• Marathon 8" ProMaxx Aluminator Roof Drain - Retrofit - Aluminum - 305-BALUM8CRPM
  • Marathon 8" ProMaxx Aluminator Roof Drain - Retrofit - Aluminum - 305-BALUM8CRPM
  • Marathon 8" ProMaxx Aluminator Roof Drain - Retrofit - Aluminum - 305-BALUM8CRPM
New!

Note: Special 8" tool is required for this product. 

Best Price Guaranteed
Price: $515.00
    Item #305-BALUM8CRPM
    Write a review!

    Update price

    Description

    The Marathon 8″ ProMaxx Aluminator Roof Drain BALUM8CRPM is an all-aluminum retrofit drain designed for high-capacity installations. It features a ProMaxx rubber seal to prevent backflow, a heavy duty spun aluminum body, and a robust three-bolt 10″ strainer that stands 6″ tall. The drain includes a 16″ flange and 12″ outlet, with scalloped cast aluminum ring and leak-preventing features, built for durability and maximum drainage performance.

    Key Features:

    • 8-inch outlet size (BALUM8CRPM) with ProMaxx rubber seal
    • Spun heavy duty aluminum body made for retrofit applications
    • Three-bolt aluminum strainer, 10″ diameter by 6″ tall
    • Cast aluminum ring, scalloped (12 scallops) to maximize drainage, with seep holes
    • 16″ flange diameter, 12″ outlet length

    Specifications

    • Body material: Heavy duty spun aluminum
    • Flange diameter: 16″
    • Outlet length: 12″
    • Strainer: 10″ aluminum, 3-bolt strainer, 6″ tall
    • Ring: Cast aluminum, 1-1/4″ tall, scalloped with seep holes, 12 scallops
    • Seal type: ProMaxx rubber seal

    How To

    • Choose BALUM8CRPM to match an 8-inch outlet pipe.
    • Prepare the roof deck and clean the existing drain area.
    • Place the 16″ flange flat over roofing membrane and align outlet.
    • Install the ProMaxx rubber seal to create a watertight backflow barrier.
    • Secure the cast aluminum ring and strainer with bolts.
    • Flash the flange and ensure connections are tight; use special 8-inch tool if required.

    FAQs

    Q: What makes the ProMaxx version different than standard Aluminator?
    A: It uses the ProMaxx seal and has heavy duty components (tall strainer, scalloped cast ring) for high capacity and durability.

    Q: What are the flange and outlet dimensions?
    A: Flange is 16 inches in diameter; outlet length is 12 inches.

    Q: What are the strainer specifications?
    A: The strainer is 10″ diameter, 6″ tall, and mounts with 3 bolts.

    Q: Is a special tool needed for installation?
    A: Yes, for 8-inch size, a special 8″ tool is required.

    Q: What seal is used, and how does it perform?
    A: It uses a ProMaxx rubber seal designed to prevent water back-up and provide reliable retrofit performance.

    Reviews (0) • Write a review!

    This product has no reviews yet. Write a review!

    Related Items
    OMG SpeedTite® Aluminum RetroDrain, 3"-6"
    3", 4", 5", and 6" SpeedTite Drains with built-in Vortex Breaker technology are designed for improved flow performance that rivals many traditional new connections drains
    Price: Choose Size
    Availability: In Stock
    Usually ships within 1-2 Business Days

      OMG SpeedTite RetroDrain models SPT3A, SPT4A, SPT5A, SPT6A are retrofit roof drains designed to improve drainage performance by reducing vortexing and accelerating water removal. They install from the roof surface into existing drain leaders, featuring a mechanical seal that provides a watertight connection in seconds. With sizes from 3 to 6 inches and an extra-large flange, they accommodate most field conditions and work with many roof cover types. Key Features vortex breaker reduces slow...

      Olyflow - Uflow Hercules RetroDrain w/Cast Alum Dome
      Patented U-Flow Seal Provides Watertight Connection. (Requires U-Flow Screwdriver)
      Price: $335.00
      Availability: In Stock
      Usually ships within 1-2 Business Days

        The OMG Hercules Aluminum RetroDrains (SKUs HDAL3A, HDAL4A, HDAL5A, HDAL6A) are durable retrofit roof drains designed to replace existing drains in re-roofing projects without removing the existing drain fixture. Each drain features a one-piece spun aluminum body, heavy cast aluminum strainer dome, large flange for secure membrane attachment, and a U-Flow mechanical watertight seal that connects reliably to existing plumbing (PVC or cast iron). These drains meet multiple codes and standards...

        Marathon Alum Fast Flow Drain w/Clamping Ring
        Direct Connect on SINGLE PLY & MEMBRANE w/Rubber Coupling
        Price: Choose Option
        Availability: In Stock
        Usually ships within 1-2 Business Days

          The Marathon Aluminum Fast Flow Roof Drain with Clamping Ring series (BFF200CR, BFF300CR, BFF400CR) is designed for retrofit and new roofing applications. Each model features a heavy-duty spun aluminum body, a 16-inch flange, and a 12-inch outlet. The clamping ring version includes a 10-inch polyethylene strainer, ABS clamping ring, and expanding tape anti-backup seal for watertight connections. Available in 2-inch, 3-inch, and 4-inch outlet sizes, these drains provide durability and...

          Marathon Aluminator Retrofit Drain
          Aluminum Retrofit Drains
          Price: Choose Option
          Availability: In Stock
          Usually ships within 1-2 Business Days

            The Marathon Aluminator Retrofit Roof Drain series (BALUM3CRP, BALUM4CRP, BALUM5CRP, BALUM6CRP) delivers an all-aluminum solution for secure and efficient retrofit drainage. Constructed from heavy gauge spun aluminum, each drain includes a ProSeal rubber mechanical seal, a cast aluminum clamping ring, and a 10-inch aluminum strainer. With a 16-inch flange and 12-inch outlet, the Aluminator series ensures durability and consistent performance across all sizes. Key Features: All-aluminum...

            Leave a message