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Close-up of Febco 905-211 bonnet and poppet repair kit for Model 765 pressure vacuum breaker, showing bonnet, poppet and O-rings; fits 1/2 and 3/4 inch models.

Febco 905-211 Bonnet & Poppet Kit for 765 (1/2–3/4 in)

Brand: Febco
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$106.18
$79.64
SKU 905-211
In Stock (59)

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Febco 905-211 Bonnet/Poppet Kit is a direct-fit repair kit for the Febco 765 series pressure vacuum breakers (models 765-050 and 765-075). Designed for professional and homeowner servicing, the kit restores bonnet and poppet components to factory-style function so the assembly can maintain proper air inlet and check valve operation that prevents backsiphonage. Refer to the included installation, specification and maintenance documents for model-specific instructions and freeze-protection guidance. Maximum working pressure: 150 psi (10.3 bar).

  • Direct fit for Febco 765 PVB: Compatible with models 765-050 (1/2") and 765-075 (3/4").
  • Complete repair parts included: bonnet assembly, poppet assembly, stem with spring, O‑rings (new and old style where applicable), washer, nut and lubricant.
  • Restores air-inlet function: Replaces worn or damaged bonnet/poppet parts to re-establish reliable sealing and air admission performance.
  • Service guidance: Use the kit lubricant on the bonnet O‑ring before assembly and hand-tighten the bonnet; consult the installation instructions for torque and freeze-protection steps.
  • OEM-style quality: Offered as a genuine Febco repair kit or direct-fit equivalent; parts are made to meet the dimensional and functional requirements of the Febco 765 series.
  • Routine maintenance solution: Ideal for seasonal servicing after freeze events, inspections, or whenever bonnet or poppet damage is observed.

This repair kit provides the essential components to return a 765 pressure vacuum breaker to proper operation and help protect potable water from backsiphonage. Keep the installation and maintenance manuals handy during service, and replace worn seals and poppet components promptly to maintain system reliability.

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Frequently Asked Questions

What Febco models does this kit fit?
Fits Febco 765 series pressure vacuum breakers, specifically models 765-050 (1/2") and 765-075 (3/4").
What parts are included in the 905-211 kit?
Includes bonnet assembly, poppet assembly, stem with spring, O‑rings, washer, nut and a small tube of lubricant for the bonnet O‑ring.
Any special installation instructions I should follow?
Apply the supplied lubricant to the bonnet O‑ring, hand-tighten the bonnet, and follow the included installation and freeze-protection manuals for model-specific steps.