We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

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

Also listed as: 009M221stCheckKit · 009-M2-2-1st-Check-Kit

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
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

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

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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.

Frequently Asked Questions

What is the Watts First Check Valve Repair Kit used for?

The Watts First Check Valve Repair Kit is used to service the first check valve in Watts 009 series backflow preventers. It is designed for 2-inch valve sizes and includes a cover O-ring. This kit helps maintain backflow prevention in commercial and industrial water systems, ensuring compliance with cross-connection control regulations.

What are the specifications of the Watts First Check Valve Repair Kit?

The Watts First Check Valve Repair Kit (MPN 009 M2 2 1st Check Kit) is compatible with 2-inch valve sizes and the Watts 009 series. It fits models 2 009M2 and LF009M2. The kit includes a cover O-ring. It is referenced by OEM part number 793HL8 and is designed for backflow preventer maintenance.

Where to buy the Watts First Check Valve Repair Kit worldwide?

You can source the Watts First Check Valve Repair Kit through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead times. We supply genuine Watts repair parts for backflow preventers.

How to install the Watts First Check Valve Repair Kit?

To install the Watts First Check Valve Repair Kit, first depressurize and isolate the backflow preventer. Remove the first check valve cover, replace the old components with the new cover O-ring and included parts, then reassemble. Follow Watts' generic maintenance guidelines for 009 series devices. Always test the assembly after installation.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
WATTS First Check Valve Repair Kit: First Check Kit, 793HG3/793HG4/793HL6/793HL7/793HP6/818DD9, 009 (MPN 009 M2 1-1/4 - 1-1/2 1st Check Kit)
Watts
WATTS First Check Valve Repair Kit: First Check Kit, 793HG3/793HG4/793HL6/793HL7/793HP6/818DD9, 009 (MPN 009 M2 1-1/4 - 1-1/2 1st Check Kit)
WATTS First Check Valve Repair Kit: First Check Kit, 26X140/429J30/793HG8/818DD8, 1 009M2/LF009M2 (MPN 009 M2 1 1st Check Kit)
Watts
WATTS First Check Valve Repair Kit: First Check Kit, 26X140/429J30/793HG8/818DD8, 1 009M2/LF009M2 (MPN 009 M2 1 1st Check Kit)
WATTS First Check Valve Repair Kit: First Check Valve Repair Kit, 429J28/793HF6/793HL3/818DD5, 009 (MPN 009-1/4 - 1/2 1st Check Kit)
Watts
WATTS First Check Valve Repair Kit: First Check Valve Repair Kit, 429J28/793HF6/793HL3/818DD5, 009 (MPN 009-1/4 - 1/2 1st Check Kit)
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)
Watts
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)
WATTS First Check Valve Repair Kit: First Check Valve Repair Kit, 793PG1/793PG2/793PG3/793PG5 (MPN 909 2-1/2 - 3 1st Check Kit)
Watts
WATTS First Check Valve Repair Kit: First Check Valve Repair Kit, 793PG1/793PG2/793PG3/793PG5 (MPN 909 2-1/2 - 3 1st Check Kit)
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)
Watts
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)

More from Watts

View all Watts parts
WATTS Backflow Preventer Repair Kits: Second Check Kit, 1RCX3/1RCX5/1RCX7, 957/957RPDA, Repair Kit (MPN RK957/957RPDA-CK2-21/2-4)
Watts
WATTS Backflow Preventer Repair Kits: Second Check Kit, 1RCX3/1RCX5/1RCX7, 957/957RPDA, Repair Kit (MPN RK957/957RPDA-CK2-21/2-4)
WATTS Vacuum Breaker Repair Kit: Pressure Vacuum Breaker Check Kit, 1/2 - 3/4 800M4, Repair Kit (MPN 800M4-1/2-3/4 1st Check Kit)
Watts
WATTS Vacuum Breaker Repair Kit: Pressure Vacuum Breaker Check Kit, 1/2 - 3/4 800M4, Repair Kit (MPN 800M4-1/2-3/4 1st Check Kit)
WATTS Backflow Preventer Repair Kit: Complete Rubber Parts Kit, 6A771, 009-M1-QTS, Repair Kit, 009 (MPN RK 009 RT 3/4 - 1)
Watts
WATTS Backflow Preventer Repair Kit: Complete Rubber Parts Kit, 6A771, 009-M1-QTS, Repair Kit, 009 (MPN RK 009 RT 3/4 - 1)
WATTS Backflow Preventer Repair Kits: First or Second Check Kit, 36JC70, 2 in Compatible Valve Size (MPN RK 719-CK4 2)
Watts
WATTS Backflow Preventer Repair Kits: First or Second Check Kit, 36JC70, 2 in Compatible Valve Size (MPN RK 719-CK4 2)
WATTS Backflow Preventer Repair Kits: First or Second Check Kit, 36JC66, 719/LF719, RK-LF719 (MPN RK 719-CK4-3/4)
Watts
WATTS Backflow Preventer Repair Kits: First or Second Check Kit, 36JC66, 719/LF719, RK-LF719 (MPN RK 719-CK4-3/4)
WATTS Backflow Preventer Repair Kits: Complete Rubber Parts Kit, 3/4 in Compatible Valve Size, 009M3 (MPN RK 009M3-RT 3/4)
Watts
WATTS Backflow Preventer Repair Kits: Complete Rubber Parts Kit, 3/4 in Compatible Valve Size, 009M3 (MPN RK 009M3-RT 3/4)
WATTS Total Relief Kit: Total Relief Kit, 3/4 in/M2 Compatible Valve Size, 3/4 009M2/LF009M2, 009 (MPN 009 M2-3/4 Total Relief Kit)
Watts
WATTS Total Relief Kit: Total Relief Kit, 3/4 in/M2 Compatible Valve Size, 3/4 009M2/LF009M2, 009 (MPN 009 M2-3/4 Total Relief Kit)
WATTS Relief Valve Repair Kit: Relief Valve Kit, 793PG4/793PG6/793PG7, 4-6 LF909, Repair Kit, 909 (MPN LFRK 909-RV 4-6)
Watts
WATTS Relief Valve Repair Kit: Relief Valve Kit, 793PG4/793PG6/793PG7, 4-6 LF909, Repair Kit, 909 (MPN LFRK 909-RV 4-6)