Marathon 3" Copper-Tite w/Clamping Ring & Tape Seal

The Marathon BCTS39CR is a 3-inch Copper-Tite retrofit drain with a copper body, factory-applied tape seal, and clamping ring for watertight performance. This model is ideal for reroof or retrofit applications and includes a 10-inch ABS clamping ring and 10-inch polyethylene strainer. The BCTS39CR is available with either a 14-inch small flange or an 18-inch large flange and features a 9-inch outlet length for compatibility with existing piping.

Key Features:

• 3-inch retrofit drain with anti-backup tape seal
• Copper body for strength and long service life
• Flange options: 14-inch small flange or 18-inch large flange
• 9-inch outlet length for retrofit applications
• Includes 10-inch ABS clamping ring and 10-inch polyethylene strainer

• Model / Part Number: BCTS39CR
• Outlet size: 3″
• Fits existing drain pipe size: 2-7/8″ – 3-1/4″
• Outlet length: 9″
• Flange size: 14″ (small flange) or 18″ (large flange)
• Body material: Copper
• Clamping Ring: 10″ ABS
• Strainer: 10″ polyethylene
• Packaging: 1 per carton

• Clean the existing drain sleeve and surrounding membrane area.
• Test fit the BCTS39CR in the sleeve before removing the restraint on the tape seal.
• Remove the restraint and insert the drain so the tape expands into the sleeve.
• Position the flange flat on the roof surface.
• Install and secure the 10-inch ABS clamping ring.
• Attach the 10-inch polyethylene strainer.
• Flash the flange per the roofing membrane manufacturer’s requirements.

Q: What is the outlet size of the BCTS39CR?
A: The outlet size is 3 inches.

Q: What pipe sizes will this drain fit?
A: It fits existing drain pipes with inside diameters from 2-7/8″ to 3-1/4″.

Q: What flange sizes are available?
A: The BCTS39CR is available with a 14-inch small flange or an 18-inch large flange.

Q: What is the outlet length?
A: The outlet length is 9 inches.

Q: What components are included with this drain?
A: Copper body, tape seal, ABS clamping ring, and polyethylene strainer.