Air Gaps

Air Gap Drains for Backflow Preventers

  • Reduces amount of water splashing in area around reduced pressure assemblies.
  • Gaps can be installed vertically or horizontally
  • The air gap drain is designed to be attached to the relief valve
  • Lightweight for easy installation.

Select a Model

Select options below to identify the UPC, Order Code, and Repair Kit for a specific Air Gaps

Approval/Certification Information

For product-specific approval information, please refer to the product’s specification sheet 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