RD-100-85

Large Area IRMA Roof Drain

  • Specified for primary roof drainage
  • No hub (standard) outlet
  • UV stabilized self-locking dome
  • Membrane clamp studs locate holes for flashing

Select options below to identify the UPC, Order Code, and Repair Kit for a specific RD-100-85

Approval/Certification Information

For product-specific approval information, please refer to the product’s specification sheet (see literature section above) or ask a Watts representative. For general information regarding any approval certification partners identified in the specification sheet, please visit our certification partners’ websites:


ASSE CSA FM Approvals NSF
UL ULC USC WQA