Additional Details ------------------------------ Warranty description: NIBCO INC. warrants:? NIBCO Press System fittings and flanges to be free from defects in materials and workmanship under normal use and service for a period of 50 years from the Warranty Commencement Date. The Warranty Commencement Date for NIBCO Press system fittings and flanges shall be the date upon which the fitting or flange is installed.? NIBCO Press System pressure rated metal valve to be free from defects in materials and workmanship under normal use and service for a period of five (5) years from date put into service with the exception of models PC-FP-600A-LF for which a two (2) year warranty period from date put into service applies.This limited warranty applies to all NIBCO Press System products installed in accordance with NIBCO?s approved and p ublished installation, testing and application recommendations and instructions. This includes product installed in accordance with the Press Tool Jaw Compatibility Matrix in effect at the time of installation as published in the most current online version of the NIBCO Press System Catalog.