Skip to Main Content
Logo

188A

Anti-Siphon Vacuum Breaker Backflow Preventers for Irrigation Systems

  • Chemical-resistant, silicone seat disc with high heat and water hammer shock resistance ensures tight seating
  • Atmospheric vent closes to prevent spilling under all rates of flow
  • Lightweight, durable "disc float" for closing atmospheric vent is suitable for temperatures up to 180° F (82° C)
  • Brass body with bronze internal trim

Select a Model

Select options below to identify the UPC, Order Code, and Repair Kit for a specific 188A

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