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Watts Backflow Preventer Repair Kits: Complete Rubber Parts Kit, 36JC57/36JC63 - Repair Kits & Parts for Watts Backflow Preventers
WattsRepair Kits & Parts for Watts Backflow Preventers

Watts Backflow Preventer Repair Kits: Complete Rubber Parts Kit, 36JC57/36JC63

The WATTS Backflow Preventer Repair Kits: Complete Rubber Parts Kit (SKU 844GC7, MPN RK 709-RT 8) is a repair kit for Watts backflow preventers. It is compatible with Series 709 and Model 709 valves in an 8-inch…

SKU 3G-OTH-436677

Brand
Watts
Item
Backflow Preventer Repair Kits: Complete Rubber Parts Kit, 36JC57/36JC63
Category
Repair Kits & Parts for Watts Backflow Preventers
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Technical Specifications

Watts
Manufacturer Part Number
RK 709-RT 8
Type
36JC57/36JC63, 709/LF709, 709
Includes
(2) Cover O-Rings
Compatible Valve Size
8 in
Compatible with Series
709
Compatible with Mfr. Model No.
709
Compatible with Grainger Part No.
36JC57
View Full Spec Sheet

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

Product Description

The WATTS Backflow Preventer Repair Kits: Complete Rubber Parts Kit (SKU 844GC7, MPN RK 709-RT 8) is a repair kit for Watts backflow preventers. It is compatible with Series 709 and Model 709 valves in an 8-inch size. The kit includes (2) Cover O-Rings.

Frequently Asked Questions

What is the Watts backflow preventer repair kit RK 709-RT 8 used for?

This complete rubber parts kit is used to repair Watts Series 709 and Model 709 backflow preventers in 8-inch sizes. It replaces worn cover O-rings to restore sealing integrity in commercial and industrial water systems, helping prevent cross-connection contamination.

What are the specifications of the Watts RK 709-RT 8 repair kit?

The kit (MPN RK 709-RT 8) is compatible with Watts Series 709 and Model 709 backflow preventers in an 8-inch valve size. It includes (2) cover O-rings. The kit is designed for the Watts brand and is also compatible with Grainger part number 36JC57.

Where to buy Watts backflow preventer repair kits worldwide?

3G Electric supplies Watts backflow preventer repair kits like the RK 709-RT 8 to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time for your region.

How to install the Watts RK 709-RT 8 repair kit?

To install, first depressurize and drain the backflow preventer. Remove the valve cover, replace the old O-rings with the new (2) cover O-rings from the kit, and reassemble. Follow Watts' generic maintenance guidelines for Series 709 valves to ensure proper sealing and leak-free operation.

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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