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Watts Backflow Preventer Repair Kits: Repair Kit, 6AUW6 - Repair Kits & Parts for Watts Backflow Preventers
WattsRepair Kits & Parts for Watts Backflow Preventers

Watts Backflow Preventer Repair Kits: Repair Kit, 6AUW6

The WATTS Backflow Preventer Repair Kit (SKU 844GH2, MPN ARK HMB/BLT CK2 2.5-3) is a repair kit designed for use with Watts backflow preventers. It is compatible with valve sizes of 2-1/2 in to 3 in and is intended…

SKU 3G-OTH-436847

Brand
Watts
Item
Backflow Preventer Repair Kits: Repair Kit, 6AUW6
Category
Repair Kits & Parts for Watts Backflow Preventers
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Technical Specifications

Watts
Manufacturer Part Number
ARK HMB/BLT CK2 2.5-3
Type
6AUW6
Compatible Valve Size
2-1/2 in to 3 in
Compatible with Series
5000SS
Compatible with Mfr. Model No.
6000HMB
Compatible with Grainger Part No.
6AUW6
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 844GH2, MPN ARK HMB/BLT CK2 2.5-3) is a repair kit designed for use with Watts backflow preventers. It is compatible with valve sizes of 2-1/2 in to 3 in and is intended for Series 5000SS and Model 6000HMB units.

Frequently Asked Questions

What is the Watts backflow preventer repair kit used for?

This repair kit is used to service Watts backflow preventers, specifically Series 5000SS and Model 6000HMB units. It replaces worn internal components to restore proper backflow protection in commercial and industrial water systems, helping maintain cross-connection control and code compliance.

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

The repair kit (MPN ARK HMB/BLT CK2 2.5-3) is compatible with valve sizes 2-1/2 in to 3 in. It is designed for Watts Series 5000SS and Model 6000HMB backflow preventers. The Grainger part number is 6AUW6. It includes seals and gaskets for field maintenance.

Where to buy Watts backflow preventer repair kits worldwide?

3G Electric supplies Watts backflow preventer repair kits worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on the ARK HMB/BLT CK2 2.5-3 kit for Series 5000SS and Model 6000HMB.

How to install a Watts backflow preventer repair kit?

Installation requires depressurizing the system and disassembling the backflow preventer body. Replace all gaskets, seals, and springs from the kit per the manufacturer's instructions. Reassemble and test for proper operation. Always follow local plumbing codes and use a certified technician for critical systems.

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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