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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 

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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.

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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WATTS Total Relief Kit: Total Relief Kit, 429J28/793HF6/793HL3/818DD5, 1/4 - 1/2 009/LF009, 009 (MPN 009-1/4 - 1/2 Total Relief Kit). Key specifications — Compatible Valve Size: 1/4 in to 1/2 in; Compatible with Grainger Part No.: 793HL3; Compatible with Series: 009; Compatible with Mfr. Model No.: 1/4 - 1/2 009/LF009; Includes: Stem and Diaphragm Assembly.

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WATTS Relief Valve Repair Kit: Relief Valve Repair Kit, 522P30/522P31, 2 1/2 -3 LF009, Repair Kit (MPN 009 2-1/2 - 3 Relief Valve). Key specifications — Compatible Valve Size: 2-1/2 in to 3 in; Compatible with Grainger Part No.: 522P31; Compatible with Series: 009; Compatible with Mfr. Model No.: 2-1/2 -3 LF009; Includes: Relief Valve Repair Kit.

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WATTS First Check Valve Repair Kit: First Check Valve Repair Kit, 522P30/812MY5/818DE7, Repair Kit (MPN 007 M3-3/4 1st Check Kit). Key specifications — Compatible Valve Size: M3; Compatible with Grainger Part No.: 522P30; Compatible with Series: 007; Compatible with Mfr. Model No.: 3/4 007M3/LF007M3; Includes: Check Cage.

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WATTS Backflow Preventer Repair Kits: Total Relief Valve Kit, 522P31, 009/LF009, LF009 (MPN LFRK 009-VT 2-1/2-3). Key specifications — Compatible Valve Size: 2-1/2 in to 3 in; Compatible with Grainger Part No.: 522P31; Compatible with Series: LF009; Compatible with Mfr. Model No.: LF009; Includes: Seat O-Ring.

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