Marathon 8" Copper-Tite w/Clamping Ring & Tape Seal

The Marathon BCTS89CR is an 8-inch Copper-Tite retrofit drain with a copper body, factory-applied tape seal, and ABS clamping ring for watertight performance. Built for reroof and retrofit applications, this model provides durability with an 18-inch large flange and 9-inch outlet length. Each unit includes a 10-inch ABS clamping ring and 10-inch polyethylene strainer for a complete installation.

Key Features:

• 8-inch retrofit drain with anti-backup tape seal
• Heavy-duty copper body construction
• 18-inch large flange for secure coverage
• 9-inch outlet length for retrofit fit
• Includes 10-inch ABS clamping ring and 10-inch polyethylene strainer

• Model / Part Number: BCTS89CR
• Outlet size: 8″
• Fits existing drain pipe size: 7-7/8″ – 8-1/4″
• Outlet length: 9″
• Flange size: 18″ (large flange)
• Body material: Copper
• Clamping Ring: 10″ ABS
• Strainer: 10″ polyethylene
• Packaging: 1 per carton

• Clean the existing drain sleeve and roof membrane surface.
• Test fit the BCTS89CR to ensure it matches the existing pipe.
• Remove the restraint on the tape seal and insert the drain so the tape expands into the sleeve.
• Position the 18-inch flange flat on the roof surface.
• Secure the 10-inch ABS clamping ring.
• Install the 10-inch polyethylene strainer.
• Flash the flange according to roofing manufacturer’s requirements.

Q: What is the outlet size of the BCTS89CR?
A: The outlet size is 8 inches.

Q: What pipe sizes does this drain fit?
A: It fits existing pipes between 7-7/8″ and 8-1/4″ inside diameter.

Q: What flange size does this model have?
A: The BCTS89CR comes with an 18-inch large flange.

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

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