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.
