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Watts RK 774/774DCDA-CK2 6 Second Check Kit for 6 in Valve - Repair Kits & Parts for Watts Backflow Preventers
WattsRepair Kits & Parts for Watts Backflow Preventers

Watts RK 774/774DCDA-CK2 6 Second Check Kit for 6 in Valve

The WATTS Backflow Preventer Repair Kits: Second Check Kit (SKU 3G-OTH-436868) is a repair kit for Watts backflow preventers, compatible with Series 774DCDA and Mfr. Model No. 774. It includes (2) Cam Check with…

SKU 3G-OTH-436868

Also listed as: RK774774DCDACK26 · RK 774 774DCDA CK2 6 · RK-774-774DCDA-CK2-6

Brand
Watts
Item
RK 774/774DCDA-CK2 6 Second Check Kit for 6 in Valve
Part Number
RK 774/774DCDA-CK2 6
Category
Repair Kits & Parts for Watts Backflow Preventers
Available to Order
Also known as:RK 774/774DCDA-CK2 6Watts
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Technical Specifications

Watts
Manufacturer Part Number
RK 774/774DCDA-CK2 6
Type
36JC74/36JC81
Includes
(2) Cam Check with Check O-Rings
Compatible Valve Size
6 in
Compatible with Series
774DCDA
Compatible with Mfr. Model No.
774

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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-436868) is a repair kit for Watts backflow preventers, compatible with Series 774DCDA and Mfr. Model No. 774. It includes (2) Cam Check with Check O-Rings and is designed for a 6 in compatible valve size, with manufacturer part number RK 774/774DCDA-CK2 6.

Frequently Asked Questions

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

The Watts backflow preventer second check kit is used to repair the second check valve assembly in Watts Series 774DCDA and Model 774 backflow preventers. It is essential for maintaining backflow protection in commercial water systems, ensuring potable water is not contaminated by reverse flow.

What are the specifications of the Watts RK 774/774DCDA-CK2 6 repair kit?

The Watts RK 774/774DCDA-CK2 6 repair kit is compatible with a 6-inch valve size and fits Watts Series 774DCDA and Model 774 backflow preventers. It includes two cam checks with check O-rings. The manufacturer part number is RK 774/774DCDA-CK2 6, and it is also compatible with part number 774-OSY.

Where to buy Watts backflow preventer repair kits worldwide?

Watts backflow preventer repair kits, such as the RK 774/774DCDA-CK2 6, are available to order worldwide through 3G Electric. As a global industrial equipment distributor, 3G Electric handles full logistics, customs clearance, and delivery to your location, ensuring you receive genuine Watts components.

How to install a Watts backflow preventer second check kit?

To install a Watts second check kit, first depressurize the system and remove the access cover. Replace the existing second check assembly with the new cam checks and O-rings from the kit. Ensure proper alignment and secure all fasteners. Always follow the manufacturer's instructions and local plumbing codes for safe 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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