GRD-640

Green Roof Metered Overflow Drain

  • Specified for seepage or restricted drainage in green roof systems
  • Non-corrosive perforated stainless steel ballast guard
  • Surface maintenance access through removable cover
  • No hub or push-on connection

Select options below to identify the UPC, Order Code, and Repair Kit for a specific GRD-640

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. Some certification agencies allow you to search by product name and brand.