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Watts Second Check Valve Repair Kit: Second Check Valve Repair Kit, 522P30/812MY5/818DE7 - Repair Kits & Parts for Watts Backflow Preventers
WattsRepair Kits & Parts for Watts Backflow Preventers

Watts Second Check Valve Repair Kit: Second Check Valve Repair Kit, 522P30/812MY5/818DE7

The WATTS Second Check Valve Repair Kit is a repair kit for Watts backflow preventers, specifically designed for the 007 Series. This kit includes a seat and is compatible with valve size M3, fitting manufacturer…

SKU 3G-OTH-436759

Brand
Watts
Item
Second Check Valve Repair Kit: Second Check Valve Repair Kit, 522P30/812MY5/818DE7
Category
Repair Kits & Parts for Watts Backflow Preventers
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Technical Specifications

Watts
Manufacturer Part Number
007 M3-3/4 2nd Check Kit
Type
522P30/812MY5/818DE7, Repair Kit
Includes
Seat
Compatible Valve Size
M3
Compatible with Series
007
Compatible with Mfr. Model No.
3/4 007M3/LF007M3
Compatible with Grainger Part No.
812MY5
View Full Spec Sheet

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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 007 Series. This kit includes a seat and is compatible with valve size M3, fitting manufacturer model numbers 3/4 007M3 and LF007M3. It is identified by manufacturer part number 007 M3-3/4 2nd Check Kit.

Frequently Asked Questions

What is the WATTS Second Check Valve Repair Kit used for?

The WATTS Second Check Valve Repair Kit is used to service the second check valve in Watts 007 Series backflow preventers. It includes a replacement seat and is designed for valve size M3, fitting models 3/4 007M3 and LF007M3. This kit helps maintain backflow prevention system reliability in commercial and industrial water applications.

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

The WATTS Second Check Valve Repair Kit (MPN 007 M3-3/4 2nd Check Kit) includes a seat. It is compatible with valve size M3, Watts Series 007, and manufacturer model numbers 3/4 007M3 and LF007M3. It also matches Grainger part number 812MY5. This kit is designed specifically for Watts backflow preventers.

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

You can source the WATTS Second Check Valve Repair Kit through 3G Electric, a global industrial equipment distributor established in 1990. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine Watts repair kits for backflow preventers.

How to install the WATTS Second Check Valve Repair Kit?

To install the WATTS Second Check Valve Repair Kit, first isolate the backflow preventer and relieve pressure. Remove the second check valve assembly, replace the old seat with the new one included in the kit, and reassemble. Follow Watts' generic guidelines for 007 Series maintenance. Always test the valve after installation to ensure proper operation.

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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