Replacing the Bonnet and Poppet
If you’ve identified issues with the bonnet and poppet, such as freezing, worn-out seals, O-ring problems, or damage, it’s important to replace them promptly. Here’s a step-by-step guide on how to do this:
1. Shut Off the Water: Close the ball valve shutoffs on both sides of the preventer to stop the water supply.
2. Release Pressure: Open the relief valve to release any built-up pressure within the system.
3. Disassemble the Preventer: Carefully disassemble the bonnet and poppet components. Be sure to note the order in which they were removed to aid in reassembly.
4. Inspect and Replace: Examine the removed bonnet and poppet for damage or wear. Replace them if necessary.
5. Reassemble the Preventer: Carefully reassemble the preventer in the reverse order of disassembly, ensuring all components are securely in place.
6. Test the Preventer: Turn the water supply back on and test the preventer to ensure it’s functioning properly.
In Conclusion
Backflow preventers are integral to maintaining a clean and safe water supply. By understanding their components, performing regular inspections, and following proper maintenance procedures, you can ensure their continued effectiveness. Whether you’re dealing with a FEBCO 765 backflow preventer or a similar model, these tips will help you keep your water system in top condition and protect against the risk of contamination. Remember that timely maintenance and replacement of key components, like the bonnet and poppet, are essential for the reliable operation of your backflow preventer.
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