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Watts Backflow Preventer Repair Kits: First or Second Check Kit - Repair Kits & Parts for Watts Backflow Preventers
WattsRepair Kits & Parts for Watts Backflow Preventers

Watts Backflow Preventer Repair Kits: First or Second Check Kit

The WATTS Backflow Preventer Repair Kits: First or Second Check Kit (MPN RK 774/774DCDA-CK2 8-12) is a repair kit for Watts backflow preventers. It includes (2) Cam Check with Check O-Rings and is compatible with…

SKU 3G-OTH-436787

Also listed as: RK774774DCDACK2812 · RK 774 774DCDA CK2 8 12 · RK-774-774DCDA-CK2-8-12

Brand
Watts
Item
Backflow Preventer Repair Kits: First or Second Check Kit
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 774/774DCDA-CK2 8-12
Includes
(2) Cam Check with Check O-Rings
Compatible Valve Size
8 in to 12 in
Compatible with Series
774DCDA
Compatible with Mfr. Model No.
774

Technical Documents

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

Product Description

The WATTS Backflow Preventer Repair Kits: First or Second Check Kit (MPN RK 774/774DCDA-CK2 8-12) is a repair kit for Watts backflow preventers. It includes (2) Cam Check with Check O-Rings and is compatible with valve sizes 8 in to 12 in, Series 774DCDA, and Mfr. Model No. 774.

Frequently Asked Questions

What is the Watts backflow preventer repair kit RK 774/774DCDA-CK2 8-12 used for?

This repair kit is used to replace the first or second check assembly in Watts 774 and 774DCDA series backflow preventers. It is designed for commercial and industrial water systems to maintain backflow protection and prevent contamination of potable water supplies.

What are the specifications of the Watts RK 774/774DCDA-CK2 8-12 repair kit?

The kit includes (2) Cam Check with Check O-Rings. It is compatible with valve sizes 8 in to 12 in, Watts Series 774DCDA, and Mfr. Model No. 774. The manufacturer part number is RK 774/774DCDA-CK2 8-12, and it is compatible with Part No. 774-NRS.

Where to buy Watts backflow preventer repair kits worldwide?

3G Electric supplies Watts backflow preventer repair kits 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 on the RK 774/774DCDA-CK2 8-12 kit.

How to install the Watts RK 774/774DCDA-CK2 8-12 check kit?

Installation requires shutting off water supply and depressurizing the system. Remove the old check assembly from the backflow preventer, then install the new cam check and o-rings from the kit. Follow Watts' generic maintenance guidelines for proper torque and testing after installation.

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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WATTS Backflow Preventer Repair Kits: First Check Kit, 774-NRS/774-OSY, 6 in Compatible Valve Size (MPN RK 774/774DCDA-CK1 6)
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