Roofing accessories · Johns Manville
Johns Manville Hercules RetroDrain with Aluminum Dome — Ventilation and Drainage — JMCA4HA
SKU: 20059
The Hercules® RetroDrain® is a one-piece spun aluminum body and heavy-duty cast aluminum dome and clamping ring provide strength and durability. It incorporates U-Flow® Seal technology for a mechanical, watertight connection to PVC or cast iron pipes to prevent water from backup damage. The drain flange has a depressed sump area to facilitate water drainage from roof surface.
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Product details
- Category
- Roofing accessories
- Unit
- each
- Brand
- Johns Manville
- Style
- Ventilation and Drainage
- Unit codes
- EA
- Applicable standards
- ANSI/SPRI RD-1
- Manufacturer product number
- JMCA4HA
