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Watts Backflow Preventer Repair Kits: Complete Rubber Parts Kit, 6AUW5 - Repair Kits & Parts for Watts Backflow Preventers
WattsRepair Kits & Parts for Watts Backflow Preventers

Watts Backflow Preventer Repair Kits: Complete Rubber Parts Kit, 6AUW5

The WATTS Complete Rubber Parts Kit (SKU 844GC4, MPN RK 957/957RPDA-RT 6) is a repair kit for Watts backflow preventers, compatible with Series LF957RPDA and Model 957RPDA. It includes a Relief Valve Piston Assembly…

SKU 3G-OTH-436811

Brand
Watts
Item
Backflow Preventer Repair Kits: Complete Rubber Parts Kit, 6AUW5
Category
Repair Kits & Parts for Watts Backflow Preventers
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Technical Specifications

Watts
Manufacturer Part Number
RK 957/957RPDA-RT 6
Type
6AUW5
Includes
Relief Valve Piston Assembly
Compatible Valve Size
6 in
Compatible with Series
LF957RPDA
Compatible with Mfr. Model No.
957RPDA
Compatible with Grainger Part No.
6AUW5
View Full Spec Sheet

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

Product Description

The WATTS Complete Rubber Parts Kit (SKU 844GC4, MPN RK 957/957RPDA-RT 6) is a repair kit for Watts backflow preventers, compatible with Series LF957RPDA and Model 957RPDA. It includes a Relief Valve Piston Assembly and is designed for a 6-inch compatible valve size.

Frequently Asked Questions

What is the Watts backflow preventer repair kit RK 957/957RPDA-RT 6 used for?

This repair kit is used to service Watts backflow preventers in commercial and industrial water systems. It replaces worn rubber parts and includes a relief valve piston assembly to restore proper backflow protection, preventing contamination of potable water supplies.

What are the specifications of the Watts RK 957/957RPDA-RT 6 repair kit?

The kit is compatible with a 6-inch valve size and fits Watts Series LF957RPDA and Model 957RPDA backflow preventers. It includes a relief valve piston assembly and is identified by MPN RK 957/957RPDA-RT 6 and Grainger part number 6AUW5.

Where to buy Watts backflow preventer repair kits worldwide?

3G Electric supplies Watts repair kits like the RK 957/957RPDA-RT 6 to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this genuine Watts component.

How to install the Watts RK 957/957RPDA-RT 6 repair kit?

Installation requires depressurizing the system and disassembling the backflow preventer per Watts instructions. Replace all rubber parts and the relief valve piston assembly from the kit, then reassemble and test for leaks. Always follow local plumbing codes and manufacturer guidelines.

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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