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Watts 909-3/4 - 1 Relief Valve Repair Kit for Backflow Preventers - Repair Kits & Parts for Watts Backflow Preventers
WattsRepair Kits & Parts for Watts Backflow Preventers

Watts 909-3/4 - 1 Relief Valve Repair Kit for Backflow Preventers

The WATTS Relief Valve Repair Kit is a repair kit for Watts backflow preventers, compatible with the RK-909 series and the 3/4 -1 LF909 model. It includes lubricant and fits valve sizes from 3/4 in to 1 in. The…

SKU 3G-OTH-436725

Also listed as: 909341ReliefValve · 909 3 4 1 Relief Valve · 909-3-4-1-Relief-Valve

Brand
Watts
Item
909-3/4 - 1 Relief Valve Repair Kit for Backflow Preventers
Category
Repair Kits & Parts for Watts Backflow Preventers
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

Watts
Manufacturer Part Number
909-3/4 - 1 Relief Valve
Type
818DD4/818DD6, 3/4 -1 LF909, Repair Kit
Includes
Lubricant
Compatible Valve Size
3/4 in to 1 in
Compatible with Series
RK-909
Compatible with Mfr. Model No.
3/4 -1 LF909

Technical Documents

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

Product Description

The WATTS Relief Valve Repair Kit is a repair kit for Watts backflow preventers, compatible with the RK-909 series and the 3/4 -1 LF909 model. It includes lubricant and fits valve sizes from 3/4 in to 1 in. The manufacturer part number is 909-3/4 - 1 Relief Valve.

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 in commercial and industrial water systems. It restores proper relief valve function to prevent backflow contamination, ensuring compliance with plumbing codes. This kit is designed for Watts RK-909 series and the 3/4 -1 LF909 model.

What are the specifications of the Watts relief valve repair kit?

The Watts relief valve repair kit (MPN 909-3/4 - 1 Relief Valve) is compatible with valve sizes from 3/4 in to 1 in. It includes lubricant and is designed for the RK-909 series and the 3/4 -1 LF909 model. It also fits part number 1 LF909-QT-FS.

Where to buy the Watts relief valve repair kit worldwide?

3G Electric supplies the Watts relief valve repair kit worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this genuine Watts repair kit for your backflow preventer maintenance needs.

How to install the Watts relief valve repair kit?

To install the Watts relief valve repair kit, first depressurize the backflow preventer and remove the old relief valve components. Clean the mating surfaces, apply the included lubricant to new seals, and reassemble per Watts instructions. Always test for proper operation after 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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Compatible alternatives & equivalents

Cross-referenced by specification & description
Repair kit for Watts Series 909 backflow preventers, compatible with valve size M1 and model 1-1/4 - 2 LF909M1. Includes two piston O-rings for servicing relief valves in water systems
Watts
Repair kit for Watts Series 909 backflow preventers, compatible with valve size M1 and model 1-1/4 - 2 LF909M1. Includes two piston O-rings for servicing relief valves in water systems
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
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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 is designed for servicing Watts Series 909 backflow preventers with a 4-inch valve size, including model 4 LF909. It contains a sleeve O-ring to replace worn components and restore proper sealing. Used in commercial and industrial water systems to maintain backflow protection
Watts
This repair kit is designed for servicing Watts Series 909 backflow preventers with a 4-inch valve size, including model 4 LF909. It contains a sleeve O-ring to replace worn components and restore proper sealing. Used in commercial and industrial water systems to maintain backflow protection
This repair kit is designed for servicing relief valves on Watts Series 909 backflow preventers. It is compatible with M1 valve sizes and includes an adapter O-ring. The kit supports proper backflow prevention maintenance in water systems
Watts
This repair kit is designed for servicing relief valves on Watts Series 909 backflow preventers. It is compatible with M1 valve sizes and includes an adapter O-ring. The kit supports proper backflow prevention maintenance in water systems
This repair kit is designed for servicing Watts Series 909 backflow preventers. It includes a piston O-ring and is compatible with 8-inch valve models such as the 8 LF909M1. Used to replace worn seals and restore proper valve function in commercial water systems
Watts
This repair kit is designed for servicing Watts Series 909 backflow preventers. It includes a piston O-ring and is compatible with 8-inch valve models such as the 8 LF909M1. Used to replace worn seals and restore proper valve function in commercial water systems
Total relief kit for servicing relief valves on Watts backflow preventers. Compatible with valve sizes 3/4 in to 1 in and Series RK-909 models including 3/4 -1 LF909. Includes lubricant for assembly
Watts
Total relief kit for servicing relief valves on Watts backflow preventers. Compatible with valve sizes 3/4 in to 1 in and Series RK-909 models including 3/4 -1 LF909. Includes lubricant for assembly

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This repair kit includes a second check module for Watts backflow preventers. It is compatible with valve sizes 2-1/2 in to 4 in and fits Series 957 and 957RPDA models. Used to restore check-valve function in backflow prevention assemblies
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This repair kit includes a second check module for Watts backflow preventers. It is compatible with valve sizes 2-1/2 in to 4 in and fits Series 957 and 957RPDA models. Used to restore check-valve function in backflow prevention assemblies
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This repair kit includes two disc assemblies for restoring sealing performance in Watts Series 009 backflow preventers. Compatible with valve sizes 3/4 to 1 inch and model 009-M1-QTS. Used for maintenance in water supply systems to ensure backflow protection
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This repair kit includes two disc assemblies for restoring sealing performance in Watts Series 009 backflow preventers. Compatible with valve sizes 3/4 to 1 inch and model 009-M1-QTS. Used for maintenance in water supply systems to ensure backflow protection
Repair kit for Watts backflow preventers, includes disc holder. Compatible with 2-inch valve sizes in Series RK-LF719 and Model LF719. Used for servicing first or second check valves in cross-connection control systems
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Repair kit for Watts backflow preventers, includes disc holder. Compatible with 2-inch valve sizes in Series RK-LF719 and Model LF719. Used for servicing first or second check valves in cross-connection control systems
Repair kit for Watts 009 series backflow preventers. Includes seat. Compatible with 3/4-inch valve sizes, models 3/4 009M2 and LF009M2. Used to restore relief-valve function in backflow prevention assemblies
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Repair kit for Watts 009 series backflow preventers. Includes seat. Compatible with 3/4-inch valve sizes, models 3/4 009M2 and LF009M2. Used to restore relief-valve function in backflow prevention assemblies
Repair kit for first or second check valves in Watts backflow preventers. Includes cover O-ring. Compatible with 3/4 in valve size and models LF719, 719/LF719, and RK-LF719 series
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Repair kit for first or second check valves in Watts backflow preventers. Includes cover O-ring. Compatible with 3/4 in valve size and models LF719, 719/LF719, and RK-LF719 series
Repair kit for Watts 009M3 backflow preventers, compatible with 3/4 in valve size. Includes two seat O-rings for restoring sealing function in backflow prevention assemblies
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Repair kit for Watts 009M3 backflow preventers, compatible with 3/4 in valve size. Includes two seat O-rings for restoring sealing function in backflow prevention assemblies
This repair kit is designed for servicing Watts Series 909 and model 4-6 LF909 backflow preventers. It includes an RV disc assembly and is compatible with valve sizes from 4 to 6 inches. Used in commercial and industrial water systems to replace worn relief valve components and maintain backflow protection
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This repair kit is designed for servicing Watts Series 909 and model 4-6 LF909 backflow preventers. It includes an RV disc assembly and is compatible with valve sizes from 4 to 6 inches. Used in commercial and industrial water systems to replace worn relief valve components and maintain backflow protection