Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
Watts First Check Valve Repair Kit: First Check Valve Repair Kit, 3/4 - 1 007M1 - Repair Kits & Parts for Watts Backflow Preventers
WattsRepair Kits & Parts for Watts Backflow Preventers

Watts First Check Valve Repair Kit: First Check Valve Repair Kit, 3/4 - 1 007M1

The WATTS First Check Valve Repair Kit (SKU 6CUH1) is a repair kit for Watts backflow preventers, designed for the 007 Series. It includes a seat and is compatible with valve sizes from 3/4 in to 1 in, specifically…

SKU 3G-OTH-436816

Brand
Watts
Item
First Check Valve Repair Kit: First Check Valve Repair Kit, 3/4 - 1 007M1
Category
Repair Kits & Parts for Watts Backflow Preventers
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
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

Technical Specifications

Watts
Manufacturer Part Number
007 M1-3/4 - 1 1st Check Kit
Type
3/4 - 1 007M1, Repair Kit, 007
Includes
Seat
Compatible Valve Size
3/4 in to 1 in
Compatible with Series
007
Compatible with Mfr. Model No.
3/4 - 1 007M1
View Full Spec Sheet

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 (SKU 6CUH1) is a repair kit for Watts backflow preventers, designed for the 007 Series. It includes a seat and is compatible with valve sizes from 3/4 in to 1 in, specifically for manufacturer model number 3/4 - 1 007M1 (MPN 007 M1-3/4 - 1 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 backflow preventers in the Watts 007 Series. It replaces worn internal components, including the seat, to restore proper check-valve function in commercial and residential water systems.

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

This repair kit includes a seat and is compatible with Watts 007 Series backflow preventers. It fits valve sizes from 3/4 in to 1 in and matches manufacturer model number 3/4 - 1 007M1 (MPN 007 M1-3/4 - 1 1st Check Kit).

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

3G Electric supplies the WATTS First Check Valve Repair Kit worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time.

How to install the WATTS First Check Valve Repair Kit?

To install, depressurize the system and remove the backflow preventer's first check assembly. Replace the old seat with the new one from the Watts kit, then reassemble. Always follow the manufacturer's instructions for torque and testing.

