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Watts Backflow Preventer Repair Kits: Second Check Kit, 21/2 757 OSY/3 757 OSY/4 757 OSY - Repair Kits & Parts for Watts Backflow Preventers
WattsRepair Kits & Parts for Watts Backflow Preventers

Watts Backflow Preventer Repair Kits: Second Check Kit, 21/2 757 OSY/3 757 OSY/4 757 OSY

The WATTS Backflow Preventer Repair Kits: Second Check Kit (SKU 3G-OTH-436826) is a repair kit for Watts backflow preventers, specifically designed for the 757DCDA series. It includes a Second Check Module and is…

SKU 3G-OTH-436826

Also listed as: RK757757DCDACK22124 · RK757 757DCDA CK2 21 2 4 · RK757-757DCDA-CK2-21-2-4

Brand
Watts
Item
Backflow Preventer Repair Kits: Second Check Kit, 21/2 757 OSY/3 757 OSY/4 757 OSY
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
RK757/757DCDA-CK2-21/2-4
Type
1KYD7/1KYD9/1KYE2, 757/757DCDA, Repair Kit
Includes
Second Check Module
Compatible Valve Size
2-1/2 in to 4 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-436826) is a repair kit for Watts backflow preventers, specifically designed for the 757DCDA series. It includes a Second Check Module and is compatible with valve sizes from 2-1/2 in to 4 in. The kit is identified by manufacturer part number RK757/757DCDA-CK2-21/2-4 and is compatible with Part No. 1KYE2.

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 repair kit used for?

This repair kit is used to replace the second check module in Watts 757DCDA series backflow preventers. It is essential for maintaining backflow prevention in commercial and industrial water systems, ensuring compliance with cross-connection control regulations.

What are the specifications of the Watts RK757/757DCDA-CK2-21/2-4 repair kit?

The Watts RK757/757DCDA-CK2-21/2-4 repair kit includes a second check module and is compatible with valve sizes from 2-1/2 in to 4 in. It is designed for the 757DCDA series and is identified by Part No. 4 757 OSY.

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 times for the RK757/757DCDA-CK2-21/2-4 kit.

How to install the Watts second check repair kit?

To install the Watts second check repair kit, first isolate the backflow preventer and relieve system pressure. Remove the access cover, extract the old second check module, and insert the new module from the kit. Reassemble the cover and test for proper operation per local codes.

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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