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Wilkins 218N O-Ring for 375 Backflow — 1" Housing Outlet

Wilkins 218N O-Ring for 375 Backflow — 1" Housing Outlet

Brand: Zurn Industries, LLC
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$24.94
$18.71
SKU 218N

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Replacement O-ring designed for the Wilkins 375 backflow preventer. Sized for the 1" housing outlet, this dependable seal restores proper sealing and helps prevent leaks during routine service and repairs.

  • Compatible model: Fits Wilkins 375 series housing outlet with a 1-inch connection for proper sealing and consistent operation.
  • Reliable material: Precision-molded elastomer resists compression set and typical exposure found in irrigation and potable water systems.
  • Simple installation: Remove the housing, replace the O-ring, apply a light silicone lubricant, then reassemble and test for leaks.
  • Maintenance-ready: Ideal for routine maintenance and repair kits to maintain backflow preventer performance and prevent cross-connections.
  • Order details: Sold as a single replacement part; confirm model and connection size before purchase. SKU: 218N.

If you need help confirming compatibility, contact technical support with your model number and SKU before ordering.

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Frequently Asked Questions

What Wilkins models does this 218N O-ring fit?
Compatible with Wilkins 375 series housing outlet (1" connection); verify your model number before ordering.
How should I install the 218N O-ring correctly?
Shut off water, remove housing, replace O-ring, apply light silicone lubricant, reassemble and test for leaks.
How often should I replace this O-ring part?
Inspect during annual maintenance; replace if cracked, flattened, or showing signs of leakage—intervals vary by usage.

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