OMG Hercules 4 inch RetroDrain
The OMG Hercules 4 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
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