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Watts Second Check Valve Repair Kit: Second Check Valve Repair Kit, 522P30/522P31 - 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, 522P30/522P31

The WATTS Second Check Valve Repair Kit is a repair kit for Watts backflow preventers, compatible with Series 009 models. It includes a First Check Assembly and is designed for valve sizes 2-1/2 in to 3 in. The…

SKU 3G-OTH-436802

Brand

Watts

Item

Second Check Valve Repair Kit: Second Check Valve Repair Kit, 522P30/522P31

Category

Repair Kits & Parts for Watts Backflow Preventers

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Technical Specifications

Watts

Manufacturer Part Number

009 2-1/2 - 3 2nd Check Kit 

Type

522P30/522P31, 2 1/2 -3 LF009 

Includes

First Check Assembly 

Compatible Valve Size

2-1/2 in to 3 in 

Compatible with Series

009

Compatible with Mfr. Model No.

2-1/2 -3 LF009 

Compatible with Grainger Part No.

522P30 

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, compatible with Series 009 models. It includes a First Check Assembly and is designed for valve sizes 2-1/2 in to 3 in. The manufacturer part number is 009 2-1/2 - 3 2nd Check Kit, and it is compatible with Grainger Part No. 522P30 and Mfr. Model No. 2-1/2 -3 LF009.

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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