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 →

Similar products

Matched by specification & description
WATTS First Check Valve Repair Kit: First Check Valve Repair Kit, 1 1/2-2 007/LF007, Repair Kit, 007 (MPN 007 1-1/2 - 2 1st Check Kit). Key specifications — Compatible Valve Size: 1-1/2 in to 2 in; Compatible with Series: 007; Compatible with Mfr. Model No.: 1-1/2-2 007/LF007; Includes: Disc Assembly.
Watts
WATTS First Check Valve Repair Kit: First Check Valve Repair Kit, 1 1/2-2 007/LF007, Repair Kit, 007 (MPN 007 1-1/2 - 2 1st Check Kit). Key specifications — Compatible Valve Size: 1-1/2 in to 2 in; Compatible with Series: 007; Compatible with Mfr. Model No.: 1-1/2-2 007/LF007; Includes: Disc Assembly.
WATTS First Check Valve Repair Kit: First Check Valve Repair Kit, 3/4-1 007/LF007, Repair Kit, 007 (MPN 007-3/4 - 1 1st Check Kit). Key specifications — Compatible Valve Size: 3/4 in to 1 in; Compatible with Series: 007; Compatible with Mfr. Model No.: 3/4-1 007/LF007; Includes: Spring.
Watts
WATTS First Check Valve Repair Kit: First Check Valve Repair Kit, 3/4-1 007/LF007, Repair Kit, 007 (MPN 007-3/4 - 1 1st Check Kit). Key specifications — Compatible Valve Size: 3/4 in to 1 in; Compatible with Series: 007; Compatible with Mfr. Model No.: 3/4-1 007/LF007; Includes: Spring.
WATTS First Check Valve Repair Kit: First Check Valve Repair Kit, 3/4 in/M3 Compatible Valve Size (MPN 007 M2-3/4 1st Check Kit). Key specifications — Compatible Valve Size: M3; Compatible with Series: 007; Compatible with Mfr. Model No.: 3/4 007M2; Includes: Check Cage.
Watts
WATTS First Check Valve Repair Kit: First Check Valve Repair Kit, 3/4 in/M3 Compatible Valve Size (MPN 007 M2-3/4 1st Check Kit). Key specifications — Compatible Valve Size: M3; Compatible with Series: 007; Compatible with Mfr. Model No.: 3/4 007M2; Includes: Check Cage.
WATTS First Check Valve Repair Kit: First Check Valve Repair Kit, 6A769/812MY7/818DF4, Repair Kit (MPN 007 M1 1-1/2 - 2 1st Check Kit). Key specifications — Compatible Valve Size: M1; Compatible with Grainger Part No.: 6A769; Compatible with Series: 007; Compatible with Mfr. Model No.: 1-1/2 - 2 007M1; Includes: Spring.
Watts
WATTS First Check Valve Repair Kit: First Check Valve Repair Kit, 6A769/812MY7/818DF4, Repair Kit (MPN 007 M1 1-1/2 - 2 1st Check Kit). Key specifications — Compatible Valve Size: M1; Compatible with Grainger Part No.: 6A769; Compatible with Series: 007; Compatible with Mfr. Model No.: 1-1/2 - 2 007M1; Includes: Spring.
WATTS First Check Valve Repair Kit: First Check Valve Repair Kit, Check Assembly/Cover O-Ring, 009 (MPN 009-3/4 - 1 1st Check Kit). Key specifications — Compatible Valve Size: 3/4 in to 1 in; Compatible with Series: 009; Compatible with Mfr. Model No.: 3/4 - 1 009/LF009; Includes: Cover O-Ring.
Watts
WATTS First Check Valve Repair Kit: First Check Valve Repair Kit, Check Assembly/Cover O-Ring, 009 (MPN 009-3/4 - 1 1st Check Kit). Key specifications — Compatible Valve Size: 3/4 in to 1 in; Compatible with Series: 009; Compatible with Mfr. Model No.: 3/4 - 1 009/LF009; Includes: Cover O-Ring.
WATTS First Check Valve Repair Kit: First Check Kit, 1 1/4 in to 2 in/M1 Compatible Valve Size, 009 (MPN 009 M1 1-1/4 - 2 1st Check Kit). Key specifications — Compatible Valve Size: M1; Compatible with Series: 009; Compatible with Mfr. Model No.: 1-1/4-2 009M1/LF009M1; Includes: Cover O-Ring.
Watts
WATTS First Check Valve Repair Kit: First Check Kit, 1 1/4 in to 2 in/M1 Compatible Valve Size, 009 (MPN 009 M1 1-1/4 - 2 1st Check Kit). Key specifications — Compatible Valve Size: M1; Compatible with Series: 009; Compatible with Mfr. Model No.: 1-1/4-2 009M1/LF009M1; Includes: Cover O-Ring.

