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Watts LFRK 909-RV 2-1/2-3 Relief Valve Repair Kit for Series 909 - Repair Kits & Parts for Watts Backflow Preventers
WattsRepair Kits & Parts for Watts Backflow Preventers

Watts LFRK 909-RV 2-1/2-3 Relief Valve Repair Kit for Series 909

The Watts Relief Valve Repair Kit (SKU LFRK 909-RV 2-1/2-3, MPN LFRK 909-RV 2-1/2-3) is a repair kit for Watts backflow preventers, including an RV disc assembly. It is compatible with 2-1/2 in to 3 in valve sizes…

SKU 3G-OTH-436698

Also listed as: LFRK909RV2123 · LFRK 909 RV 2 1 2 3 · LFRK-909-RV-2-1-2-3

Brand
Watts
Item
LFRK 909-RV 2-1/2-3 Relief Valve Repair Kit for Series 909
Category
Repair Kits & Parts for Watts Backflow Preventers
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

Watts
Manufacturer Part Number
LFRK 909-RV 2-1/2-3
Type
793PG1/793PG2/793PG3/793PG5, 909
LF909
2 1/2-3
Includes
RV Disc Assembly
Compatible Valve Size
2-1/2 in to 3 in
Compatible with Series
909
Compatible with Mfr. Model No.
2-1/2-3 LF909

Technical Documents

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

Product Description

The Watts Relief Valve Repair Kit (SKU LFRK 909-RV 2-1/2-3, MPN LFRK 909-RV 2-1/2-3) is a repair kit for Watts backflow preventers, including an RV disc assembly. It is compatible with 2-1/2 in to 3 in valve sizes and the Watts Series 909, specifically model 2-1/2-3 LF909 (part 793PG1).

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the Watts Relief Valve Repair Kit used for?

The Watts Relief Valve Repair Kit is used to service backflow preventers, specifically the Watts Series 909 model 2-1/2-3 LF909. It includes an RV disc assembly to replace worn relief valve components, ensuring proper backflow protection in commercial and industrial water systems.

What are the specifications of the Watts Relief Valve Repair Kit?

The Watts Relief Valve Repair Kit (MPN LFRK 909-RV 2-1/2-3) includes an RV disc assembly. It is compatible with valve sizes 2-1/2 in to 3 in and the Watts Series 909, specifically model 2-1/2-3 LF909 (part LF909-DOSY-FS). The SKU is 3G-OTH-436698.

Where to buy the Watts Relief Valve Repair Kit worldwide?

You can source the Watts Relief Valve Repair Kit through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this repair kit.

How to install the Watts Relief Valve Repair Kit?

To install the Watts Relief Valve Repair Kit, first depressurize and drain the backflow preventer. Remove the old relief valve assembly and replace it with the new RV disc assembly from the kit. Reassemble the valve and test for proper operation per Watts guidelines. Always follow local plumbing codes.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
WATTS Relief Valve Repair Kit: Relief Valve Kit, LF909-DNRS-FS/LF909-DNRS-FS/LF909-DOSY-FS, 4-6 LF909, Repair Kit, 909 (MPN LFRK 909-RV 4-6)
Watts
WATTS Relief Valve Repair Kit: Relief Valve Kit, LF909-DNRS-FS/LF909-DNRS-FS/LF909-DOSY-FS, 4-6 LF909, Repair Kit, 909 (MPN LFRK 909-RV 4-6)
This repair kit is designed for servicing Watts LF909 series backflow preventers with valve sizes 2-1/2 in to 3 in. Includes two molded disc assemblies to replace worn components and restore relief valve function. Compatible with models 793PG1, 793PG2, 793PG3, and 793PG5
Watts
This repair kit is designed for servicing Watts LF909 series backflow preventers with valve sizes 2-1/2 in to 3 in. Includes two molded disc assemblies to replace worn components and restore relief valve function. Compatible with models 793PG1, 793PG2, 793PG3, and 793PG5
This repair kit includes an RV O-Ring for servicing Watts Series 909 backflow preventers. Compatible with valve sizes 3/4 in to 1 in, it is designed for models such as the 3/4 -1 LF909. The kit restores sealing function in backflow prevention assemblies used in water supply systems
Watts
This repair kit includes an RV O-Ring for servicing Watts Series 909 backflow preventers. Compatible with valve sizes 3/4 in to 1 in, it is designed for models such as the 3/4 -1 LF909. The kit restores sealing function in backflow prevention assemblies used in water supply systems
Rubber parts repair kit for Watts 909 Series backflow preventers. Includes RV disc assembly. Compatible with valve sizes 2-1/2 in to 3 in and models 793PG1, 793PG2, 793PG3, 793PG5, and 909. Used to replace worn components in backflow prevention assemblies
Watts
Rubber parts repair kit for Watts 909 Series backflow preventers. Includes RV disc assembly. Compatible with valve sizes 2-1/2 in to 3 in and models 793PG1, 793PG2, 793PG3, 793PG5, and 909. Used to replace worn components in backflow prevention assemblies
Repair kit for Watts Series 909 backflow preventers, compatible with valve sizes 2-1/2 in to 3 in and model 21/2 909 NRS. Includes diaphragm for servicing the relief valve assembly. Used in commercial and industrial water systems to maintain backflow prevention
Watts
Repair kit for Watts Series 909 backflow preventers, compatible with valve sizes 2-1/2 in to 3 in and model 21/2 909 NRS. Includes diaphragm for servicing the relief valve assembly. Used in commercial and industrial water systems to maintain backflow prevention
Repair kit for Watts LF909 backflow preventers, compatible with valve sizes 2-1/2 to 3 inches. Includes flow tube O-ring. Used to replace worn components in backflow preventers for potable water systems
Watts
Repair kit for Watts LF909 backflow preventers, compatible with valve sizes 2-1/2 to 3 inches. Includes flow tube O-ring. Used to replace worn components in backflow preventers for potable water systems

