We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

WILKINS Backflow Preventer Repair Kit: Second Check Assembly Repair Kit, 213YA4/213ZE8 - Repair Kits & Parts for Zurn Backflow Preventers
WILKINSRepair Kits & Parts for Zurn Backflow Preventers

WILKINS Backflow Preventer Repair Kit: Second Check Assembly Repair Kit, 213YA4/213ZE8

The WILKINS Backflow Preventer Repair Kit (SKU 3G-OTH-427839) is a second check assembly repair kit designed for Zurn backflow preventers. It includes (2) check assemblies and is compatible with a 6 in valve size…

SKU 3G-OTH-427839

Also listed as: RK6350CK2 · RK6 350CK2

Brand
WILKINS
Item
Backflow Preventer Repair Kit: Second Check Assembly Repair Kit, 213YA4/213ZE8
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 — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

WILKINS
Manufacturer Part Number
RK6-350CK2
Type
213YA4/213ZE8, Repair Kit
Includes
(2) Check Assembly
Compatible Valve Size
6 in
Compatible with Series
350DA
Compatible with Mfr. Model No.
375DA

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 Backflow Preventer Repair Kit (SKU 3G-OTH-427839) is a second check assembly repair kit designed for Zurn backflow preventers. It includes (2) check assemblies and is compatible with a 6 in valve size, Series 350DA, and Mfr. Model No. 375DA. The manufacturer part number is RK6-350CK2.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the WILKINS Backflow Preventer Repair Kit RK6-350CK2 used for?

This repair kit is used to service Zurn backflow preventers, specifically replacing the second check assembly in models like the 350DA and 375DA. It helps maintain backflow prevention in commercial water systems, ensuring compliance with plumbing codes and preventing contamination of potable water supplies.

What are the specifications of the WILKINS RK6-350CK2 repair kit?

The WILKINS RK6-350CK2 is a second check assembly repair kit compatible with a 6 in valve size. It includes (2) check assemblies and is designed for Series 350DA and Mfr. Model No. 375DA backflow preventers. The manufacturer part number is RK6-350CK2, and it is also compatible with Part No. 213YA4.

Where to buy the WILKINS RK6-350CK2 repair kit worldwide?

3G Electric supplies the WILKINS RK6-350CK2 repair kit worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this genuine WILKINS repair kit for Zurn backflow preventers.

How to install the WILKINS second check assembly repair kit?

To install the WILKINS RK6-350CK2 kit, first isolate the backflow preventer and relieve pressure. Remove the old second check assembly from the valve body, then insert the new (2) check assemblies included in the kit. Reassemble the valve and test for proper operation per local plumbing codes. Always follow manufacturer guidelines.

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 Backflow Preventer Repair Kit: First Check Assembly Repair Kit, 213XY6/213XZ7, Repair Kit (MPN RK6-350CK1)
WILKINS
WILKINS Backflow Preventer Repair Kit: First Check Assembly Repair Kit, 213XY6/213XZ7, Repair Kit (MPN RK6-350CK1)
WILKINS Backflow Preventer Repair Kit: Second Check Assembly Repair Kit, 350/375/450/475, Repair Kit (MPN RK4-350CK2)
WILKINS
WILKINS Backflow Preventer Repair Kit: Second Check Assembly Repair Kit, 350/375/450/475, Repair Kit (MPN RK4-350CK2)
WILKINS Backflow Preventer Repair Kit: Check Assembly Repair Kit, 213WX7/213XC5/213ZR3/213ZT0 (MPN RK8-350CK2)
WILKINS
WILKINS Backflow Preventer Repair Kit: Check Assembly Repair Kit, 213WX7/213XC5/213ZR3/213ZT0 (MPN RK8-350CK2)
WILKINS Backflow Preventer Repair Kit: First Check Assembly Repair Kit, 213WX7/213XC5/213ZR3/213ZT0 (MPN RK8-350CK1)
WILKINS
WILKINS Backflow Preventer Repair Kit: First Check Assembly Repair Kit, 213WX7/213XC5/213ZR3/213ZT0 (MPN RK8-350CK1)
WILKINS Repair Kit: Repair Kit, 6-350ASTOSY/6-375AST/213ZP6, 6 in Compatible Valve Size, Repair Kit (MPN RK6-375ASTCK1)
WILKINS
WILKINS Repair Kit: Repair Kit, 6-350ASTOSY/6-375AST/213ZP6, 6 in Compatible Valve Size, Repair Kit (MPN RK6-375ASTCK1)
Repair kit for Zurn backflow preventers, includes No. 2 Check Assembly. Compatible with 2-1/2 in valve sizes, Series 475, and Model 3-375OSY. Used to restore check-valve function in commercial water systems
WILKINS
Repair kit for Zurn backflow preventers, includes No. 2 Check Assembly. Compatible with 2-1/2 in valve sizes, Series 475, and Model 3-375OSY. Used to restore check-valve function in commercial water systems

