Choice of 3 Bolt / 10" Poly (Included) or Cast Iron Strainer
Was: $329.35
Price: $329.35Sale: $329.35
Item #305-BCTS89
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Description
The Marathon BCTS89 Copper-Tite is an 8-inch retrofit roof drain made from heavy copper with a factory-applied expanding anti-backup tape seal. It includes a 10-inch ABS clamping ring and 10-inch polyethylene strainer. Designed for use in reroof or retrofit applications, it offers a watertight solution with minimal disturbance to existing roofing systems. This model features a 9-inch outlet length and large flange for secure installation.
Key Features:
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8-inch outlet size with retrofit copper body
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Expanding anti-backup seal (factory-applied tape) to prevent leakage and backflow
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Large flange option (18-inch) for full coverage
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Standard 10-inch ABS clamping ring and 10-inch polyethylene strainer included
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9-inch outlet length for proper insertion into existing piping
Specifications
- Model / Part Number: BCTS89 (Large Flange)
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Outlet size: 8″
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Outlet length: 9″
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Fits existing drain pipe size: 5-7/8″ – 6-1/4″
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Body: Copper
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Flange: 18″ large flange (LF)
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Clamping Ring: 10″ ABS
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Strainer: 10″ polyethylene
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Packaging: 1 per carton
How To
- Select the BCTS89 model that matches your existing 8-inch outlet pipe.
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Clean and prepare the existing drain sleeve and roof membrane areas.
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Test fit the drain into the existing sleeve before releasing the tape restraint.
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Remove the restraint and insert the drain so the expanding tape fills the gap around the outlet.
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Seat the flange flush on the roof surface.
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Attach the 10-inch ABS clamping ring and install the 10-inch polyethylene strainer.
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Flash the flange according to the roofing membrane manufacturer’s instructions.
FAQs
Q: What flange size is standard for BCTS89?
A: It is supplied with an 18-inch large flange.
Q: What is the outlet length?
A: The outlet length is 9 inches.
Q: What pipe sizes does this retrofit drain fit into?
A: It fits existing pipe with inside diameters from 5-7/8″ to 6-1/4″.
Q: What materials are used for body, ring, and strainer?
A: Copper body; 10-inch ABS clamping ring; 10-inch polyethylene strainer.
Q: How does the anti-backup seal work?
A: Expanding tape (factory-applied) is released when the drain is inserted, filling the gap between the drain outlet and the existing sleeve to provide a watertight and backflow-resistant seal.
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