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Febco Cover O-Ring (SKU 39622970) - 1" Backflow Seal

Brand: Febco
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$14.46
$10.84
SKU 39622970

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Replacement cover O-ring designed for Febco 1" backflow assemblies. This OEM‑fit part restores the cover seal and helps prevent leaks where the bonnet or cover meets the body.

  • Compatibility: Fits Febco 1" backflow models including 860, 880 and RP 850 DC—verify your model stamp before ordering.
  • OEM fit: Manufactured to match Febco cover-seat dimensions for a proper seal and reliable operation.
  • Function: Restores watertight performance at the cover/bonnet interface to prevent seepage and maintain system integrity.
  • What's included: One cover O-ring (single piece), sold by the unit. Check the SKU before purchase.
  • Installation note: Replacement requires access to the backflow cover; if uncertain, use a certified plumber or backflow technician.
  • Maintenance tip: Inspect seals during regular backflow service and replace if hardened, cracked, or deformed.

If you need help confirming fit, reference the model and serial number stamped on your backflow assembly and contact our support team with the SKU 39622970. Keep your system compliant by using OEM-specified parts where required.

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Frequently Asked Questions

What Febco models is this O-ring compatible with?
Compatible with Febco 1" models 860, 880 and RP 850 DC; verify the model stamp before ordering.
How should I replace the cover O-ring?
Replacement involves removing the cover/bonnet; if you lack experience, hire a certified plumber to avoid damage.
Will this O-ring fit non-Febco backflow assemblies?
This O-ring follows Febco OEM fit; fitment on other brands may vary—confirm dimensions or consult support.