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Watts Backflow Preventer Repair Kit: Backflow Preventer Repair Kit, 809GC7, 1 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, 809GC7, 1 LF919-QT-S-FS

The WATTS Backflow Preventer Repair Kit (SKU 852WF1) is a repair kit for Watts backflow preventers, including a Second Check Repair Kit. It is compatible with 1 in valve sizes, Series RK-919, and manufacturer model…

SKU 3G-OTH-436855

Brand

Watts

Item

Backflow Preventer Repair Kit: Backflow Preventer Repair Kit, 809GC7, 1 LF919-QT-S-FS

Category

Repair Kits & Parts for Watts Backflow Preventers

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Technical Specifications

Watts

Manufacturer Part Number

RK 919-T 1 

Type

809GC7, RK-919 

Includes

Second Check Repair Kit 

LF919-QT-S-FS

1

Compatible Valve Size

1 in 

Compatible with Series

RK-919 

Compatible with Mfr. Model No.

1 LF919-QT-S-FS 

Compatible with Grainger Part No.

809GC7 

View Full Spec Sheet

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Watts Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WATTS Backflow Preventer Repair Kit (SKU 852WF1) is a repair kit for Watts backflow preventers, including a Second Check Repair Kit. It is compatible with 1 in valve sizes, Series RK-919, and manufacturer model number 1 LF919-QT-S-FS.

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, 809GD0, 2 LF919-QT-S-FS, RK-919 (MPN RK 919-T 2). Key specifications — Compatible Valve Size: 2 in; Compatible with Grainger Part No.: 809GD0; Compatible with Series: RK-919; Compatible with Mfr. Model No.: 2 LF919-QT-S-FS; Includes: First Check Repair Kit.

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WATTS Backflow Preventer Repair Kit: Backflow Preventer Repair Kit, 809GC6, 3/4 LF919-QT-S-FS (MPN RK 919-T 3/4). Key specifications — Compatible Valve Size: 3/4 in; Compatible with Grainger Part No.: 809GC6; Compatible with Series: RK-919; Compatible with Mfr. Model No.: 3/4 LF919-QT-S-FS; Includes: Second Check Repair Kit.

WATTS Backflow Preventer Repair Kit: Backflow Preventer Repair Kit, Repair Kit, RK-919 (MPN RK 919-T 1/4-1/2). Key specifications — Compatible Valve Size: 1/4 in; Compatible with Series: RK-919; Compatible with Mfr. Model No.: 1/4 LF919-QT-S-FS; Includes: Second Check Repair Kit.

WATTS Backflow Preventer Repair Kit: Backflow Preventer Repair Kit, Repair Kit, RK-919 (MPN RK 919-T 1/4-1/2). Key specifications — Compatible Valve Size: 1/4 in; Compatible with Series: RK-919; Compatible with Mfr. Model No.: 1/4 LF919-QT-S-FS; Includes: Second Check Repair Kit.

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