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Watts Backflow Preventer Repair Kit: Backflow Preventer Repair Kit, Repair Kit - Repair Kits & Parts for Watts Backflow Preventers
WattsRepair Kits & Parts for Watts Backflow Preventers

Watts Backflow Preventer Repair Kit: Backflow Preventer Repair Kit, Repair Kit

The WATTS Backflow Preventer Repair Kit (MPN RK 919-T 1/4-1/2) is a repair kit for Watts backflow preventers, compatible with the RK-919 series and model 1/4 LF919-QT-S-FS. It includes a Second Check Repair Kit and…

SKU 3G-OTH-436854

Also listed as: RK919T1412 · RK 919 T 1 4 1 2 · RK-919-T-1-4-1-2

Brand
Watts
Item
Backflow Preventer Repair Kit: Backflow Preventer Repair Kit, Repair Kit
Category
Repair Kits & Parts for Watts Backflow Preventers
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Technical Specifications

Watts
Manufacturer Part Number
RK 919-T 1/4-1/2
Type
Repair Kit, RK-919
Includes
Second Check Repair Kit
Compatible Valve Size
1/4 in
Compatible with Series
RK-919
Compatible with Mfr. Model No.
1/4 LF919-QT-S-FS

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

Product Description

The WATTS Backflow Preventer Repair Kit (MPN RK 919-T 1/4-1/2) is a repair kit for Watts backflow preventers, compatible with the RK-919 series and model 1/4 LF919-QT-S-FS. It includes a Second Check Repair Kit and is designed for valves with a 1/4 in compatible size.

Frequently Asked Questions

What is the Watts RK-919 backflow preventer repair kit used for?

The Watts RK-919 repair kit is used to service and restore Watts backflow preventers, specifically the second check valve assembly. It is designed for 1/4 in valves in the RK-919 series, including model 1/4 LF919-QT-S-FS, to maintain backflow protection in plumbing systems.

What are the specifications of the Watts RK-919 repair kit?

The Watts RK-919 repair kit (MPN RK 919-T 1/4-1/2) includes a Second Check Repair Kit. It is compatible with valve size 1/4 in, the RK-919 series, and model 1/4 LF919-QT-S-FS. This kit is a genuine Watts component for backflow preventer maintenance.

Where to buy Watts backflow preventer repair kits worldwide?

You can source the Watts RK-919 repair kit through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive genuine Watts parts for your backflow preventer repairs.

How to install the Watts RK-919 second check repair kit?

To install the Watts RK-919 second check repair kit, first isolate the backflow preventer and relieve pressure. Remove the valve bonnet, extract the old second check assembly, and replace it with the new kit components. Reassemble and test for proper sealing per standard plumbing practices.

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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WATTS Backflow Preventer Repair Kit: Backflow Preventer Repair Kit, 1-1/4 LF919-QT-S-FS/1-1/2 LF919-QT-S-FS, Repair Kit (MPN RK 919-T 1-1/4-1-1/2)
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