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Watts RK 709-RT 2-1/2-3 Repair Kit for Series 709 Backflow Preventers - Repair Kits & Parts for Watts Backflow Preventers
WattsRepair Kits & Parts for Watts Backflow Preventers

Watts RK 709-RT 2-1/2-3 Repair Kit for Series 709 Backflow Preventers

The WATTS Backflow Preventer Repair Kits: Complete Rubber Parts Kit (SKU 3G-OTH-436843) is a repair kit for Watts backflow preventers, compatible with Series 709 and model LF709. It includes (2) Cover O-Rings and…

SKU 3G-OTH-436843

Also listed as: RK709RT2123 · RK 709 RT 2 1 2 3 · RK-709-RT-2-1-2-3

Brand
Watts
Item
RK 709-RT 2-1/2-3 Repair Kit for Series 709 Backflow Preventers
Part Number
RK 709-RT 2-1/2-3
Category
Repair Kits & Parts for Watts Backflow Preventers
Available to Order
Also known as:RK 709-RT 2-1/2-3Watts
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Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

Watts
Manufacturer Part Number
RK 709-RT 2-1/2-3
Type
36JC53/36JC54/36JC59/36JC60, 709
Includes
(2) Cover O-Rings
Compatible Valve Size
2-1/2 in to 3 in
Compatible with Series
709
Compatible with Mfr. Model No.
LF709

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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-436843) is a repair kit for Watts backflow preventers, compatible with Series 709 and model LF709. It includes (2) Cover O-Rings and fits valve sizes 2-1/2 in to 3 in, with manufacturer part number RK 709-RT 2-1/2-3.

Frequently Asked Questions

What is the Watts backflow preventer repair kit used for?

The Watts backflow preventer repair kit is used to replace worn rubber parts in Watts Series 709 and LF709 backflow preventers. It includes cover O-rings and fits valve sizes 2-1/2 in to 3 in, helping maintain system integrity and prevent cross-contamination in commercial and industrial water systems.

What are the specifications of the Watts RK 709-RT 2-1/2-3 repair kit?

The Watts RK 709-RT 2-1/2-3 repair kit includes (2) Cover O-Rings. It is compatible with valve sizes 2-1/2 in to 3 in, Series 709, and model LF709. The manufacturer part number is RK 709-RT 2-1/2-3, and it is also compatible with Part No. LF709-OSY.

Where to buy Watts backflow preventer repair kits worldwide?

3G Electric supplies Watts backflow preventer repair kits worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us to source the RK 709-RT 2-1/2-3 kit for your Watts Series 709 or LF709 backflow preventer.

How to install a Watts backflow preventer repair kit?

To install the Watts repair kit, first depressurize and isolate the backflow preventer. Remove the valve cover and replace the old rubber parts with the new cover O-rings from the kit. Reassemble the valve and test for leaks per local plumbing codes. Always follow the manufacturer's instructions for safe installation.

Used in

Common applications for Watts
Commercial plumbing – Watts standard capacity water pressure regulators (3/8 LF 26AB) for stabilizing incoming water pressure
Industrial steam systems – Watts 152A series steam pressure regulators for pressure reduction in process and heating lines
Cross-connection control – Watts 757 double check backflow preventers for commercial and industrial water supply protection
Boiler safety – Watts ASME Section XIII temperature and pressure relief valves for overpressure protection in heating systems
Hydronic heating – Watts CP16 pilot-operated pressure regulators for maintaining consistent pressure in steam or water loops
Water hammer mitigation – Watts LF15M2-A water hammer arrestors for absorbing surges in quick-closing valve applications
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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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