Denkuhin 905-212 Bonnet & Poppet Repair Kit for 765-1 inch Backflow Preventer & Vacuum Breaker

Product overview

Denkuhin 905-212 Bonnet and Poppet Repair Kit for 765-1 inch backflow preventer and vacuum breaker offers a targeted solution for restoring sealing surfaces and check valves in outdoor sprinkler systems. It is designed to help prevent freeze damage to the bronze valve body and to address common leaks that can occur over time.

Whether maintaining a residential lawn setup or a larger irrigation system, this kit provides a practical path to reviving performance without replacing entire assemblies. The included bonnet assembly and related components renew critical seals and restore control within the valve.

What’s included

• O-ring
• Spring
• E-ring
• Washer
• Stem
• Rubber disc

Compatibility & benefits

• Fits 765 Series 1 inch PVB backflow preventers and 1-1/4 inch FVB backflow preventers; part number 905212
• Designed to reduce leakage and maintain system integrity by renewing critical seals
• Durable construction supports outdoor sprinkler use and long-term reliability

Installation is straightforward with common hand tools. Start by closing the inlet and outlet valves, remove the old bonnet, and install the new bonnet spool assembly. After assembly, reopen the valve slowly and verify steady operation with no splashing.

Why choose Denkuhin

Denkuhin focuses on practical home and outdoor solutions. Their parts aim to help you maintain irrigation systems efficiently, emphasizing reliability and value. If you have questions or issues, reach out to the Denkuhin Store team for support.

Usage tips

• Double-check model compatibility before ordering to ensure the correct parts
• Hand-tighten the top nut, then snug with a tool to avoid over-tightening
• Test the system for leaks after installation to confirm there are no drips or splashes