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High-resolution image of Febco 905-051 check assembly for Series 765 PVB showing bronze body and components for 1/2" and 3/4" sizes.

Febco 905-051 Check Assembly for Series 765 PVB, 1/2"–3/4"

Brand: Febco
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$77.01
$57.76
SKU 905-051

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Replacement check assembly designed specifically for Febco Series 765 pressure vacuum breakers. This kit fits the 1/2" and 3/4" sizes and restores the unit's check valve and air opening function to protect potable systems from backsiphonage. Suitable for irrigation, cooling towers, laboratories and other applications requiring reliable backflow protection.

  • Bronze body construction: durable material for long service life and corrosion resistance.
  • Complete check assembly: includes check valve components and air opening port designed for Series 765 units.
  • Serviceable in-line: internal parts are accessible from the top for straightforward field servicing and maintenance.
  • Rated performance: maximum working pressure 150 psi (10.3 bar); temperature range 32°F to 140°F (0°C to 60°C).
  • Freeze-protection ready: engineered plastic bonnet and available winterization guidance to reduce freeze risk.
  • Repair compatibility: compatible with FRK 765-CK repair kit for 1/2"–3/4" sizes (see spec sheet).

All Febco Series 765 assemblies are factory-tested for operation. Before ordering confirm model number and size (905-051 for 1/2"–3/4") and follow local code requirements for installation and testing. Installation, specification and maintenance literature are available from the manufacturer to guide correct service and winterization procedures.

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Frequently Asked Questions

What models does this check assembly fit?
Fits Febco Series 765 pressure vacuum breakers in 1/2" and 3/4" sizes (model 905-051).
How do I confirm compatibility with my valve?
Match the assembly SKU (905-051) and Series 765 size; review the product spec sheet before ordering.
Is this assembly lead-free?
No. Series 765 components are bronze and not certified lead-free; confirm suitability with local codes.
Can this part be serviced in the field?
Yes. Internal parts are serviceable in-line from the top; FRK 765-CK repair kit fits 1/2"–3/4" sizes.