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Watts Backflow Preventer Repair Kits: Total Relief Valve Kit, 522P31, 009/LF009 - Repair Kits & Parts for Watts Backflow Preventers
WattsRepair Kits & Parts for Watts Backflow Preventers

Watts Backflow Preventer Repair Kits: Total Relief Valve Kit, 522P31, 009/LF009

The WATTS Total Relief Valve Kit (SKU 844GK9, MPN LFRK 009-VT 2-1/2-3) is a repair kit for Watts backflow preventers, specifically designed for the LF009 series. It includes a seat O-ring and is compatible with valve…

SKU 3G-OTH-436851

Brand
Watts
Item
Backflow Preventer Repair Kits: Total Relief Valve Kit, 522P31, 009/LF009
Category
Repair Kits & Parts for Watts Backflow Preventers
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Technical Specifications

Watts
Type
522P31, 009/LF009, LF009
Includes
Seat O-Ring
Compatible Valve Size
2-1/2 in to 3 in
Compatible with Series
LF009
Manufacturer Part Number
LFRK 009-VT 2-1/2-3
Compatible with Mfr. Model No.
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 Valve Kit (SKU 844GK9, MPN LFRK 009-VT 2-1/2-3) is a repair kit for Watts backflow preventers, specifically designed for the LF009 series. It includes a seat O-ring and is compatible with valve sizes from 2-1/2 in to 3 in.

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 Backflow Preventer Repair Kits: Second Check Kit, 522P31, 009/LF009, Repair Kit, RK-LF009 (MPN LFRK 009-CK2 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: RK-LF009; Compatible with Mfr. Model No.: 009; Includes: Flow Tube O-Ring.
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WATTS Backflow Preventer Repair Kits: Total Relief Valve Kit, 809GC6/809GC7, 919/LF919, RK-919 (MPN RK 919-VT 3/4-1). Key specifications — Compatible Valve Size: 3/4 in to 1 in; Compatible with Grainger Part No.: 809GC7; Compatible with Series: RK-919; Compatible with Mfr. Model No.: LF919; Includes: Relief Valve Cover O-Ring.
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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 Relief Kit: Relief Kit, 793HG3/793HG4/793HL6/793HL7/793HP6/818DD9, 1 1/4 - 1 1/2 009M2/LF009M2 (MPN 009 M2 1-1/4 - 1-1/2 Total Relief Kit). Key specifications — Compatible Valve Size: M2; Compatible with Grainger Part No.: 793HL7; Compatible with Series: 009; Compatible with Mfr. Model No.: 1-1/4 - 1-1/2 009M2/LF009M2; Includes: Upper Stem O-Ring.
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WATTS Relief Kit: Relief Kit, 793HG3/793HG4/793HL6/793HL7/793HP6/818DD9, 1 1/4 - 1 1/2 009M2/LF009M2 (MPN 009 M2 1-1/4 - 1-1/2 Total Relief Kit). Key specifications — Compatible Valve Size: M2; Compatible with Grainger Part No.: 793HL7; Compatible with Series: 009; Compatible with Mfr. Model No.: 1-1/4 - 1-1/2 009M2/LF009M2; Includes: Upper Stem O-Ring.