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