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Close-up of Febco 901-551 internal poppet assembly kit for 1½" atmospheric vacuum breaker, showing kit components and layout.

Febco Internal Poppet Assembly Kit - 1½" (901-551)

Brand: Febco
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$138.07
$103.55
SKU 901-551

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Genuine Febco internal poppet assembly kit engineered to restore sealing and operation for a 1½-inch atmospheric vacuum breaker. This complete repair kit contains all parts required to replace the poppet assembly and return the valve to reliable service without sourcing individual components.

  • OEM replacement parts: All components are original Febco parts designed for compatibility and fit.
  • Fits 1½" atmospheric vacuum breakers: Specifically intended for 1-1/2 inch AVB units that use the 901-551 internal kit.
  • Complete poppet assembly: Includes every internal piece necessary to rebuild the poppet for proper valve operation.
  • Restores valve performance: Replaces worn components to recover proper sealing and help prevent backflow conditions.
  • Durable, high-quality materials: Parts are manufactured to Febco standards for dependable service life under normal conditions.
  • Service-friendly installation: Designed for straightforward replacement during routine maintenance or service calls.

Ideal for maintenance technicians and plumbing professionals who need a dependable OEM repair option. Inspect the valve seat and sealing surfaces during replacement and follow local codes; professional installation is recommended when required by code or when in doubt.

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Frequently Asked Questions

What does this internal kit include?
All parts necessary to replace the poppet assembly of a 1-1/2" atmospheric vacuum breaker; it is a complete OEM repair kit.
Will this fit my Febco 1-1/2" vacuum breaker?
This 901-551 kit is intended for Febco 1-1/2" atmospheric vacuum breakers that use the 901-551 internal assembly; verify your valve model.
Can I install the kit myself or need a plumber?
An experienced DIYer with basic plumbing tools can perform the swap, but professional installation is recommended for safety and code compliance.