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Hercules^® Roof Drain

Code approved OMG Hercules RetroDrains, the industry’s most popular retrofit drain, are available in 3-, 4-, 5- and 6-inch sizes and with a variety of options to support any project, including TPO or PVC coated flange for direct membrane attachment.

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Features & Benefits

Saves time and money by allowing easy installation from the rooftop without disturbing occupants.
Cast aluminum strainer dome and clamping ring that will not rust for long term durability and performance.
U-Flow Seals exceed the ANSI/SPRI RD1 (introduced in 2004) standard for a secure, watertight connection.
Most OMG Hercules Drains have been certified by QAI Laboratories to conform with ASME 112.6.4 and CSA-B79-08.

Product Use

Hercules RetroDrains are designed to replace existing new construction drains in re-roofing applications. Installed from the roof surface, Hercules RetroDrains are engineered to be installed without removing the existing drain fixture. Hercules RetroDrains have a mechanical seal for direct connection to existing PVC or cast iron plumbing.

As with all building materials, it is the responsibility of the installer to review product use with a design professional to confirm safety, compatibility and acceptance with the roof cover manufacturer and local building codes.

Technical Data

Drain Body: 11 gauge (.125-in.) spun aluminum
Seal: Watertight U-Flow mechanical seal (requires U-Flow screwdriver for installation)
Flange: 17.5-inch diameter with sump area. TPO and PVC coated options available.
Strainer Dome: Cast aluminum, aluminum SuperDome or Vortex Breaker dome
Stem: 12-inches
Clamp Ring: Cast aluminum where applicable. *Not provided on TPO or PVC coated drains.

APPROVALS

ASME 112.6.4 – establishes minimum design requirements for roof drains, and certified by QAI Laboratories.

CSA-B79-08 – Canadian Standards Association standard for commercial and residential drains and cleanouts, and certified by QAI Laboratories.

ANSI/SPRI RD-1 – is a national performance standard for retrofit roof drains which requires the seal to hold a 10-ft. column of water for 24 hours without leaking.

Packaging Info

Aluminum Hercules

Cat. No.	Description	Size (in)	Packaging Quantity	Dimensional Weight (lbs)
HDAL3A	Aluminum Herc. w/ Clamping Ring	3	Each	27
HDAL4A	Aluminum Herc. w/ Clamping Ring	4	Each	27
HDAL5A	Aluminum Herc. w/ Clamping Ring	5	Each	27
HDAL6A	Aluminum Herc. w/ Clamping Ring	6	Each	27

TPO Coated Hercules

Cat. No.	Description	Size (in)	Packaging Quantity	Dimensional Weight (lbs)
HDTPO3A	Herc. w/ TPO Coated Flange	3	Each	27
HDTPO4A	Herc. w/ TPO Coated Flange	4	Each	27
HDTPO5A	Herc. w/ TPO Coated Flange	5	Each	27
HDTPO6A	Herc. w/ TPO Coated Flange	6	Each	27

PVC Coated Hercules

Cat. No.	Description	Size (in)	Packaging Quantity	Dimensional Weight (lbs)
HDPVC3A	Herc. w/ PVC Coated Flange	3	Each	27
HDPVC4A	Herc. w/ PVC Coated Flange	4	Each	27
HDPVC5A	Herc. w/ PVC Coated Flange	5	Each	27
HDPVC6A	Herc. w/ PVC Coated Flange	6	Each	27