FEBCO Relief Valve Rubber Kit 905-345 for 860/880 (1/2" & 1")

Genuine FEBCO relief valve rubber kit 905-345 for Series 860 and 880 reduced pressure zone (RP) assemblies in 1/2" and 1" sizes. This OEM kit replaces the critical rubber components in the relief valve to restore proper sealing and operation after wear or damage.

• Fits FEBCO Series 860 / 880 RP assemblies (sizes: 1/2" and 1").
• Kit contents: seat ring, gasket ring, seat disc, inner diaphragm, outer diaphragm, 2 slip ring cylinders, O-ring, and a packet of lubricant gel.
• Genuine Febco replacement parts manufactured to OEM specification for reliable fit and performance.
• Designed to address common relief valve failures—restores sealing surfaces and diaphragm function.
• Simple service procedure: regular inspection and replacement of rubber parts helps maintain backflow protection.
• Documents available: installation instructions, relief valve assembly guide, maintenance and freeze-protection manuals.

Order this kit to perform targeted relief-valve repairs and reduce downtime. Always confirm your assembly model and size before ordering. For installation or troubleshooting, consult the supplied manuals or a licensed plumbing professional.