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Watts Second Check Valve Repair Kit: Second Check Kit, 793HG9/818DD3/818DE0/818DE3 - Repair Kits & Parts for Watts Backflow Preventers

WattsRepair Kits & Parts for Watts Backflow Preventers

Watts Second Check Valve Repair Kit: Second Check Kit, 793HG9/818DD3/818DE0/818DE3

The WATTS Second Check Valve Repair Kit is a repair kit for Watts backflow preventers, specifically designed for the 009 Series. This kit includes a check assembly and is compatible with valve size M2, fitting models…

SKU 3G-OTH-436764

Brand

Watts

Item

Second Check Valve Repair Kit: Second Check Kit, 793HG9/818DD3/818DE0/818DE3

Category

Repair Kits & Parts for Watts Backflow Preventers

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Technical Specifications

Watts

Manufacturer Part Number

009 M2-3/4 2nd Check Kit 

Type

793HG9/818DD3/818DE0/818DE3, Repair Kit, 009 

Includes

Check Assembly 

Compatible Valve Size

M2

Compatible with Series

009

Compatible with Mfr. Model No.

3/4 009M2/LF009M2 

Compatible with Grainger Part No.

818DE0

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Watts Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WATTS Second Check Valve Repair Kit is a repair kit for Watts backflow preventers, specifically designed for the 009 Series. This kit includes a check assembly and is compatible with valve size M2, fitting models 3/4 009M2 and LF009M2. It is identified by manufacturer part number 009 M2-3/4 2nd Check Kit and Grainger part number 818DE0.

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 Second Check Valve Repair Kit: Second Check Kit, 26X140/429J30/793HG8/818DD8, 1 009M2/LF009M2 (MPN 009 M2 1 2nd Check Kit). Key specifications — Compatible Valve Size: 1 in; Compatible with Grainger Part No.: 818DD8; Compatible with Series: 009; Compatible with Mfr. Model No.: 1 009M2/LF009M2; Includes: Cover O-Ring.

WATTS Second Check Valve Repair Kit: Second Check Valve Repair Kit, 793HG2/793HL5/818DE6/818DE8, 007 (MPN 1-1/4-1 ½ 007M2/LF007M2). Key specifications — Compatible Valve Size: M2; Compatible with Grainger Part No.: 818DE8; Compatible with Series: 007; Compatible with Mfr. Model No.: 1-1/4-1-1/2 007M2/LF007M2; Includes: Cover O-Ring.

WATTS Second Check Valve Repair Kit: Second Check Valve Repair Kit, 793HG2/793HL5/818DE6/818DE8, 007 (MPN 1-1/4-1 ½ 007M2/LF007M2). Key specifications — Compatible Valve Size: M2; Compatible with Grainger Part No.: 818DE8; Compatible with Series: 007; Compatible with Mfr. Model No.: 1-1/4-1-1/2 007M2/LF007M2; Includes: Cover O-Ring.

WATTS Second Check Valve Repair Kit: Second Check Valve Repair Kit, 522P30/812MY5/818DE7, Repair Kit (MPN 007 M3-3/4 2nd Check Kit). Key specifications — Compatible Valve Size: M3; Compatible with Grainger Part No.: 812MY5; Compatible with Series: 007; Compatible with Mfr. Model No.: 3/4 007M3/LF007M3; Includes: Seat.

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WATTS Second Check Valve Repair Kit: Second Check Kit, 793HG7/793HL8/818DD2, 2 009M2/LF009M2, 009 (MPN 009 M2 2 2nd Check Kit). Key specifications — Compatible Valve Size: M2; Compatible with Grainger Part No.: 818DD2; Compatible with Series: 009; Compatible with Mfr. Model No.: 2 009M2/LF009M2; Includes: Cover O-Ring.

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WATTS Second Check Valve Repair Kit: Second Check Valve Repair Kit, 429J28/793HF6/793HL3/818DD5, 009 (MPN 009-1/4 - 1/2 2nd Check Kit). Key specifications — Compatible Valve Size: 1/4 in to 1/2 in; Compatible with Grainger Part No.: 429J28; Compatible with Series: 009; Compatible with Mfr. Model No.: 1/4 - 1/2 009/LF009; Includes: Cover O-Ring.

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WATTS Relief Valve Repair Kit: Relief Valve Kit, 793HG3/793HG4/793HL6/793HL7/793HP6/818DD9, 009 (MPN 009 M2 1-1/4 - 1-1/2 Relief Valve). Key specifications — Compatible Valve Size: M2; Compatible with Grainger Part No.: 793HG4; Compatible with Series: 009; Compatible with Mfr. Model No.: 1-1/4 - 1-1/2 009M2/LF009M2; Includes: Diaphragm.

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