71U

Class 125 Cast Iron Sure Check Valves

  • Dual shaft design allows interchangeability of shafts
  • Torsion springs close valve prior to flow reversal and provide long sealing capability
  • Buna-N elastomer seats
  • Compact design with short face-to-face dimensions minimizes space requirements

Select options below to identify the UPC, Order Code, and Repair Kit for a specific 71U

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