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Watts Backflow Preventer Repair Kit: Backflow Preventer Repair Kit, 2 LF919-QT-S-FS - Repair Kits & Parts for Watts Backflow Preventers
WattsRepair Kits & Parts for Watts Backflow Preventers

Watts Backflow Preventer Repair Kit: Backflow Preventer Repair Kit, 2 LF919-QT-S-FS

The WATTS Backflow Preventer Repair Kit is a repair kit for Watts backflow preventers, specifically a First Check Repair Kit. It is compatible with a 2-inch valve size and is designed for use with the RK-919 series…

SKU 3G-OTH-436856

Also listed as: RK919T2 · RK 919 T 2 · RK-919-T-2

Brand
Watts
Item
Backflow Preventer Repair Kit: Backflow Preventer Repair Kit, 2 LF919-QT-S-FS
Category
Repair Kits & Parts for Watts Backflow Preventers
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

Watts
Manufacturer Part Number
RK 919-T 2
Type
809GD0, RK-919
Includes
First Check Repair Kit
LF919-QT-S-FS
2
Compatible Valve Size
2 in
Compatible with Series
RK-919
Compatible with Mfr. Model No.
2 LF919-QT-S-FS

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

Product Description

The WATTS Backflow Preventer Repair Kit is a repair kit for Watts backflow preventers, specifically a First Check Repair Kit. It is compatible with a 2-inch valve size and is designed for use with the RK-919 series, including manufacturer model number 2 LF919-QT-S-FS and part number 809GD0. The manufacturer part number is RK 919-T 2.

Frequently Asked Questions

What is the Watts backflow preventer repair kit used for?

The Watts backflow preventer repair kit is used to service and restore the first check valve assembly in compatible Watts backflow preventers. It is designed for 2-inch valve systems in the RK-919 series, including model 2 LF919-QT-S-FS, ensuring reliable backflow protection in commercial and industrial water systems.

What are the specifications of the Watts RK-919-T 2 repair kit?

The Watts RK-919-T 2 repair kit is a first check repair kit compatible with 2-inch valve sizes. It is designed for the RK-919 series and fits manufacturer model 2 LF919-QT-S-FS and part 2 LF919-QT-S-FS. The kit includes the first check repair components needed to maintain Watts backflow preventers.

Where to buy Watts backflow preventer repair kits worldwide?

3G Electric supplies Watts backflow preventer repair kits, including the RK-919-T 2, to customers worldwide. As a global industrial distributor, 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 a Watts backflow preventer first check repair kit?

To install the Watts first check repair kit, first depressurize and isolate the backflow preventer. Remove the valve cover and extract the old first check assembly. Replace it with the new components from the RK-919-T 2 kit, ensuring proper seating. Reassemble and test per local plumbing codes. Always follow Watts installation instructions.

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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