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Watts Backflow Preventer Repair Kits: Second Check Kit, 6AUW2 - Repair Kits & Parts for Watts Backflow Preventers
WattsRepair Kits & Parts for Watts Backflow Preventers

Watts Backflow Preventer Repair Kits: Second Check Kit, 6AUW2

The WATTS Backflow Preventer Repair Kits: Second Check Kit (SKU 3G-OTH-436793) is a repair kit for Watts backflow preventers, including a Second Check Module. It is compatible with a 6-inch valve size and the Series…

SKU 3G-OTH-436793

Also listed as: RK757757DCDACK26 · RK 757 757DCDA CK2 6 · RK-757-757DCDA-CK2-6

Brand
Watts
Item
Backflow Preventer Repair Kits: Second Check Kit, 6AUW2
Category
Repair Kits & Parts for Watts Backflow Preventers
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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

Watts
Manufacturer Part Number
RK 757/757DCDA-CK2 6
Type
6AUW2
Includes
Second Check Module
Compatible Valve Size
6 in
Compatible with Series
757DCDA
Compatible with Mfr. Model No.
757DCDA

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-436793) is a repair kit for Watts backflow preventers, including a Second Check Module. It is compatible with a 6-inch valve size and the Series 757DCDA, with manufacturer part number RK 757/757DCDA-CK2 6. This kit is designed for use with Part No. 6AUW2 and Mfr. Model No. 757DCDA.

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 Watts backflow preventer second check kit used for?

The Watts second check kit is a repair component for Watts 757DCDA series backflow preventers. It replaces the second check module in a 6-inch valve assembly, restoring backflow protection in commercial water systems to prevent contamination of potable water supplies.

What are the specifications of the Watts RK 757/757DCDA-CK2 6 second check kit?

This Watts repair kit includes a second check module and is compatible with a 6-inch valve size. It is designed for the Series 757DCDA backflow preventer, with manufacturer part number RK 757/757DCDA-CK2 6. It also matches Part No. 6AUW2 and Mfr. Model No. 757DCDA.

Where to buy Watts backflow preventer repair kits worldwide?

3G Electric supplies Watts backflow preventer repair kits, including the RK 757/757DCDA-CK2 6 second check kit, to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time for your region.

How to install a Watts second check module repair kit?

To install the Watts second check kit, first depressurize and isolate the backflow preventer. Remove the access cover and replace the existing second check module with the new one from the kit. Reassemble the valve and test for proper sealing per local plumbing codes. Always follow Watts installation instructions.

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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