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Watts Backflow Preventer Repair Kits: Complete Rubber Parts Kit, 809GC6, 919/LF919 - Repair Kits & Parts for Watts Backflow Preventers
WattsRepair Kits & Parts for Watts Backflow Preventers

Watts Backflow Preventer Repair Kits: Complete Rubber Parts Kit, 809GC6, 919/LF919

This WATTS Complete Rubber Parts Kit is a repair kit designed for Watts backflow preventers. It includes (2) Check Seat O-Rings and is compatible with valve size 3/4 in, Series RK-919, and Mfr. Model No. LF919 (MPN…

SKU 3G-OTH-436731

Brand
Watts
Item
Backflow Preventer Repair Kits: Complete Rubber Parts Kit, 809GC6, 919/LF919
Category
Repair Kits & Parts for Watts Backflow Preventers
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Technical Specifications

Watts
Manufacturer Part Number
RK 919-RT 3/4
Type
809GC6, 919/LF919, Repair Kit
Includes
(2) Check Seat O-Rings
Compatible Valve Size
3/4 in
Compatible with Series
RK-919
Compatible with Mfr. Model No.
LF919
Compatible with Grainger Part No.
809GC6
View Full Spec Sheet

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

Product Description

This WATTS Complete Rubber Parts Kit is a repair kit designed for Watts backflow preventers. It includes (2) Check Seat O-Rings and is compatible with valve size 3/4 in, Series RK-919, and Mfr. Model No. LF919 (MPN RK 919-RT 3/4).

Frequently Asked Questions

What is the Watts RK 919-RT 3/4 repair kit used for?

This Watts repair kit is used to replace worn rubber components in backflow preventers, specifically the check seat o-rings. It helps maintain proper sealing and prevent backflow contamination in commercial and residential plumbing systems. The kit is compatible with Watts LF919 and Series RK-919 backflow preventers.

What are the specifications of the Watts RK 919-RT 3/4 repair kit?

The Watts RK 919-RT 3/4 repair kit includes (2) Check Seat O-Rings. It is compatible with valve size 3/4 in, Series RK-919, and Mfr. Model No. LF919. The manufacturer part number is RK 919-RT 3/4. It is also compatible with Grainger Part No. 809GC6.

Where to buy Watts backflow preventer repair kits worldwide?

3G Electric supplies Watts backflow preventer repair kits like the RK 919-RT 3/4 to customers worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this repair kit.

How to install the Watts RK 919-RT 3/4 repair kit?

To install the Watts RK 919-RT 3/4 repair kit, first isolate the backflow preventer and relieve system pressure. Remove the valve bonnet and replace the old check seat o-rings with the new ones from the kit. Reassemble the valve and test for proper sealing. Always follow Watts' installation 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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