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Thaekuns 905211 905-211 Bonnet Repair Kit for Febco 765 Pressure Vacuum Breakers and Backflow Preventers,1/2 Inch and 3/4 Inch

4.8 (2) Write Review
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$14.99

$ 7 .99 $7.99

In Stock
  • Brand New - Unused Parts
  • Fits 1/2" and 3/4" pressure vacuum breakers
  • This Kit include Parts as below: bonnet, O-ring, spring, E-ring, washer, stem, rubber disc and poppet
  • FUNCTION: Ideal for installing sprinkler systems, where cold weather can easily cause lines to age and break and bonnets to become damaged. Specially designed repair kits can effectively help repair check valves and prevent prevent toxic or non-toxic liquids from backsiphoning. Timely replacement of new parts can reduce leakage and protect the system from complete damage.
  • EASY INSTALLATION: Maintenance does not require special tools can be easily installed in a short time, the valve cover part of the outer ring of the two pits are the interface of the large wrench, installation care not to over-tighten the small nut.


Product Description

905211 905-211 Bonnet Repair Kit for Febco 765 Pressure Vacuum Breakers and Backflow Preventers

Before the installation:

  1. please clean up the debris in the valve.
  2. Close the bottom valve handle and turn it to the level to close the water outlet;
  3. Unscrew the small nut on the bell, and open the bell;
  4. Open the plastic bonnet and remove internal debris. There should be no plastic fragments inside the device (special attention: do not remove the metal piece at the bottom of the reset device to prevent the spring under it from hurting you);
  5. Replace with new bonnet and poppet valve kit and tighten by hand;
  6. Place the bell on top of the metal screw, and then tighten the small nut. Be careful not to tighten it too tightly, just twist it by hand, just to fix the metal bell on the device, and keep a certain tension

Robert A. Read
Reviewed in the United States on April 8, 2025
Fit perfectly . Very high quality
LVT
Reviewed in the United States on June 2, 2024
Replaced parts within my Febco 765 3/4 inch backflow preventer that started leaking due to rubber rings cracking. Parts matching, working as expected.