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Watts Backflow Preventer Repair Kits: Repair Kit, 6000HMB Hydrant BFP - Repair Kits & Parts for Watts Backflow Preventers
WattsRepair Kits & Parts for Watts Backflow Preventers

Watts Backflow Preventer Repair Kits: Repair Kit, 6000HMB Hydrant BFP

The WATTS Backflow Preventer Repair Kit (SKU ARK HMB/BLT CK1 2.5-3, MPN ARK HMB/BLT CK1 2.5-3) is a repair kit for Watts backflow preventers, compatible with valve sizes 2-1/2 in to 3 in. It is designed for use with…

SKU 3G-OTH-436876

Also listed as: ARKHMBBLTCK1253 · ARK HMB BLT CK1 2 5 3 · ARK-HMB-BLT-CK1-2-5-3

Brand
Watts
Item
Backflow Preventer Repair Kits: Repair Kit, 6000HMB Hydrant BFP
Category
Repair Kits & Parts for Watts Backflow Preventers
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Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

Watts
Manufacturer Part Number
ARK HMB/BLT CK1 2.5-3
Type
6AUW6
Compatible Valve Size
2-1/2 in to 3 in
Compatible with Series
5000SS
Compatible with Mfr. Model No.
4000BLT

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

Product Description

The WATTS Backflow Preventer Repair Kit (SKU ARK HMB/BLT CK1 2.5-3, MPN ARK HMB/BLT CK1 2.5-3) is a repair kit for Watts backflow preventers, compatible with valve sizes 2-1/2 in to 3 in. It is designed for use with the Watts Series 5000SS and Mfr. Model No. 4000BLT, and corresponds to Part No. 6AUW6.

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 restores proper sealing and check-valve function, helping maintain cross-connection control and compliance with plumbing codes. 3G Electric supplies this kit for worldwide delivery.

What are the specifications of the Watts ARK HMB/BLT CK1 2.5-3 repair kit?

The Watts repair kit (MPN ARK HMB/BLT CK1 2.5-3) is compatible with valve sizes 2-1/2 in to 3 in. It works with Watts Series 5000SS and Model 4000BLT backflow preventers. The cross-reference is Part No. 6000HMB Hydrant BFP. 3G Electric sources this genuine Watts kit globally.

Where to buy a Watts backflow preventer repair kit worldwide?

3G Electric supplies the Watts ARK HMB/BLT CK1 2.5-3 repair kit to customers worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your facility. Contact us for a quote and lead time on this genuine Watts part.

How to install a Watts backflow preventer repair kit?

Installation requires depressurizing the system, removing the old internal components, and replacing them with the new kit parts per Watts instructions. Always follow local plumbing codes and use proper tools. 3G Electric provides this genuine Watts kit; consult a licensed plumber for installation.

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: Repair Kit, 6000HMB Hydrant BFP, 2 1/2 in to 3 in Compatible Valve Size (MPN ARK HMB/BLT VT 2.5-3)
Watts
WATTS Backflow Preventer Repair Kits: Repair Kit, 6000HMB Hydrant BFP, 2 1/2 in to 3 in Compatible Valve Size (MPN ARK HMB/BLT VT 2.5-3)
WATTS Backflow Preventer Repair Kits: Repair Kit, 6000HMB Hydrant BFP, 2 1/2 in to 3 in Compatible Valve Size (MPN ARK HMB/BLT CK2 2.5-3)
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WATTS Backflow Preventer Repair Kits: Repair Kit, 6000HMB Hydrant BFP, 2 1/2 in to 3 in Compatible Valve Size (MPN ARK HMB/BLT CK2 2.5-3)
WATTS Backflow Preventer Repair Kits: First Check Kit, 757 OSY 6, 6 in Compatible Valve Size, Repair Kit (MPN RK 757/757DCDA-CK1 6)
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WATTS Backflow Preventer Repair Kits: First Check Kit, 757 OSY 6, 6 in Compatible Valve Size, Repair Kit (MPN RK 757/757DCDA-CK1 6)
Repair kit for Watts Series 757 and 757DCDA backflow preventers with 8-inch valve size. Includes red silicone disc elastomer for first check valve assembly replacement. Used in commercial water systems to maintain backflow protection
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Repair kit for Watts Series 757 and 757DCDA backflow preventers with 8-inch valve size. Includes red silicone disc elastomer for first check valve assembly replacement. Used in commercial water systems to maintain backflow protection
Repair kit for Watts Series 957 and Model 757 backflow preventers. Includes a check module O-ring. Compatible with 6-inch valve sizes. Used to replace worn check module components in commercial water systems
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Repair kit for Watts Series 957 and Model 757 backflow preventers. Includes a check module O-ring. Compatible with 6-inch valve sizes. Used to replace worn check module components in commercial water systems
This repair kit includes a second check module for Watts 757DCDA series backflow preventers. Compatible with 6-inch valve assemblies, it is used to replace worn or failed check modules in commercial water systems to maintain backflow protection
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This repair kit includes a second check module for Watts 757DCDA series backflow preventers. Compatible with 6-inch valve assemblies, it is used to replace worn or failed check modules in commercial water systems to maintain backflow protection

