Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

WILKINS Repair Kit: Repair Kit, 6AVY5/834D28/834D42, 2 1/2 in/3 in Compatible Valve Size - Repair Kits & Parts for Zurn Backflow Preventers
WILKINSRepair Kits & Parts for Zurn Backflow Preventers

WILKINS Repair Kit: Repair Kit, 6AVY5/834D28/834D42, 2 1/2 in/3 in Compatible Valve Size

The WILKINS Repair Kit (SKU 3G-OTH-427815, MPN RK212-350CK2) is a repair kit for Zurn backflow preventers, including a No. 2 Check Assembly. It is compatible with 2-1/2 in valve sizes, Series 475, and Mfr. Model No…

SKU 3G-OTH-427815

Also listed as: RK212350CK2 · RK212 350CK2

Brand
WILKINS
Item
Repair Kit: Repair Kit, 6AVY5/834D28/834D42, 2 1/2 in/3 in Compatible Valve Size
Category
Repair Kits & Parts for Zurn Backflow Preventers
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

WILKINS
Manufacturer Part Number
RK212-350CK2
Type
6AVY5/834D28/834D42, 2 1/2 in/3 in Compatible Valve Size, Repair Kit
Includes
No. 2 Check Assembly
Compatible Valve Size
2-1/2 in
Compatible with Series
475
Compatible with Mfr. Model No.
3-375OSY

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

WILKINS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WILKINS Repair Kit (SKU 3G-OTH-427815, MPN RK212-350CK2) is a repair kit for Zurn backflow preventers, including a No. 2 Check Assembly. It is compatible with 2-1/2 in valve sizes, Series 475, and Mfr. Model No. 3-375OSY.

Frequently Asked Questions

What is the WILKINS Repair Kit RK212-350CK2 used for?

The WILKINS Repair Kit RK212-350CK2 is used to service Zurn backflow preventers, specifically models in Series 475 and the 3-375OSY. It includes a No. 2 Check Assembly to restore proper check-valve function, preventing reverse flow in commercial water systems.

What are the specifications of the WILKINS Repair Kit RK212-350CK2?

The WILKINS Repair Kit (MPN RK212-350CK2) is compatible with 2-1/2 in valve sizes, Series 475, and Mfr. Model No. 3-375OSY. It includes a No. 2 Check Assembly and is compatible with OEM Part No. 6AVY5. It is a genuine WILKINS-brand repair component.

Where to buy the WILKINS Repair Kit RK212-350CK2 worldwide?

You can source the WILKINS Repair Kit RK212-350CK2 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring the repair kit reaches your facility reliably.

How to install the WILKINS Repair Kit RK212-350CK2?

To install the WILKINS Repair Kit RK212-350CK2, first depressurize and isolate the backflow preventer. Remove the old check assembly and replace it with the included No. 2 Check Assembly. Reassemble the valve and test for proper sealing per local plumbing codes.

Used in

Common applications for WILKINS
Commercial water distribution — WILKINS 600XL series pressure reducing valves for regulating supply pressure in multi-story buildings.
Irrigation systems — WILKINS 975XL2 backflow preventers to protect potable water from contamination in agricultural setups.
Industrial process control — WILKINS 375ST reduced pressure principle backflow preventers for cross-connection control in manufacturing plants.
Municipal water treatment — WILKINS low-lead pressure regulators like the 1-600XL3DU for compliance with potable water standards.
HVAC systems — WILKINS 112-NR3XLDULU regulators for maintaining consistent water pressure in heating and cooling loops.
Fire protection systems — WILKINS backflow preventers for backflow prevention in sprinkler and standpipe systems.

