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Watts Backflow Preventer Repair Kits: First Check Kit, 1KYD2/1KYD7/1KYD9, 757/757DCDA - Repair Kits & Parts for Watts Backflow Preventers
WattsRepair Kits & Parts for Watts Backflow Preventers

Watts Backflow Preventer Repair Kits: First Check Kit, 1KYD2/1KYD7/1KYD9, 757/757DCDA

The Watts First Check Kit (MPN RK757/DCDA-CK1-RS 21/2-4) is a repair kit for Watts 757 and 757DCDA series backflow preventers. It includes a red silicone disc elastomer and is compatible with valve sizes 2-1/2 in to…

SKU 3G-OTH-436844

Brand
Watts
Item
Backflow Preventer Repair Kits: First Check Kit, 1KYD2/1KYD7/1KYD9, 757/757DCDA
Category
Repair Kits & Parts for Watts Backflow Preventers
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Technical Specifications

Watts
Manufacturer Part Number
RK757/DCDA-CK1-RS 21/2-4
Type
1KYD2/1KYD7/1KYD9, 757/757DCDA, Repair Kit
Includes
Red Silicone Disc Elastomer
Compatible Valve Size
2-1/2 in to 4 in
Compatible with Series
757DCDA
Compatible with Mfr. Model No.
757
Compatible with Grainger Part No.
1KYD2
View Full Spec Sheet

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

Product Description

The Watts First Check Kit (MPN RK757/DCDA-CK1-RS 21/2-4) is a repair kit for Watts 757 and 757DCDA series backflow preventers. It includes a red silicone disc elastomer and is compatible with valve sizes 2-1/2 in to 4 in.

Frequently Asked Questions

What is the Watts First Check Kit used for?

The Watts First Check Kit (RK757/DCDA-CK1-RS 21/2-4) is a repair kit for Watts 757 and 757DCDA series backflow preventers. It includes a red silicone disc elastomer and is compatible with valve sizes 2-1/2 in to 4 in. It is used to restore check valve function in commercial and industrial water systems.

What are the specifications of the Watts First Check Kit?

The Watts First Check Kit (MPN RK757/DCDA-CK1-RS 21/2-4) includes a red silicone disc elastomer. It is compatible with Watts 757 and 757DCDA series backflow preventers and fits valve sizes 2-1/2 in to 4 in. It is also compatible with Grainger Part No. 1KYD2.

Where to buy Watts First Check Kit worldwide?

3G Electric supplies the Watts First Check Kit (RK757/DCDA-CK1-RS 21/2-4) worldwide. As a global industrial solutions provider, we handle logistics, customs, and delivery to your location. Contact us for availability and lead time on this genuine Watts repair kit.

How to install the Watts First Check Kit?

Installation of the Watts First Check Kit (RK757/DCDA-CK1-RS 21/2-4) should follow the manufacturer's instructions for Watts 757 or 757DCDA series backflow preventers. Typically, this involves depressurizing the system, removing the old check assembly, and replacing the red silicone disc elastomer. Always consult a qualified technician.

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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