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Watts Backflow Preventer Repair Kits: Complete Rubber Parts Kit, LF709-NRS/LF709-OSY - Repair Kits & Parts for Watts Backflow Preventers
WattsRepair Kits & Parts for Watts Backflow Preventers

Watts Backflow Preventer Repair Kits: Complete Rubber Parts Kit, LF709-NRS/LF709-OSY

The WATTS Backflow Preventer Repair Kits: Complete Rubber Parts Kit (SKU RK 709-RT 8, 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

Also listed as: RK709RT8 · RK 709 RT 8 · RK-709-RT-8

Brand
Watts
Item
Backflow Preventer Repair Kits: Complete Rubber Parts Kit, LF709-NRS/LF709-OSY
Category
Repair Kits & Parts for Watts Backflow Preventers
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

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

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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 RK 709-RT 8, 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 part number LF709-NRS.

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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