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Watts Backflow Preventer Repair Kits: Second Check Kit, 809GC8/809GC9, 919/LF919 - Repair Kits & Parts for Watts Backflow Preventers
WattsRepair Kits & Parts for Watts Backflow Preventers

Watts Backflow Preventer Repair Kits: Second Check Kit, 809GC8/809GC9, 919/LF919

The WATTS Backflow Preventer Repair Kits: Second Check Kit (SKU 844GJ8) is a repair kit for Watts backflow preventers, including a check assembly. It is compatible with valve sizes 1-1/4 in to 1-1/2 in and is…

SKU 3G-OTH-436735

Brand
Watts
Item
Backflow Preventer Repair Kits: Second Check Kit, 809GC8/809GC9, 919/LF919
Category
Repair Kits & Parts for Watts Backflow Preventers
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Technical Specifications

Watts
Manufacturer Part Number
RK 919-CK2 1-1/4-1-1/2
Type
809GC8/809GC9, 919/LF919, Repair Kit, RK-919
Includes
Check Assembly
Compatible Valve Size
1-1/4 in to 1-1/2 in
Compatible with Series
RK-919
Compatible with Mfr. Model No.
LF919
Compatible with Grainger Part No.
809GC9
View Full Spec Sheet

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

Product Description

The WATTS Backflow Preventer Repair Kits: Second Check Kit (SKU 844GJ8) is a repair kit for Watts backflow preventers, including a check assembly. It is compatible with valve sizes 1-1/4 in to 1-1/2 in and is designed for use with the RK-919 series and LF919 model. The manufacturer part number is RK 919-CK2 1-1/4-1-1/2.

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 Kits: Second Check Kit, 809GD0, 2 in Compatible Valve Size, RK-919 (MPN RK 919-CK2 2). Key specifications — Compatible Valve Size: 2 in; Compatible with Grainger Part No.: 809GD0; Compatible with Series: RK-919; Compatible with Mfr. Model No.: LF919; Includes: Spring and Cover O-Ring.
WATTS Backflow Preventer Repair Kits: Second Check Kit, 809GC7, 1 in Compatible Valve Size, RK-919 (MPN RK 919-CK2 1). Key specifications — Compatible Valve Size: 1 in; Compatible with Grainger Part No.: 809GC7; Compatible with Series: RK-919; Compatible with Mfr. Model No.: 919; Includes: Check Assembly.
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