This is a single check disc assembly for the 6" Febco LF850, LF856, 856ST, LF860, LF866, LF870, LF876, LF880, & LF886 Series assemblies. This disc assembly will fit either the first or second check kit. This is a vulcanized clapper disc style rubber and is a direct 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.