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Top-half replacement kit for Apollo 1 in. PVB: poppet, bonnet, float cage, O-rings, canopy and lubricant, on white background.

Conbraco 4A00507 — 1 in. PVB Float & Bonnet Kit (Top Half)

Brand: Conbraco Industries
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$190.53
$142.90
SKU 4A00507
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Replacement top-half parts kit for 1 in. Apollo Model PVB4A and PVBLF4A pressure vacuum breakers. Use this kit to restore the internal float, poppet and bonnet assemblies and maintain reliable backflow protection for potable water systems.

  • Complete 4A poppet and bonnet parts kit specifically for Apollo 1 in. PVB units.
  • Includes poppet assembly, bonnet assembly, bonnet O-ring, float cage, canopy, and O-ring lubricant for field servicing.
  • Restores proper pressure vacuum breaker operation to prevent back-siphonage and contamination of potable water.
  • Modular check valve cartridge design features a captured spring and replaceable seat for simplified maintenance.
  • Fits Apollo PVB4A and PVBLF4A 1 in. models; intended for top-half replacement and routine repairs.

Refer to the included IOM and submittal sheet for installation diagrams, torque values, and parts identification. This kit supplies internal service components only—valves, handles, or external housings are not included. If local codes require certified backflow testing after service, arrange professional testing and inspection.

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Frequently Asked Questions

What does this kit include for the 1 in. PVB?
Includes poppet assembly, bonnet assembly, bonnet O-ring, float cage, canopy, and O-ring lubricant.
Which models is this kit compatible with?
Compatible with Apollo Model PVB4A and PVBLF4A 1 in. pressure vacuum breakers for top-half service.
Is professional installation or testing required after replacement?
Professional installation is recommended where local codes require certified backflow testing; consult the IOM.