WILKINS Backflow Preventer Repair Kit: Rubber Repair Kit, 6AVY0, 375/375ST/375XL
The WILKINS Rubber Repair Kit (SKU 6CUN9, MPN RK34-375R) is a repair kit for Zurn backflow preventers, compatible with Series 375, 375ST, and 375XL models. It includes a Second Check Seal Ring and fits valve sizes…
SKU 3G-OTH-427818
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Product Description
The WILKINS Rubber Repair Kit (SKU 6CUN9, MPN RK34-375R) is a repair kit for Zurn backflow preventers, compatible with Series 375, 375ST, and 375XL models. It includes a Second Check Seal Ring and fits valve sizes from 1/2 in to 3/4 in.
Frequently Asked Questions
What is the WILKINS RK34-375R repair kit used for?
The WILKINS RK34-375R rubber repair kit is used to service Zurn backflow preventers in Series 375, 375ST, and 375XL. It includes a Second Check Seal Ring and fits valve sizes from 1/2 in to 3/4 in, helping maintain backflow prevention in commercial and industrial water systems.
What are the specifications of the WILKINS RK34-375R repair kit?
The WILKINS RK34-375R repair kit (SKU 6CUN9) is compatible with valve sizes 1/2 in to 3/4 in and fits Series 375, 375ST, and 375XL backflow preventers. It includes a Second Check Seal Ring and is identified by Grainger Part No. 6AVY0 and manufacturer part number RK34-375R.
Where to buy the WILKINS RK34-375R repair kit worldwide?
3G Electric supplies the WILKINS RK34-375R repair kit worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this genuine Zurn-compatible repair kit to your facility, regardless of location.
How to install the WILKINS RK34-375R repair kit?
To install the WILKINS RK34-375R repair kit, first depressurize and isolate the backflow preventer. Remove the valve cover, replace the old seal ring with the included Second Check Seal Ring, and reassemble. Always follow the manufacturer's instructions for your specific Series 375 model to ensure proper sealing.
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3G Electric supplies WILKINS repair kits & parts for zurn backflow preventers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















