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Watts First Check Valve Repair Kit: First Check Kit, 793HG7/793HL8/818DD2, 2 009M2/LF009M2 - Repair Kits & Parts for Watts Backflow Preventers

WattsRepair Kits & Parts for Watts Backflow Preventers

Watts First Check Valve Repair Kit: First Check Kit, 793HG7/793HL8/818DD2, 2 009M2/LF009M2

The WATTS First Check Valve Repair Kit (First Check Kit) is a repair kit for Watts backflow preventers, designed for use with the 009 series. This kit includes a cover O-ring and is compatible with 2-inch valve…

SKU 3G-OTH-436862

Brand

Watts

Item

First Check Valve Repair Kit: First Check Kit, 793HG7/793HL8/818DD2, 2 009M2/LF009M2

Category

Repair Kits & Parts for Watts Backflow Preventers

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Technical Specifications

Watts

Manufacturer Part Number

009 M2 2 1st Check Kit 

Type

793HG7/793HL8/818DD2, 2 009M2/LF009M2, 009 

Includes

Cover O-Ring 

Compatible Valve Size

2 in 

Compatible with Series

009

Compatible with Mfr. Model No.

2 009M2/LF009M2 

Compatible with Grainger Part No.

793HL8 

View Full Spec Sheet

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Watts Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WATTS First Check Valve Repair Kit (First Check Kit) is a repair kit for Watts backflow preventers, designed for use with the 009 series. This kit includes a cover O-ring and is compatible with 2-inch valve sizes, specifically fitting models 2 009M2 and LF009M2. The manufacturer part number is 009 M2 2 1st Check Kit.

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 First Check Valve Repair Kit: First Check Kit, 26X140/429J30/793HG8/818DD8, 1 009M2/LF009M2 (MPN 009 M2 1 1st Check Kit). Key specifications — Compatible Valve Size: M2; Compatible with Grainger Part No.: 26X140; Compatible with Series: 009; Compatible with Mfr. Model No.: 1 009M2/LF009M2; Includes: Check Assembly.

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WATTS First Check Valve Repair Kit: First Check Kit, 793HG9/818DD3/818DE0/818DE3, 3/4 009M3/LF009M3 (MPN 009 M3-3/4 1st Check Kit). Key specifications — Compatible Valve Size: 3/4 in; Compatible with Grainger Part No.: 818DE0; Compatible with Series: 009; Compatible with Mfr. Model No.: 3/4 009M3/LF009M3; Includes: Check Assembly.

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WATTS First Check Valve Repair Kit: First Check Valve Repair Kit, Check Assembly/Cover O-Ring, 009 (MPN 009 1-1/4 - 2 1st Check Kit). Key specifications — Compatible Valve Size: 1-1/4 in to 2 in; Compatible with Series: 009; Compatible with Mfr. Model No.: 1-1/4-2 009/LF009; Includes: Check Assembly.

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WATTS First Check Valve Repair Kit: First Check Valve Repair Kit, 793PG1/793PG2/793PG3/793PG5 (MPN 909 2-1/2 - 3 1st Check Kit). Key specifications — Compatible Valve Size: 2-1/2 in to 3 in; Compatible with Grainger Part No.: 793PG1; Compatible with Series: RK-LF909; Compatible with Mfr. Model No.: 2-1/2-3 LF909; Includes: Cover O-Ring.

WATTS Backflow Preventer Repair Kits: First or Second Check Kit, 36JC58/36JC64, 709/LF709, RK-LF709 (MPN LFRK 709-CK4 10). Key specifications — Compatible Valve Size: 10 in; Compatible with Grainger Part No.: 36JC58; Compatible with Series: RK-LF709; Compatible with Mfr. Model No.: LF709; Includes: Disc and Spring Assembly.

WATTS Backflow Preventer Repair Kits: First or Second Check Kit, 36JC58/36JC64, 709/LF709, RK-LF709 (MPN LFRK 709-CK4 10). Key specifications — Compatible Valve Size: 10 in; Compatible with Grainger Part No.: 36JC58; Compatible with Series: RK-LF709; Compatible with Mfr. Model No.: LF709; Includes: Disc and Spring Assembly.

WATTS Backflow Preventer Repair Kits: Complete Rubber Parts Kit, 793HG1/793HG2/818DE6/818SE8, RK-007 (MPN RK 007M2-RT 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.: 818SE8; Compatible with Series: RK-007; Compatible with Mfr. Model No.: 1-1/4 LF007M2; Includes: Cover O-Ring.

WATTS Backflow Preventer Repair Kits: Complete Rubber Parts Kit, 793HG1/793HG2/818DE6/818SE8, RK-007 (MPN RK 007M2-RT 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.: 818SE8; Compatible with Series: RK-007; Compatible with Mfr. Model No.: 1-1/4 LF007M2; Includes: Cover O-Ring.