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Watts RK 774/774DCDA-CK2 8-12 Backflow Preventer Repair Kit - Repair Kits & Parts for Watts Backflow Preventers
WattsRepair Kits & Parts for Watts Backflow Preventers

Watts RK 774/774DCDA-CK2 8-12 Backflow Preventer Repair 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
RK 774/774DCDA-CK2 8-12 Backflow Preventer Repair Kit
Part Number
RK 774/774DCDA-CK2 8-12
Category
Repair Kits & Parts for Watts Backflow Preventers
Available to Order
Also known as:RK 774/774DCDA-CK2 8-12Watts
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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
Commercial plumbing – Watts standard capacity water pressure regulators (3/8 LF 26AB) for stabilizing incoming water pressure
Industrial steam systems – Watts 152A series steam pressure regulators for pressure reduction in process and heating lines
Cross-connection control – Watts 757 double check backflow preventers for commercial and industrial water supply protection
Boiler safety – Watts ASME Section XIII temperature and pressure relief valves for overpressure protection in heating systems
Hydronic heating – Watts CP16 pilot-operated pressure regulators for maintaining consistent pressure in steam or water loops
Water hammer mitigation – Watts LF15M2-A water hammer arrestors for absorbing surges in quick-closing valve applications
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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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