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This repair kit is for servicing Watts Series 800 backflow preventers. It includes a check disc assembly (disc and holder) and is compatible with valve sizes from 1/2 in to 1 in. Used to restore check-valve function in vacuum breakers, maintaining backflow protection in plumbing systems
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This repair kit is for servicing Watts Series 800 backflow preventers. It includes a check disc assembly (disc and holder) and is compatible with valve sizes from 1/2 in to 1 in. Used to restore check-valve function in vacuum breakers, maintaining backflow protection in plumbing systems
Repair kit for Watts backflow preventers, includes disc washer. Compatible with 1/2 in valve sizes and Series 957 models 2-1/2 - 4-757/957. Used to replace worn test cock components in backflow prevention assemblies for commercial and industrial water systems
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Repair kit for Watts backflow preventers, includes disc washer. Compatible with 1/2 in valve sizes and Series 957 models 2-1/2 - 4-757/957. Used to replace worn test cock components in backflow prevention assemblies for commercial and industrial water systems
This repair kit is designed for servicing Watts Series 757 backflow preventers with 3-inch valves. It includes a sleeve O-ring to restore sealing in commercial and industrial water systems. Compatible with models 1KYD7, 1KYD9, 1KYE2, and 757
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This repair kit is designed for servicing Watts Series 757 backflow preventers with 3-inch valves. It includes a sleeve O-ring to restore sealing in commercial and industrial water systems. Compatible with models 1KYD7, 1KYD9, 1KYE2, and 757
This repair kit is designed for servicing Watts backflow preventers. It includes a spring O-ring and is compatible with 1 in valve sizes, Series RK-LF719, and Model LF719. Used to replace worn first or second check components in backflow prevention assemblies
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This repair kit is designed for servicing Watts backflow preventers. It includes a spring O-ring and is compatible with 1 in valve sizes, Series RK-LF719, and Model LF719. Used to replace worn first or second check components in backflow prevention assemblies
This repair kit services the relief valve on Watts 009 series backflow preventers with M2 valve sizes for 1-1/4 to 1-1/2 models. Includes a diaphragm to restore proper relief valve function. Compatible with models 009M2 and LF009M2
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This repair kit services the relief valve on Watts 009 series backflow preventers with M2 valve sizes for 1-1/4 to 1-1/2 models. Includes a diaphragm to restore proper relief valve function. Compatible with models 009M2 and LF009M2
This repair kit services the first check valve on Watts Series 909 backflow preventers, including model 2-1/2-3 LF909. Compatible with valve sizes 2-1/2 to 3 inches, the kit includes lubricant. Suitable for use in commercial and industrial water systems to maintain backflow protection
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This repair kit services the first check valve on Watts Series 909 backflow preventers, including model 2-1/2-3 LF909. Compatible with valve sizes 2-1/2 to 3 inches, the kit includes lubricant. Suitable for use in commercial and industrial water systems to maintain backflow protection
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Repair kit for Watts 007 series backflow preventers. Includes cover O-ring. Compatible with 1/2 in valve size and model 007. Used to replace first or second check assembly in potable water systems
Repair kit for Watts Series 909 backflow preventers, compatible with valve sizes 1-1/4 in to 2 in. Includes seat O-ring. Fits models 818DD1, 818DD7, and 818DE2. Used to replace worn rubber components in commercial and industrial water systems to maintain backflow protection
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Repair kit for Watts Series 909 backflow preventers, compatible with valve sizes 1-1/4 in to 2 in. Includes seat O-ring. Fits models 818DD1, 818DD7, and 818DE2. Used to replace worn rubber components in commercial and industrial water systems to maintain backflow protection