Febco PVB Bonnet and Poppet Repair Kit for 1"–1¼" Pressure Vacuum Breakers — FE905-212, Complete Seal & Spring Replacement

Febco FE905-212 is a complete bonnet and poppet repair kit containing bonnet, O-ring, spring, E-ring, washer, stem, rubber disc and poppet for 1" and 1¼" pressure vacuum breakers.

This FE905-212 repair kit from Febco provides the factory replacement parts you need to restore the bonnet and poppet assembly on 1" and 1¼" pressure vacuum breakers (PVBs). The kit assembles essential components engineered to fit and function with Febco-style vacuum breakers, enabling on-site service and extending the working life of your backflow prevention device.

What parts are included and why do they matter?

The kit groups every wear-prone element of the bonnet/poppet assembly so you can replace the entire sealing and actuating mechanism at once. Renewing these parts helps restore proper seating, spring tension, and reliable sealing performance.

• Bonnet — replacement housing interface for stem and poppet.
• O-ring and rubber disc — primary sealing elements to prevent leaks.
• Spring and stem — restore correct poppet travel and seating force.
• Poppet, washer and E-ring — mechanical components that ensure stable operation.

How simple is installation for a field technician or plumber?

Installation is intended to be straightforward and requires only common hand tools; the kit is a direct factory replacement so no custom modifications are needed. The parts are configured to drop into the existing bonnet and body, making turnaround quick during routine maintenance visits.

• No specialty tools required — standard wrench and pliers suffice.
• Direct-fit components — engineered to match Febco PVB dimensions.
• Step-replacement approach — replace old parts sequentially for easier assembly.

Will these components withstand frequent cycling and outdoor conditions?

The kit uses materials selected for durability in typical irrigation and plumbing environments, resisting wear from repeated valve operation. While material longevity depends on water quality and exposure, replacing worn internal parts prevents premature failure of the full vacuum breaker assembly.

• Elastomers sized for reliable sealing under pressure cycling.
• Metal parts treated or specified for corrosion resistance.
• Factory matching tolerances reduce abrasive wear and misalignment.

How do I confirm compatibility before ordering?

Verify the model and nominal size stamped on your pressure vacuum breaker body — this kit fits Febco-style 1" and 1¼" PVBs. If your device is a different brand or size, cross-reference Febco part number FE905-212 with your equipment documentation or contact support for confirmation.

• Fits PVB units with 1" and 1¼" inlet/outlet sizing.
• Check body model number #765 or equivalent Febco PVB identifiers.
• Contact Febco or your supplier with photos for cross-checking if unsure.

Who this kit is for: The Febco FE905-212 bonnet/poppet repair kit is designed for plumbing professionals, irrigation technicians, facility maintenance teams and knowledgeable DIYers who service pressure vacuum breakers. It’s ideal when internal wear causes leaking, inconsistent seating, or when routine preventive maintenance calls for replacing vulnerable seals and moving parts to keep a backflow prevention device performing reliably.