1st or 2nd Check Spring Module

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This is a check spring module for the 4" Febco 850 & 870 double check assemblies, and second check spring module for the 4" Febco 860 & 880 assemblies. This spring module is a self contained assembly and will fit either first or second check in 850 & 870 series. Replace your weak or broken spring with this 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

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