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Watts Backflow Preventer Repair Kits: First or Second Check Kit, 36JC67 - Repair Kits & Parts for Watts Backflow Preventers
WattsRepair Kits & Parts for Watts Backflow Preventers

Watts Backflow Preventer Repair Kits: First or Second Check Kit, 36JC67

The WATTS Backflow Preventer Repair Kits: First or Second Check Kit (SKU 3G-OTH-436790) is a repair kit for Watts backflow preventers, compatible with Series RK-LF719 and Model No. LF719. It includes a spring O-ring…

SKU 3G-OTH-436790

Also listed as: RK719CK41 · RK 719 CK4 1 · RK-719-CK4-1

Brand
Watts
Item
Backflow Preventer Repair Kits: First or Second Check Kit, 36JC67
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 719-CK4 1
Type
36JC67
Includes
Spring O-Ring
Compatible Valve Size
1 in
Compatible with Series
RK-LF719
Compatible with Mfr. Model No.
LF719

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 (SKU 3G-OTH-436790) is a repair kit for Watts backflow preventers, compatible with Series RK-LF719 and Model No. LF719. It includes a spring O-ring and is designed for a 1 in compatible valve size, with manufacturer part number RK 719-CK4 1.

Frequently Asked Questions

What is the Watts backflow preventer repair kit used for?

This Watts repair kit is used to service backflow preventers in commercial and industrial water systems. It replaces worn first or second check components to maintain backflow protection and code compliance. 3G Electric supplies this kit for facilities requiring reliable cross-connection control.

What are the specifications of the Watts RK 719-CK4 1 repair kit?

The Watts RK 719-CK4 1 repair kit is designed for a 1 in compatible valve size and includes a spring O-ring. It is compatible with Series RK-LF719 and Model No. LF719 backflow preventers. The manufacturer part number is RK 719-CK4 1.

Where to buy Watts backflow preventer repair kits worldwide?

3G Electric supplies Watts backflow preventer repair kits worldwide. As a global industrial solutions provider, we handle logistics, customs clearance, and delivery to your site. Contact us to order the RK 719-CK4 1 kit for your water system maintenance needs.

How to install a Watts backflow preventer check kit?

Installation of a Watts check kit requires depressurizing the system, removing the valve bonnet, and replacing the old check assembly with the new spring O-ring and components. Always follow the manufacturer's instructions and local plumbing codes. 3G Electric can supply the correct kit for your Watts LF719 series.

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 or Second Check Kit, 36JC70, 2 in Compatible Valve Size (MPN RK 719-CK4 2)
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