LFC300

Lead Free* Double Check Detector Assembly Backflow Preventers with Tri-Link Check Valves

  • 304 (Schedule 40) stainless steel housing and sleeve
  • Can be installed under continuous pressure service and may be subjected to backpressure for nontoxic applications
  • Detects loss due to underground water leaks or unauthorized water usage
  • Patented tri-link check provides low pressure loss
  • Integrated supervisory switch (UL Certified, Safety Signaling, Control No. 3L38) on outside stem and yoke resilient seated gate valve

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