This is a complete check assembly for the 4" Febco LF850, LF856, 856ST, LF860, LF880, & LF876V assemblies. This check kit includes all internal parts for the first or second check assembly. Simply unbolt the old check assembly and bolt in this new replacement. Genuine Febco repair kit. No special tools are required for servicing.
**Notice: The original Febco 860 & 880 and LF860 & LF880 use different parts. Please be sure which model you have before ordering. The LF860 & LF880 can be identified by an epoxy coated relief valve body. The original 860 & 880 series had a bronze relief valve body.