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Watts Relief Valve Repair Kit: Relief Valve Kit, 793PG4/793PG6/793PG7, 4-6 LF909 - Repair Kits & Parts for Watts Backflow Preventers
WattsRepair Kits & Parts for Watts Backflow Preventers

Watts Relief Valve Repair Kit: Relief Valve Kit, 793PG4/793PG6/793PG7, 4-6 LF909

The WATTS Relief Valve Repair Kit (SKU 30UK43, MPN LFRK 909-RV 4-6) is a repair kit for Watts backflow preventers, compatible with Series 909 and model 4-6 LF909. It includes an RV Disc Assembly and fits valve sizes…

SKU 3G-OTH-436710

Brand
Watts
Item
Relief Valve Repair Kit: Relief Valve Kit, 793PG4/793PG6/793PG7, 4-6 LF909
Category
Repair Kits & Parts for Watts Backflow Preventers
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Technical Specifications

Watts
Manufacturer Part Number
LFRK 909-RV 4-6
Type
793PG4/793PG6/793PG7, Repair Kit, 909
LF909
4-6
Includes
RV Disc Assembly
Compatible Valve Size
4 in to 6 in
Compatible with Series
909
Compatible with Mfr. Model No.
4-6 LF909
Compatible with Grainger Part No.
793PG4
View Full Spec Sheet

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

Product Description

The WATTS Relief Valve Repair Kit (SKU 30UK43, MPN LFRK 909-RV 4-6) is a repair kit for Watts backflow preventers, compatible with Series 909 and model 4-6 LF909. It includes an RV Disc Assembly and fits valve sizes from 4 in to 6 in.

Frequently Asked Questions

What is the Watts LFRK 909-RV 4-6 relief valve repair kit used for?

This Watts repair kit is used to service backflow preventers in commercial and industrial water systems. It replaces worn components in Series 909 and model 4-6 LF909 relief valves, restoring proper backflow protection to prevent contamination of potable water supplies.

What are the specifications of the Watts LFRK 909-RV 4-6 repair kit?

The Watts LFRK 909-RV 4-6 repair kit is compatible with valve sizes from 4 in to 6 in and fits Series 909 and model 4-6 LF909 backflow preventers. It includes an RV disc assembly and is identified by MPN LFRK 909-RV 4-6 and Grainger part number 793PG4.

Where to buy the Watts LFRK 909-RV 4-6 repair kit worldwide?

3G Electric supplies the Watts LFRK 909-RV 4-6 repair kit to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site, ensuring you receive genuine Watts parts for your backflow preventer maintenance.

How to install the Watts LFRK 909-RV 4-6 relief valve repair kit?

Installation requires depressurizing the system and removing the relief valve cover. Replace the old disc assembly with the included RV disc assembly from the Watts kit, then reassemble and test for proper seating. Always follow the manufacturer's instructions for your specific Series 909 model.

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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