More from Watts

View all Watts parts →
WATTS Cap: Cap, 1/8 in Connection Size - Side 1, Male, IPS, Repair Part, Brass, Backflow Preventer (MPN SAE-TC Brass Cap 1/8 SAE). Key specifications — Compatible with Series: 4000B.
Watts
WATTS Cap: Cap, 1/8 in Connection Size - Side 1, Male, IPS, Repair Part, Brass, Backflow Preventer (MPN SAE-TC Brass Cap 1/8 SAE). Key specifications — Compatible with Series: 4000B.
WATTS Test Cock: Test Cock, 1/4 in Connection Size - Side 1, Male, NPT, Repair Part, Female, NSF (MPN 1/4 LFTC). Key specifications — Compatible with Series: 4000B.
Watts
WATTS Test Cock: Test Cock, 1/4 in Connection Size - Side 1, Male, NPT, Repair Part, Female, NSF (MPN 1/4 LFTC). Key specifications — Compatible with Series: 4000B.
WATTS Test Cock: Test Cock, 1/2 in Connection Size - Side 1, NPT, Repair Part, Bronze (MPN 1/2 LF-TC 757/957 2-1/2 - 4). Key specifications — Compatible with Series: Watts Series LF-TC, 1/2 in.
Watts
WATTS Test Cock: Test Cock, 1/2 in Connection Size - Side 1, NPT, Repair Part, Bronze (MPN 1/2 LF-TC 757/957 2-1/2 - 4). Key specifications — Compatible with Series: Watts Series LF-TC, 1/2 in.
WATTS Adapter: Test Cock, 1/4 in Connection Size - Side 1, Male, NPT, Repair Part, Bronze (MPN SAE-TC-Adapter 1/4). Key specifications — Compatible with Series: Watts Series SAE-TC, 1/4 in.
Watts
WATTS Adapter: Test Cock, 1/4 in Connection Size - Side 1, Male, NPT, Repair Part, Bronze (MPN SAE-TC-Adapter 1/4). Key specifications — Compatible with Series: Watts Series SAE-TC, 1/4 in.
WATTS Test Cock: Test Cock, 1/4 in Connection Size - Side 1, Male, NPT, Repair Part, Female, NPT (MPN 1/4 LF-TC). Key specifications — Compatible with Series: 4000B.
Watts
WATTS Test Cock: Test Cock, 1/4 in Connection Size - Side 1, Male, NPT, Repair Part, Female, NPT (MPN 1/4 LF-TC). Key specifications — Compatible with Series: 4000B.
WATTS Backflow Preventer Repair Kits: Second Check Kit, 1RCX3/1RCX5/1RCX7, 957/957RPDA, Repair Kit (MPN RK957/957RPDA-CK2-21/2-4). Key specifications — Compatible Valve Size: 2-1/2 in to 4 in; Compatible with Grainger Part No.: 1RCX3; Compatible with Series: RK-957; Compatible with Mfr. Model No.: 957; Includes: Second Check Module.
Watts
WATTS Backflow Preventer Repair Kits: Second Check Kit, 1RCX3/1RCX5/1RCX7, 957/957RPDA, Repair Kit (MPN RK957/957RPDA-CK2-21/2-4). Key specifications — Compatible Valve Size: 2-1/2 in to 4 in; Compatible with Grainger Part No.: 1RCX3; Compatible with Series: RK-957; Compatible with Mfr. Model No.: 957; Includes: Second Check Module.
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). Key specifications — Compatible Valve Size: 1/2 in to 3/4 in; Compatible with Grainger Part No.: 793HT8; Compatible with Series: 800M4; Compatible with Mfr. Model No.: 1/2 - 3/4 800M4; Includes: Bonnet O-Ring.
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). Key specifications — Compatible Valve Size: 1/2 in to 3/4 in; Compatible with Grainger Part No.: 793HT8; Compatible with Series: 800M4; Compatible with Mfr. Model No.: 1/2 - 3/4 800M4; Includes: Bonnet O-Ring.
WATTS Backflow Preventer Repair Kit: Complete Rubber Parts Kit, 6A771, 009-M1-QTS, Repair Kit, 009 (MPN RK 009 RT 3/4 - 1). Key specifications — Compatible Valve Size: 3/4 in to 1 in; Compatible with Grainger Part No.: 6A771; Compatible with Series: 009; Compatible with Mfr. Model No.: 009-M1-QTS; Includes: (2) Disc Assembly.
Watts
WATTS Backflow Preventer Repair Kit: Complete Rubber Parts Kit, 6A771, 009-M1-QTS, Repair Kit, 009 (MPN RK 009 RT 3/4 - 1). Key specifications — Compatible Valve Size: 3/4 in to 1 in; Compatible with Grainger Part No.: 6A771; Compatible with Series: 009; Compatible with Mfr. Model No.: 009-M1-QTS; Includes: (2) Disc Assembly.