Product Overview
Josam 22100 9" Combination Drain & Overflow w/ Dual Deckplate. [No Hub only]
The Josam 22100 Series is a coated cast iron combination roof drain and overflow drain designed for small roofs, gutters and valleys of any construction. It includes:
- A cast iron beehive dome—provides ample drainage for small roof areas while intercepting debris.
- Two Wejloc non-puncturing clamp rings with integral gravel stops—holds the membrane or flashing to the drain body.
- Integral cast iron standpipe in a cast iron deck flange.
- Dual no-hub bottom outlets.
Download the full specification sheet.
Available Options
| -IRMA | Perforated Stainless Steel Extension | -20 | Galvanized Cast Iron Parts |
| -VP | Vandal-Proof | -23 | Rough Bronze Dome |
| -1 | Deck Clamp Assembly | -28 | Extra Dome Overflow |
| -10 | Fixed Extension Collar, CI (spec. ht.) | -33 | S.S. Mesh Screen Covered Dome |
Outlet Type
| Type # | Pipe Size (in.) | Approx. Weight (lbs.) |
| 22102-Z | 2-in. | 37 |
| 22103-Z | 3-in. | 37 |
| 22104-Z | 4-in. | 38 |