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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 3G-OTH-436782) is a repair kit for Watts backflow preventers, compatible with Series 709 and model LF709. It includes (2) Cover O-Rings and is…

SKU 3G-OTH-436782

Also listed as: RK709RT4 · RK 709 RT 4 · RK-709-RT-4

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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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

Watts
Manufacturer Part Number
RK 709-RT 4
Type
36JC55/36JC61, 709/LF709, 709
Includes
(2) Cover O-Rings
Compatible Valve Size
4 in
Compatible with Series
709
Compatible with Mfr. Model No.
LF709

Technical Documents

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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 3G-OTH-436782) is a repair kit for Watts backflow preventers, compatible with Series 709 and model LF709. It includes (2) Cover O-Rings and is designed for a 4 in valve size, with manufacturer part number RK 709-RT 4.

Frequently Asked Questions

What is the Watts backflow preventer repair kit RK 709-RT 4 used for?

This repair kit is used to service Watts Series 709 and LF709 backflow preventers with a 4-inch valve size. It contains replacement rubber parts, including two cover O-rings, to restore sealing performance and prevent cross-connection contamination in commercial water systems.

What are the specifications of the Watts RK 709-RT 4 repair kit?

The Watts RK 709-RT 4 is a complete rubber parts kit for 4-inch backflow preventers. It is compatible with Series 709 and model LF709, includes two cover O-rings, and carries manufacturer part number RK 709-RT 4. The kit is designed for Watts brand equipment.

Where to buy Watts backflow preventer repair kits worldwide?

3G Electric supplies Watts backflow preventer repair kits, including the RK 709-RT 4, 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 repair kit.

How to install the Watts RK 709-RT 4 repair kit?

To install the Watts RK 709-RT 4 kit, depressurize the system and remove the valve cover. Replace the old rubber parts with the new cover O-rings included in the kit. Reassemble and test for leaks per standard backflow preventer maintenance procedures. Always follow local plumbing codes.

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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