Febco 905-042 Check Rubber for 805Y & 825Y (3/4"–1-1/4")

Febco 905-042 is a genuine replacement check rubber designed for use with Febco Series 805Y and 825Y backflow assemblies. This OEM rubber sealing component restores proper seat sealing and reliable operation for 3/4", 1" and 1-1/4" assemblies, helping maintain system integrity and prevent backflow in potable water applications.

• Direct fit for Febco 805Y and 825Y models in 3/4", 1" and 1-1/4" sizes.
• OEM-quality rubber compound engineered for sealing performance and longevity.
• Restores proper check seat sealing to prevent leakage and ensure code compliance.
• Simple replacement—serviceable with standard tools and Febco maintenance instructions.
• Recommended for routine repair and during rebuilds or after valve inspection.
• Compatible with potable water systems; consult local codes and Febco literature before installation.

Documents: Installation instructions, specification sheet, and maintenance manuals are available from the product listing to guide correct replacement and service procedures. If you have questions about fit or service, contact a qualified backflow technician.