78

 

Outlet Types

  • Inside Caulk (IC)
  • Threaded (IP)
  • No-Hub (NH)
  • Neo-Loc (NL)

Dome Options

  • Poly Dome* (4-1/4 in. height) with DCCI Body (Z)
  • Aluminum Dome (6-9/16 in. height) with DCCI Body (ZA)
  • Low Silhouette 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.

Accessories

  • Acid Resistant Epoxy Coated Finish (-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)
    Deep Sump Body (-DB)
  • Vertical Expansion Joint (-XJ)
  • Static Extension (1 - 4-in.; specify height) (-E)
  • Stainless Steel Perforated Gravel Guard (-84)
  • Flush Grate (Replaces dome strainer) (-FG)
  • Stainless Steel Perforated Extension (-85)
    Galvanized Cast Iron (-G)
  • 2-in. High External Water Dam (-89)
  • Secondary Clamping Collar (-SC)
  • 90° Threaded Side Outlet Body (2 - 4-in. only) (-90)
  • Stainless Steel Mesh Screen Over Dome (-SS)

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