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Watts Backflow Preventer Repair Kits: First Check Kit, 809GC7, 1 in Compatible Valve Size - Repair Kits & Parts for Watts Backflow Preventers
WattsRepair Kits & Parts for Watts Backflow Preventers

Watts Backflow Preventer Repair Kits: First Check Kit, 809GC7, 1 in Compatible Valve Size

The WATTS Backflow Preventer Repair Kits: First Check Kit (SKU 844GG6) is a repair kit for Watts backflow preventers, compatible with a 1 in valve size and the RK-919 series. It includes a spring and cover O-ring and…

SKU 3G-OTH-436792

Brand
Watts
Item
Backflow Preventer Repair Kits: First Check Kit, 809GC7, 1 in Compatible Valve Size
Category
Repair Kits & Parts for Watts Backflow Preventers
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Technical Specifications

Watts
Manufacturer Part Number
RK 919-CK1 1
Type
809GC7, 919/LF919
Includes
Spring and Cover O-Ring
Compatible Valve Size
1 in
Compatible with Series
RK-919
Compatible with Mfr. Model No.
LF919
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 Kits: First Check Kit (SKU 844GG6) is a repair kit for Watts backflow preventers, compatible with a 1 in valve size and the RK-919 series. It includes a spring and cover O-ring and is designed for use with the LF919 model (MPN RK 919-CK1 1) and Grainger Part No. 809GC7.

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: First Check Kit, 809GD0, 2 in Compatible Valve Size, 919/LF919 (MPN RK 919-CK1 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.
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WATTS Backflow Preventer Repair Kits: First Check Kit, 809GD0, 2 in Compatible Valve Size, 919/LF919 (MPN RK 919-CK1 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: First Check Kit, 809GC8/809GC9, 919/LF919, Repair Kit, RK-919 (MPN RK 919-CK1 1-1/4-1-1/2). Key specifications — Compatible Valve Size: 1-1/4 in to 1-1/2 in; Compatible with Grainger Part No.: 809GC9; Compatible with Series: RK-919; Compatible with Mfr. Model No.: 919; Includes: Check Assembly.
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WATTS Backflow Preventer Repair Kits: First Check Kit, 809GC8/809GC9, 919/LF919, Repair Kit, RK-919 (MPN RK 919-CK1 1-1/4-1-1/2). Key specifications — Compatible Valve Size: 1-1/4 in to 1-1/2 in; Compatible with Grainger Part No.: 809GC9; Compatible with Series: RK-919; Compatible with Mfr. Model No.: 919; Includes: Check Assembly.
WATTS Backflow Preventer Repair Kits: First Check Kit, 809GC6, 3/4 in Compatible Valve Size, RK-919 (MPN RK 919-CK1-3/4). Key specifications — Compatible Valve Size: 3/4 in; Compatible with Grainger Part No.: 809GC6; Compatible with Series: RK-919; Compatible with Mfr. Model No.: LF919; Includes: Check Assembly.
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WATTS Backflow Preventer Repair Kits: First Check Kit, 809GC6, 3/4 in Compatible Valve Size, RK-919 (MPN RK 919-CK1-3/4). Key specifications — Compatible Valve Size: 3/4 in; Compatible with Grainger Part No.: 809GC6; Compatible with Series: RK-919; Compatible with Mfr. Model No.: LF919; Includes: Check Assembly.
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.
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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, 809GC8/809GC9, 919/LF919, Repair Kit, RK-919 (MPN RK 919-CK2 1-1/4-1-1/2). Key specifications — Compatible Valve Size: 1-1/4 in to 1-1/2 in; Compatible with Grainger Part No.: 809GC9; Compatible with Series: RK-919; Compatible with Mfr. Model No.: LF919; Includes: Check Assembly.
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WATTS Backflow Preventer Repair Kits: Complete Rubber Parts Kit, 809GC6, 919/LF919, Repair Kit (MPN RK 919-RT 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.: LF919; Includes: (2) Check Seat O-Rings.
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