OMG Hercules 3 inch RetroDrain

The OMG Hercules 3 inch RetroDrain by OMG Roofing Products has a one-piece spun aluminum body, heavy duty cast aluminum strainer dome, and clamping ring provide strength and durability. OlyFlow RetroDrains are designed to replace existing drains in re-roofing applications. Installed from the roof surface, OlyFlow RetroDrains are engineered to be installed without removing the existing plumbing or fixture while providing a watertight connection to the roof system and the existing plumbing.

Features & Benefits:

• Olympic Manufacturing Group’s extra large flange allows positive attachment of roof flashing membrane while the sump area facilitates drainage.
• Simple and easy to install from rooftop in 15 to 30 minutes.
• 12-in. long drain stem accommodates most existing field conditions with longer lengths available.
• Incorporates U-Flow Seal technology for a secure, watertight connection.
• Saves time and money by allowing easy installation from the rooftop without disturbing occupants.
• Drain Body: 11 gauge (.124″) spun aluminum
• Seal: Watertight U-flow mechanical seal requires U-Flow screwdriver
• Flange: 17-1/2″ diameter with sump area
• Strainer Dome: Cast aluminum
• Stem: 12″
• Clamp Ring: Cast aluminum