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Watts Backflow Preventer Repair Kit: Complete Rubber Parts Kit, 6LL73, 009QT - Repair Kits & Parts for Watts Backflow Preventers
WattsRepair Kits & Parts for Watts Backflow Preventers

Watts Backflow Preventer Repair Kit: Complete Rubber Parts Kit, 6LL73, 009QT

The WATTS Backflow Preventer Repair Kit (SKU 5AJ60) is a complete rubber parts kit designed for Watts backflow preventers. It includes (2) RV Seat O-Rings and is compatible with Series 009 backflow preventers in…

SKU 3G-OTH-436653

Brand
Watts
Item
Backflow Preventer Repair Kit: Complete Rubber Parts Kit, 6LL73, 009QT
Category
Repair Kits & Parts for Watts Backflow Preventers
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Technical Specifications

Watts
Manufacturer Part Number
RK 009 RT 11/4 - 11/2
Type
6LL73, 009QT, Repair Kit, 009
Includes
(2) RV Seat O-Ring
Compatible Valve Size
1-1/4 in to 1-1/2 in
Compatible with Series
009
Compatible with Mfr. Model No.
009QT
Compatible with Grainger Part No.
6LL73
View Full Spec Sheet

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

Product Description

The WATTS Backflow Preventer Repair Kit (SKU 5AJ60) is a complete rubber parts kit designed for Watts backflow preventers. It includes (2) RV Seat O-Rings and is compatible with Series 009 backflow preventers in valve sizes 1-1/4 in to 1-1/2 in, including model 009QT and Grainger Part No. 6LL73.

Frequently Asked Questions

What is the Watts 009 backflow preventer repair kit used for?

The Watts 009 backflow preventer repair kit is used to replace worn rubber components in Watts Series 009 backflow preventers. It includes (2) RV seat O-rings and is designed for valve sizes 1-1/4 in to 1-1/2 in, helping maintain proper sealing and prevent cross-connection contamination in commercial and industrial water systems.

What are the specifications of the Watts backflow preventer repair kit 6LL73?

The Watts backflow preventer repair kit (SKU 5AJ60) includes (2) RV seat O-rings. It is compatible with Series 009 backflow preventers in valve sizes 1-1/4 in to 1-1/2 in, including model 009QT and Grainger Part No. 6LL73. The manufacturer part number is RK 009 RT 11/4 - 11/2.

Where to buy Watts backflow preventer repair kits worldwide?

You can source Watts backflow preventer repair kits worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on the Watts 009 repair kit (SKU 5AJ60) for Series 009 valves.

How to install the Watts 009 backflow preventer repair kit?

To install the Watts 009 repair kit, first depressurize and isolate the backflow preventer. Remove the valve bonnet and internal check assemblies, then replace the old rubber parts with the new (2) RV seat O-rings included in the kit. Reassemble in reverse order and test for leaks per local plumbing codes. Always follow the manufacturer's instructions.

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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