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Watts Backflow Preventer Repair Kits: Complete Rubber Parts Kit, 36JC66, 719/LF719 - Repair Kits & Parts for Watts Backflow Preventers
WattsRepair Kits & Parts for Watts Backflow Preventers

Watts Backflow Preventer Repair Kits: Complete Rubber Parts Kit, 36JC66, 719/LF719

The WATTS Backflow Preventer Repair Kits: Complete Rubber Parts Kit (SKU 844GD1, MPN RK 719-RT 3/4) is a repair kit for Watts backflow preventers. It is compatible with Series 719 and model LF719, and includes (2)…

SKU 3G-OTH-436783

Brand
Watts
Item
Backflow Preventer Repair Kits: Complete Rubber Parts Kit, 36JC66, 719/LF719
Category
Repair Kits & Parts for Watts Backflow Preventers
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Technical Specifications

Watts
Manufacturer Part Number
RK 719-RT 3/4
Type
36JC66, 719/LF719, Repair Kit, 719
Includes
(2) Check Seat O-Rings
Compatible Valve Size
3/4 in
Compatible with Series
719
Compatible with Mfr. Model No.
LF719
Compatible with Grainger Part No.
36JC66
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 844GD1, MPN RK 719-RT 3/4) is a repair kit for Watts backflow preventers. It is compatible with Series 719 and model LF719, and includes (2) Check Seat O-Rings. The kit is designed for a 3/4 in compatible valve size.

Frequently Asked Questions

What is the Watts backflow preventer repair kit RK 719-RT 3/4 used for?

This repair kit is used to replace worn rubber components in Watts Series 719 and LF719 backflow preventers. It includes (2) Check Seat O-Rings and is designed for a 3/4 in valve size, helping maintain proper backflow prevention in commercial and residential water systems.

What are the specifications of the Watts RK 719-RT 3/4 repair kit?

The Watts RK 719-RT 3/4 repair kit is compatible with a 3/4 in valve size and fits Series 719 and model LF719 backflow preventers. It includes (2) Check Seat O-Rings. The manufacturer part number is RK 719-RT 3/4, and it is also compatible with Grainger part number 36JC66.

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 719-RT 3/4 kit for your maintenance needs.

How to install the Watts RK 719-RT 3/4 repair kit?

To install the Watts RK 719-RT 3/4 repair kit, first depressurize and isolate the backflow preventer. Remove the old check seat O-rings and replace them with the new ones from the kit. Reassemble the valve and test for proper operation. Always follow the manufacturer's instructions for your specific model.

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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