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Bottom Outlet Roof Drain with Overflow

Quick Overview

Made of strong 20 ounce sandblasted copper for great membrane adhesion. Seamless flashing and drain basin. Second pipe fitting for overflow application. Comes with strong ABS dome strainer. 2", 3", 4", and 6" sizes available. Copper outperforms the competition because copper does not rust and does not melt. Also available in stainless steel here: Stainless Steel Bottom Outlet Roof Drain with Overflow.

To place an order, please call us at (800) 658-2473 for pricing and availability.
(Part Numbers are located in the table below, under Technical Specifications)



Product Drawings:
Drawing for Bottom Outlet Roof Drain with Overflow   (PDF)  
CAD File for Bottom Outlet Roof Drain with Overflow   (DXF)  



Details

  • Area roof drain with built in overflow drain
  • 20 ounce copper, 10" diameter seamless basin
  • Sandblasted for excellent membrane adhesion
  • Second pipe and fitting for overflow application (2" raised pipe)
  • 2", 3", 4", or 6" bronze no hub fitting
  • ABS dome strainer
  • Manufactured in the USA by Thunderbird Products
Note on Fittings: Two types of fittings are available.  A threaded adapter fitting is used primarily with 2" PVC pipe applications.  The threads on the bronze fittings are male and can be attached to a threaded female PVC adapter.  A no hub fitting is the standard fitting used in the industry.  With this fitting a rubber coupling is used to connect the drain to the drainage pipe.

Technical Specifications

Product Drawing Drawing for Bottom Outlet Roof Drain with Overflow   (PDF)  
CAD File for Bottom Outlet Roof Drain with Overflow   (DXF)  
SKU RDCB
Installation Flat Roof
Material Copper
Part Numbers
RDCB2NH 2" No-Hub Bottom Outlet Roof Drain w/ Overflow
RDCB2NHCL 2" No-Hub Bottom Outlet Roof Drain w/ Center Line Overflow
RDCB2NHCR 2" No-Hub Bottom Outlet Roof Drain w/ Overflow w/ Optional Clamping Ring
RDCB2TA 2" Male Threaded Bottom Outlet Roof Drain w/ Overflow
RDCB3NH 3" No-Hub Bottom Outlet Roof Drain w/ Overflow
RDCB3NHCL 3" No-Hub Bottom Outlet Roof Drain w/ Center Line Overflow
RDCB3NHCR 3" No-Hub Bottom Outlet Roof Drain w/ Overflow w/ Optional Clamping Ring
RDCB4NH 4" No-Hub Bottom Outlet Roof Drain w/ Overflow
RDCB4NHCL 4" No-Hub Bottom Outlet Roof Drain w/ Center Line Overflow
RDCB4NHCR 4" No-Hub Bottom Outlet Roof Drain w/ Overflow w/ Optional Clamping Ring
RDCB6NH 6" No-Hub Bottom Outlet Roof Drain w/ Overflow

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