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Watts Total Relief Kit: Total Relief Kit, 522P30/522P31, 2 1/2 in to 3 in Compatible Valve Size - Repair Kits & Parts for Watts Backflow Preventers
WattsRepair Kits & Parts for Watts Backflow Preventers

Watts Total Relief Kit: Total Relief Kit, 522P30/522P31, 2 1/2 in to 3 in Compatible Valve Size

The WATTS Total Relief Kit is a repair kit for Watts backflow preventers, including a Second Check Assembly. It is compatible with valve sizes 2-1/2 in to 3 in and is designed for use with Series 009 and Mfr. Model…

SKU 3G-OTH-436765

Brand
Watts
Item
Total Relief Kit: Total Relief Kit, 522P30/522P31, 2 1/2 in to 3 in Compatible Valve Size
Category
Repair Kits & Parts for Watts Backflow Preventers
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Technical Specifications

Watts
Manufacturer Part Number
009 2-1/2 - 3 Total Relief Kit
Type
522P30/522P31, 009
Includes
Second 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.
522P31
View Full Spec Sheet

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Watts Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WATTS Total Relief Kit is a repair kit for Watts backflow preventers, including a Second Check Assembly. It is compatible with valve sizes 2-1/2 in to 3 in and is designed for use with Series 009 and Mfr. Model No. 2-1/2 -3 LF009. The kit is also compatible with Grainger Part No. 522P31.

Frequently Asked Questions

What is the WATTS Total Relief Kit used for?

The WATTS Total Relief Kit is a repair kit for Watts backflow preventers, specifically the Series 009. It includes a Second Check Assembly and is used to restore proper relief-valve function in commercial water systems, ensuring backflow protection across industrial plumbing applications.

What are the specifications of the WATTS Total Relief Kit?

The WATTS Total Relief Kit (MPN 009 2-1/2 - 3 Total Relief Kit) is compatible with valve sizes 2-1/2 in to 3 in and fits Series 009 and Mfr. Model No. 2-1/2 -3 LF009. It includes a Second Check Assembly and is also compatible with Grainger Part No. 522P31.

Where to buy the WATTS Total Relief Kit worldwide?

3G Electric supplies the WATTS Total Relief Kit worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this repair kit to your facility. Contact us for availability and lead time on this genuine Watts backflow preventer part.

How to install the WATTS Total Relief Kit?

Installation of the WATTS Total Relief Kit should follow the manufacturer's instructions for Series 009 backflow preventers. Typically, depressurize the system, remove the old relief valve assembly, and replace it with the new Second Check Assembly included in the kit. Always consult a qualified technician for proper 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.

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