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Watts Backflow Preventer Repair Kits: First or Second Check Kit, 36JC56/36JC62 - Repair Kits & Parts for Watts Backflow Preventers
WattsRepair Kits & Parts for Watts Backflow Preventers

Watts Backflow Preventer Repair Kits: First or Second Check Kit, 36JC56/36JC62

The WATTS Backflow Preventer Repair Kits: First or Second Check Kit is a repair kit for Watts backflow preventers, including a Disc and Spring Assembly. It is compatible with a 6 in valve size and the RK-LF709…

SKU 3G-OTH-436754

Also listed as: LFRK709CK46 · LFRK 709 CK4 6 · LFRK-709-CK4-6

Brand
Watts
Item
Backflow Preventer Repair Kits: First or Second Check Kit, 36JC56/36JC62
Category
Repair Kits & Parts for Watts Backflow Preventers
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

Watts
Manufacturer Part Number
LFRK 709-CK4 6
Type
36JC56/36JC62, 709/LF709, RK-LF709
Includes
Disc and Spring Assembly
Compatible Valve Size
6 in
Compatible with Series
RK-LF709
Compatible with Mfr. Model No.
709

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 is a repair kit for Watts backflow preventers, including a Disc and Spring Assembly. It is compatible with a 6 in valve size and the RK-LF709 series, fitting model 709 and part number 36JC62. The manufacturer part number is LFRK 709-CK4 6.

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 includes a disc and spring assembly to replace worn first or second check components, helping maintain backflow protection and compliance with plumbing codes.

What are the specifications of the Watts LFRK 709-CK4 6 repair kit?

The Watts LFRK 709-CK4 6 repair kit is compatible with a 6 in valve size and the RK-LF709 series. It fits model 709 and OEM part number 36JC62. The kit includes a disc and spring assembly for first or second check repair.

Where to buy Watts backflow preventer repair kits worldwide?

3G Electric supplies Watts backflow preventer repair kits worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on the LFRK 709-CK4 6 kit.

How to install a Watts backflow preventer check kit?

Installation of a Watts check kit should follow the manufacturer's instructions for the 709 series. Typically, isolate the valve, relieve pressure, remove the old disc and spring assembly, and install the new components. Always test the assembly per local codes after service.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
WATTS Backflow Preventer Repair Kits: First or Second Check Kit, 36JC58/36JC64, 709/LF709, RK-LF709 (MPN LFRK 709-CK4 10)
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WATTS Backflow Preventer Repair Kits: First or Second Check Kit, 36JC58/36JC64, 709/LF709, RK-LF709 (MPN LFRK 709-CK4 10)
WATTS Backflow Preventer Repair Kits: First or Second Check Kit, 36JC57/36JC63, 709/LF709, RK-LF709 (MPN LFRK 709-CK4 8)
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WATTS Backflow Preventer Repair Kits: First or Second Check Kit, 36JC57/36JC63, 709/LF709, RK-LF709 (MPN LFRK 709-CK4 8)
WATTS Backflow Preventer Repair Kits: First or Second Check Kit, 36JC55/36JC61, 709/LF709, RK-LF709 (MPN LFRK 709-CK4 4)
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WATTS Backflow Preventer Repair Kits: First or Second Check Kit, 36JC55/36JC61, 709/LF709, RK-LF709 (MPN LFRK 709-CK4 4)
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WATTS Backflow Preventer Repair Kits: First or Second Check Kit, 36JC65, 719/LF719, RK-LF719 (MPN RK 719-CK4-1/2)
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WATTS Backflow Preventer Repair Kits: First or Second Check Kit, 36JC65, 719/LF719, RK-LF719 (MPN RK 719-CK4-1/2)

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