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Watts Second Check Valve Repair Kit: Second Check Valve Repair Kit, 429J28/793HF6/793HL3/818DD5 - Repair Kits & Parts for Watts Backflow Preventers
WattsRepair Kits & Parts for Watts Backflow Preventers

Watts Second Check Valve Repair Kit: Second Check Valve Repair Kit, 429J28/793HF6/793HL3/818DD5

The Watts Second Check Valve Repair Kit is a repair kit for Watts backflow preventers, designed for use with the Series 009. It includes a cover O-ring and is compatible with valve sizes from 1/4 in to 1/2 in, as…

SKU 3G-OTH-436665

Brand
Watts
Item
Second Check Valve Repair Kit: Second Check Valve Repair Kit, 429J28/793HF6/793HL3/818DD5
Category
Repair Kits & Parts for Watts Backflow Preventers
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Technical Specifications

Watts
Manufacturer Part Number
009-1/4 - 1/2 2nd Check Kit
Type
429J28/793HF6/793HL3/818DD5, 009
Includes
Cover O-Ring
Compatible Valve Size
1/4 in to 1/2 in
Compatible with Series
009
Compatible with Mfr. Model No.
1/4 - 1/2 009/LF009
Compatible with Grainger Part No.
429J28
View Full Spec Sheet

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

Product Description

The Watts Second Check Valve Repair Kit is a repair kit for Watts backflow preventers, designed for use with the Series 009. It includes a cover O-ring and is compatible with valve sizes from 1/4 in to 1/2 in, as well as model numbers 1/4 - 1/2 009/LF009.

Frequently Asked Questions

What is the Watts Second Check Valve Repair Kit used for?

The Watts Second Check Valve Repair Kit is used to repair the second check valve in Watts Series 009 backflow preventers. It is essential for maintaining backflow prevention in commercial and residential water systems, ensuring compliance with plumbing codes by replacing worn internal components.

What are the specifications of the Watts Second Check Valve Repair Kit?

The Watts Second Check Valve Repair Kit (MPN 009-1/4 - 1/2 2nd Check Kit) includes a cover O-ring. It is compatible with valve sizes from 1/4 in to 1/2 in and fits Watts Series 009 and LF009 models. It also matches Grainger Part No. 429J28.

Where to buy the Watts Second Check Valve Repair Kit worldwide?

You can source the Watts Second Check Valve Repair Kit through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead time.

How to install the Watts Second Check Valve Repair Kit?

To install the Watts Second Check Valve Repair Kit, first depressurize the backflow preventer and remove the second check valve assembly. Replace the old components with the new kit, ensuring the cover O-ring is properly seated. Reassemble and test for leaks per standard plumbing practices.

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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