Febco 905-355 Complete Rubber Kit for Series 860/880 (1/2-3/4")

Febco 905-355 is a complete rubber repair kit designed for Febco Series 860 and 880 reduced-pressure (RPA) assemblies in 1/2"-3/4" sizes. The kit provides all OEM rubber components needed to restore valve seals and diaphragm performance, helping extend service life and maintain proper backflow protection in irrigation, fireline, and industrial applications. End connections on the assemblies are NPT per ANSI/ASME B1.20.1.

• Compatible with: Febco Series 860 and 880 (1/2"-3/4").
• Kit contents: check discs, check O-rings, body O-ring, relief valve (RV) diaphragm, inner diaphragm, RV seat disc, RV seat, RV seat O-ring, small RV O-ring, slip rings and lube.
• Restoration benefits: restores sealing surfaces, prevents leaks, and supports reliable relief valve operation.
• Materials: OEM-grade rubber and elastomers selected for durability and chemical resistance.
• Field-ready: parts are supplied for in-place rebuilds using standard tools.
• Documents included: installation instructions, maintenance manual, relief valve assembly instructions, and freeze protection guidance.

Order the 905-355 kit for scheduled maintenance or emergency repairs. Replace worn rubber parts following the manufacturer's instructions and applicable local codes. After rebuild, have the assembly tested by a certified backflow tester to verify proper operation.