Febco: 4" - Check Spring Module for an LF850 / 856ST / LF870 / 876ST / LF856 / LF876 Double Check {OR} LF860 / LF880V Reduced Pressure Zone Assembly
• First or second spring module for models LF850 / LF870V
• First spring module for models LF856 / 856ST /LF876 / 876ST
• Second spring module for models LF860 / LF880
Kit Includes: Spring Module, Bearing, and Cover O-Ring