More from WILKINS

View all WILKINS parts
This repair kit includes a poppet assembly for servicing check valves in backflow preventers. Compatible with 6-inch valves, Series 375A, and Model 475DA. Used in commercial water systems to maintain backflow protection
WILKINS
This repair kit includes a poppet assembly for servicing check valves in backflow preventers. Compatible with 6-inch valves, Series 375A, and Model 475DA. Used in commercial water systems to maintain backflow protection
Relief valve repair kit for Zurn backflow preventers, compatible with Series 975XL3 and Model 34-975XL3. Includes relief valve plunger-upper. Fits valve sizes 1/2 in to 1 in. Used for maintenance of backflow prevention assemblies in water supply systems
WILKINS
Relief valve repair kit for Zurn backflow preventers, compatible with Series 975XL3 and Model 34-975XL3. Includes relief valve plunger-upper. Fits valve sizes 1/2 in to 1 in. Used for maintenance of backflow prevention assemblies in water supply systems
Repair kit for Zurn 950XL series backflow preventers. Includes two seal rings. Compatible with valve sizes 3/4 in to 1 in. Fits models 225GX6, 225GY7, 801HD6, 834D33, 834D34, 834D38, and 1-950XLT2. Used for maintenance of backflow prevention assemblies in water supply systems
WILKINS
Repair kit for Zurn 950XL series backflow preventers. Includes two seal rings. Compatible with valve sizes 3/4 in to 1 in. Fits models 225GX6, 225GY7, 801HD6, 834D33, 834D34, 834D38, and 1-950XLT2. Used for maintenance of backflow prevention assemblies in water supply systems
Repair kit for Zurn backflow preventers, compatible with 1 in valve sizes and the 975XL3 series including model 2-975XL3. Includes a relief valve cup seal. Used for servicing backflow preventers in water systems
WILKINS
Repair kit for Zurn backflow preventers, compatible with 1 in valve sizes and the 975XL3 series including model 2-975XL3. Includes a relief valve cup seal. Used for servicing backflow preventers in water systems
Repair kit for Zurn backflow preventers, compatible with 975XL3 series and model 34-975XL3. Includes relief valve seat O-ring. For 1-inch valve size. Used in commercial and industrial water systems to maintain backflow prevention
WILKINS
Repair kit for Zurn backflow preventers, compatible with 975XL3 series and model 34-975XL3. Includes relief valve seat O-ring. For 1-inch valve size. Used in commercial and industrial water systems to maintain backflow prevention
Repair kit for Zurn backflow preventers, compatible with 8-inch valves in Series 375A and Model 475DA. Includes a Seat Assembly First Popper. Used to restore sealing function in commercial water systems, preventing reverse flow contamination
WILKINS
Repair kit for Zurn backflow preventers, compatible with 8-inch valves in Series 375A and Model 475DA. Includes a Seat Assembly First Popper. Used to restore sealing function in commercial water systems, preventing reverse flow contamination
Repair kit for Zurn backflow preventers, includes relief valve diaphragm. Compatible with valve sizes 1-1/4 in to 2 in, Series 975XL2, and Mfr. Model No. 114-975XL. Used for servicing backflow preventers in water systems
WILKINS
Repair kit for Zurn backflow preventers, includes relief valve diaphragm. Compatible with valve sizes 1-1/4 in to 2 in, Series 975XL2, and Mfr. Model No. 114-975XL. Used for servicing backflow preventers in water systems
Repair kit for Zurn backflow preventers, including O-rings. Compatible with valve sizes 1-1/4 in to 2 in. Designed for use with 350XL series models such as 2-350XL and types 454N90/454N91/454N94/454N95. Used for maintenance of backflow prevention assemblies in water systems
WILKINS
Repair kit for Zurn backflow preventers, including O-rings. Compatible with valve sizes 1-1/4 in to 2 in. Designed for use with 350XL series models such as 2-350XL and types 454N90/454N91/454N94/454N95. Used for maintenance of backflow prevention assemblies in water systems