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Repair kit for Watts backflow preventers, includes cover O-ring. Compatible with Series RK-SS009 and model SS009M3. Fits valve sizes from 1/4 in to 3/4 in. Used to replace check assembly and cover O-ring in backflow prevention systems
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Repair kit for Watts Series 007 backflow preventers, compatible with valve sizes 1-1/2 in to 2 in and model 007MIQTS-S. Includes a cover O-ring. Used to replace worn rubber components during servicing of backflow preventers in water systems
This total relief kit is designed for use with Watts Series 909 backflow preventers with an 8-inch valve size, including model 8 LF909M1. The kit includes a stem O-ring for replacing worn internal components. It is suitable for maintaining relief valve function in water systems
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This total relief kit is designed for use with Watts Series 909 backflow preventers with an 8-inch valve size, including model 8 LF909M1. The kit includes a stem O-ring for replacing worn internal components. It is suitable for maintaining relief valve function in water systems
This repair kit is designed for servicing Watts Series 909 backflow preventers with a 4-inch valve size, including model 4 LF909. It contains a sleeve O-ring to replace worn components and restore proper sealing. Used in commercial and industrial water systems to maintain backflow protection
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This repair kit is designed for servicing Watts Series 909 backflow preventers with a 4-inch valve size, including model 4 LF909. It contains a sleeve O-ring to replace worn components and restore proper sealing. Used in commercial and industrial water systems to maintain backflow protection
This repair kit is designed for servicing the first check assembly in Watts Series 009 backflow preventers. It includes a check assembly and is compatible with 3/4 in valve sizes, fitting models 3/4 009M3 and LF009M3. Used in commercial and residential water systems to maintain backflow prevention
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This repair kit is designed for servicing the first check assembly in Watts Series 009 backflow preventers. It includes a check assembly and is compatible with 3/4 in valve sizes, fitting models 3/4 009M3 and LF009M3. Used in commercial and residential water systems to maintain backflow prevention
This total relief kit is designed for use with Watts Series 009 backflow preventers, compatible with M2 valve sizes. It includes a cover O-ring and is intended for replacing worn relief valve components in models such as 2 009M2 and LF009M2
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This total relief kit is designed for use with Watts Series 009 backflow preventers, compatible with M2 valve sizes. It includes a cover O-ring and is intended for replacing worn relief valve components in models such as 2 009M2 and LF009M2
This repair kit is for servicing the first check valve in Watts 009 series backflow preventers. It includes a cover O-ring and is compatible with 2-inch valve sizes, fitting models 2 009M2 and LF009M2. Used in commercial and industrial water systems to maintain backflow prevention
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This repair kit is for servicing the first check valve in Watts 009 series backflow preventers. It includes a cover O-ring and is compatible with 2-inch valve sizes, fitting models 2 009M2 and LF009M2. Used in commercial and industrial water systems to maintain backflow prevention
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Repair kit for Watts 007 series backflow preventers. Includes cover O-ring. Compatible with 1/2 in valve size and model 1/2 LF007. Used to replace worn rubber parts in backflow prevention assemblies