LF6

Lead Free* MIDI Check Valves

  • Used in general industrial and plumbing applications
  • Operates silently with swing check or vertical lift check valve functionality
  • Series LF6 can be installed in a horizontal or vertical position
  • Series LF6 Sizes: 1⁄4", 3⁄8", 1⁄2", 3⁄4", 1" (F x F only). Series P6 is a 1⁄4" NPT with an acetal body

Select options below to identify the UPC, Order Code, and Repair Kit for a specific LF6

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