WILKINS Products

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
WILKINS Repair Kit: Repair Kit, 213XX2/834D51/834D52, 3 in/4 in Compatible Valve Size, Repair Kit (MPN RK4-350ASTCK2)
WILKINS
WILKINS Repair Kit: Repair Kit, 213XX2/834D51/834D52, 3 in/4 in Compatible Valve Size, Repair Kit (MPN RK4-350ASTCK2)
WILKINS Repair Kit: Repair Kit, 213XZ5/213ZP2, 6 in Compatible Valve Size, Repair Kit, 350AST/375AST (MPN RK6-350ASTCK2)
WILKINS
WILKINS Repair Kit: Repair Kit, 213XZ5/213ZP2, 6 in Compatible Valve Size, Repair Kit, 350AST/375AST (MPN RK6-350ASTCK2)
WILKINS Repair Kit: Repair Kit, 213YT8/834D57/834D58, 10 in/8 in Compatible Valve Size, Repair Kit (MPN RK8-350ASTCK2)
WILKINS
WILKINS Repair Kit: Repair Kit, 213YT8/834D57/834D58, 10 in/8 in Compatible Valve Size, Repair Kit (MPN RK8-350ASTCK2)
WILKINS Repair Kit: Repair Kit, 213XZ6/213ZP2/213ZP6, 6 in Compatible Valve Size, Repair Kit (MPN RK6-375ASTCK1)
WILKINS
WILKINS Repair Kit: Repair Kit, 213XZ6/213ZP2/213ZP6, 6 in Compatible Valve Size, Repair Kit (MPN RK6-375ASTCK1)
WILKINS Repair Kit: Repair Kit, 2 1/2 in/3 in/4 in Compatible Valve Size, Repair Kit (MPN RK4-375ASTCK1)
WILKINS
WILKINS Repair Kit: Repair Kit, 2 1/2 in/3 in/4 in Compatible Valve Size, Repair Kit (MPN RK4-375ASTCK1)
WILKINS Backflow Preventer Repair Kit: Second Check Assembly Repair Kit, 213YA4/213ZE8, Repair Kit (MPN RK6-350CK2)
WILKINS
WILKINS Backflow Preventer Repair Kit: Second Check Assembly Repair Kit, 213YA4/213ZE8, Repair Kit (MPN RK6-350CK2)

More from WILKINS

View all WILKINS parts
WILKINS Repair Kit: Repair Kit, 213YP0/834D32/834D36/834D37/834D39, Repair Kit, 950XL/950XLT/950XLT2 (MPN RK114-950XLR)
WILKINS
WILKINS Repair Kit: Repair Kit, 213YP0/834D32/834D36/834D37/834D39, Repair Kit, 950XL/950XLT/950XLT2 (MPN RK114-950XLR)
WILKINS Backflow Preventer Repair Kit: Poppet Assembly, 1 1/4 in Compatible Valve Size, 975XL/975XL2 (MPN 954-300S)
WILKINS
WILKINS Backflow Preventer Repair Kit: Poppet Assembly, 1 1/4 in Compatible Valve Size, 975XL/975XL2 (MPN 954-300S)
WILKINS Backflow Preventer Repair Kit: Complete Repair Kit, 801H87, 1 in Compatible Valve Size (MPN RK2-950XL3)
WILKINS
WILKINS Backflow Preventer Repair Kit: Complete Repair Kit, 801H87, 1 in Compatible Valve Size (MPN RK2-950XL3)
WILKINS Repair Kit: Repair Kit, 213XX2/834D50/834D51/834D52, Lubricant/No. 1 Check Assembly/Retainer (MPN RK4-350ASTCK1)
WILKINS
WILKINS Repair Kit: Repair Kit, 213XX2/834D50/834D51/834D52, Lubricant/No. 1 Check Assembly/Retainer (MPN RK4-350ASTCK1)
WILKINS Backflow Preventer Repair Kit: Complete Repair Kit, 801H86, 1 in Compatible Valve Size (MPN RK1-975XL3)
WILKINS
WILKINS Backflow Preventer Repair Kit: Complete Repair Kit, 801H86, 1 in Compatible Valve Size (MPN RK1-975XL3)
WILKINS Backflow Preventer Repair Kit: Repair Kit, 801H86, 1 in Compatible Valve Size, 1-975XL3 (MPN RK1-975XL3R)
WILKINS
WILKINS Backflow Preventer Repair Kit: Repair Kit, 801H86, 1 in Compatible Valve Size, 1-975XL3 (MPN RK1-975XL3R)
WILKINS
WILKINS
WILKINS Repair Kit: Repair Kit, 213XZ5/834D49, 6 in Compatible Valve Size, 6-350AST/6-350ASTDA (MPN RK6-350ASTCK1)
WILKINS Repair Kit: Repair Kit, 1 1/4 in to 2 in Compatible Valve Size, 950, Repair Kit, 950 (MPN RK114-950)
WILKINS
WILKINS Repair Kit: Repair Kit, 1 1/4 in to 2 in Compatible Valve Size, 950, Repair Kit, 950 (MPN RK114-950)