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Wilkins 130N Inlet Housing O-Ring - Fits 34-375 (1/2-3/4 in)

Brand: Zurn Industries, LLC
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$27.08
$20.31
SKU 130N

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Replacement inlet housing O-ring engineered for Wilkins 34-375 reduced-pressure backflow assemblies. Part number 130N is the inlet seal used in OEM repair kits and routine service to keep the assembly leak-free and operating to specification.

  • Part number: 130N — inlet housing O-ring compatible with Wilkins/Zurn 375 series.
  • Compatibility: fits 34-375 (3/4") and 12-375 (1/2") sizes and related 375 series reduced-pressure models covering 1/2"–3/4" service lines.
  • Included in OEM repair kits (for example RK34-375) as the inlet housing seal used during full rebuilds and maintenance.
  • Material: durable rubber O-ring supplied as an OEM-style replacement designed for potable-water backflow assemblies and standard service conditions.
  • Application: replaces worn or damaged inlet seals to stop leaks, restore correct valve seating, and maintain relief-valve performance.
  • Service notes: replace seals on a scheduled maintenance or when annual testing indicates leakage; use manufacturer-approved lubricant and follow Wilkins service instructions or consult a certified technician.

Sold individually as a direct replacement part for field service and shop inventories. Verify your Wilkins model number and service size before ordering; refer to the repair kit exploded view or the manufacturer parts list to confirm fitment.

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Frequently Asked Questions

What Wilkins models does the 130N O-ring fit?
Fits Wilkins 375 series reduced-pressure assemblies covering common 1/2"–3/4" sizes, including 34-375 and related models.
Is the 130N an OEM Zurn Wilkins part?
Yes. Part 130N is the OEM-style inlet housing O-ring used in Zurn Wilkins repair kits for the 375 series.
How do I install the inlet housing O-ring?
Replace with clean sealing surfaces, apply manufacturer-approved lubricant, seat the O-ring evenly, and follow Wilkins service instructions or a certified technician's guidance.
When should I replace this O-ring?
Replace during routine maintenance or annual testing when you observe leakage, hardening, or deformation of the original seal.

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