LF406

Lead Free Single Check and Single Detector Check

  • Center-stem-guided, spring-loaded check for more positive seating
  • Can be installed horizontally or vertically (up or down)
  • Optional meter detects leakage and/or theft of water from Automatic Fire Sprinkler Systems
  • Replaceable stainless steel seat ring

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