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Watts Backflow Preventer Repair Kits: Second Check Kit, 6AUW5 - Repair Kits & Parts for Watts Backflow Preventers
WattsRepair Kits & Parts for Watts Backflow Preventers

Watts Backflow Preventer Repair Kits: Second Check Kit, 6AUW5

The WATTS Backflow Preventer Repair Kits: Second Check Kit (SKU 3G-OTH-436794, MPN RK 957/957RPDA-CK2 6) is a repair kit for Watts backflow preventers. It includes a Second Check Module and is compatible with a 6 in…

SKU 3G-OTH-436794

Also listed as: RK957957RPDACK26 · RK 957 957RPDA CK2 6 · RK-957-957RPDA-CK2-6

Brand
Watts
Item
Backflow Preventer Repair Kits: Second Check Kit, 6AUW5
Category
Repair Kits & Parts for Watts Backflow Preventers
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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

Watts
Manufacturer Part Number
RK 957/957RPDA-CK2 6
Type
6AUW5
Includes
Second Check Module
Compatible Valve Size
6 in
Compatible with Series
LF957RPDA
Compatible with Mfr. Model No.
957RPDA

Technical Documents

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

Product Description

The WATTS Backflow Preventer Repair Kits: Second Check Kit (SKU 3G-OTH-436794, MPN RK 957/957RPDA-CK2 6) is a repair kit for Watts backflow preventers. It includes a Second Check Module and is compatible with a 6 in valve size, the LF957RPDA series, and the 957RPDA model.

Frequently Asked Questions

What is the Watts backflow preventer second check kit used for?

The Watts second check kit is a repair component for backflow preventers in commercial and industrial water systems. It replaces the second check module in Watts LF957RPDA series and 957RPDA model valves to maintain backflow protection and code compliance.

What are the specifications of the Watts RK 957/957RPDA-CK2 6 kit?

This Watts repair kit includes a second check module and is compatible with a 6 in valve size. It fits the LF957RPDA series and 957RPDA model backflow preventers. The manufacturer part number is RK 957/957RPDA-CK2 6.

Where to buy Watts backflow preventer repair kits worldwide?

3G Electric supplies Watts backflow preventer repair kits like the RK 957/957RPDA-CK2 6 to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time.

How to install a Watts second check kit in a backflow preventer?

Installation of a Watts second check kit requires depressurizing the system and removing the valve cover. Replace the existing second check module with the new one from the kit, ensuring proper seating. Reassemble and test per local plumbing codes.

Used in

Common applications for Watts
Industrial burner gas safety systems — Watts HF2000 filters with GF-series seal kits maintain clean, regulated gas supply to burner pilot and main flame controls
Commercial heating and boiler installations — Modular filter assemblies support preventive maintenance and component replacement without full system shutdown
Process gas delivery pipelines — DN25 through DN125 filter bodies accommodate varying flow rates and inlet pressures across manufacturing and chemical processes
Gas pressure regulation benches — Multi-stage Watts filter platforms integrate with pressure reducers and safety shutoff valves in test and calibration environments
Equipment retrofit and upgrade projects — Available connection sizes and seal kits enable adaptation of newer Watts components into legacy gas control systems
Planned maintenance and spare-parts inventory — Filter seal kits allow facilities to stock consumables in advance, reducing downtime during scheduled gas system servicing

Watts Products

3G Electric supplies Watts repair kits & parts for watts backflow preventers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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