Febco 901-217 Bonnet Stem - 710/715 AVB, 1/2 in

Replacement Febco bonnet stem (901-217) for Series 710/715 atmospheric vacuum breakers. Designed as a direct replacement part for 1/2 in (15 mm) valves, this bronze bonnet stem restores reliable poppet operation and maintains the device’s backflow protection.

• Fits Series 710 and 715 AVBs — 1/2 in (15 mm) size.
• Bronze construction for corrosion resistance; lightweight plastic poppets for reliable sealing.
• Rated for maximum working pressure of 150 psi (10.3 bar) for typical cold-water use.
• Ideal for hose bibs, turf irrigation, laboratory sinks, chemical vats, and X‑ray tanks.
• Serviceable replacement part — install from the top of the unit per manufacturer instructions.

Refer to the included installation instructions and the Febco specification sheet for detailed dimensions, temperature limits, and service procedures. Purchase this OEM bonnet stem to keep your 710/715 AVB performing to manufacturer standards; consult the spec sheet for compatibility with higher-temperature or continuous-pressure systems.

Installation and servicing are straightforward when following manufacturer guidance. Use the supplied installation instructions and specification sheet linked on the product page to confirm torque values, gasket replacement, and any model-specific notes. For warranty information or technical assistance, consult Febco documentation or contact an authorized distributor.