Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
Watts LFRK 909-RT 6 Backflow Preventer Repair Kit - Repair Kits & Parts for Watts Backflow Preventers
WattsRepair Kits & Parts for Watts Backflow Preventers

Watts LFRK 909-RT 6 Backflow Preventer Repair Kit

The WATTS Backflow Preventer Repair Kit (SKU LFRK 909-RT 6, MPN LFRK 909-RT 6) is a complete rubber parts kit designed for use with Watts backflow preventers. It is compatible with Series 909 and model 6 LF909, and…

SKU 3G-OTH-436712

Also listed as: LFRK909RT6 · LFRK 909 RT 6 · LFRK-909-RT-6

Brand
Watts
Item
LFRK 909-RT 6 Backflow Preventer Repair Kit
Category
Repair Kits & Parts for Watts Backflow Preventers
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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
LFRK 909-RT 6
Type
793PG7
Includes
Lubricant
Compatible Valve Size
6 in
Compatible with Series
909
Compatible with Mfr. Model No.
6 LF909

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The WATTS Backflow Preventer Repair Kit (SKU LFRK 909-RT 6, MPN LFRK 909-RT 6) is a complete rubber parts kit designed for use with Watts backflow preventers. It is compatible with Series 909 and model 6 LF909, and fits a 6-inch valve size. The kit includes lubricant for installation.

Frequently Asked Questions

What is the Watts backflow preventer repair kit used for?

The Watts LFRK 909-RT 6 repair kit is used to replace worn rubber components in Watts Series 909 backflow preventers with a 6-inch valve size. It restores sealing performance and includes lubricant for installation. 3G Electric supplies this genuine Watts kit for industrial plumbing and water system maintenance worldwide.

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

This Watts repair kit is compatible with a 6-inch valve size and Series 909 backflow preventers, specifically model 6 LF909. It includes lubricant and is identified by part number LF909-DOSY-FS. 3G Electric sources this genuine Watts kit for industrial applications.

Where to buy a Watts backflow preventer repair kit worldwide?

3G Electric supplies the genuine Watts LFRK 909-RT 6 repair kit worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this kit to your facility. Contact us for availability and lead time.

How to install a Watts backflow preventer repair kit?

To install the Watts LFRK 909-RT 6 kit, depressurize the system, disassemble the Series 909 valve body, replace all rubber parts with the included components, apply the supplied lubricant, and reassemble. Follow the manufacturer’s instructions for torque specifications. 3G Electric provides this genuine Watts kit for maintenance.

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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Compatible alternatives & equivalents

Cross-referenced by specification & description
Repair kit for Watts Series 909 backflow preventers. Includes lubricant. Compatible with 8-inch valves, including model 8 LF909M1. Type 793PG8
Watts
Repair kit for Watts Series 909 backflow preventers. Includes lubricant. Compatible with 8-inch valves, including model 8 LF909M1. Type 793PG8
Repair kit for Watts Series 909 backflow preventers. Includes diaphragm. Compatible with 4-inch valve size and model 4 LF909. Type 793PG4/793PG6
Watts
Repair kit for Watts Series 909 backflow preventers. Includes diaphragm. Compatible with 4-inch valve size and model 4 LF909. Type 793PG4/793PG6
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
This repair kit is for servicing Watts Series 909 backflow preventers. It includes an RV disc assembly and is compatible with valve sizes 3/4 in to 1 in, specifically for model 3/4 -1 LF909. Used to replace worn rubber components in backflow prevention assemblies
Watts
This repair kit is for servicing Watts Series 909 backflow preventers. It includes an RV disc assembly and is compatible with valve sizes 3/4 in to 1 in, specifically for model 3/4 -1 LF909. Used to replace worn rubber components in backflow prevention assemblies
WATTS Backflow Preventer Repair Kit: Complete Rubber Parts Kit, 2 LF909M1-QT-FS/1-1/2 LF909M1-QT-FS/1-1/4 LF909M1-QT-FS, Repair Kit (MPN LFRK 909M1-RT 1-1/4-2)
Watts
WATTS Backflow Preventer Repair Kit: Complete Rubber Parts Kit, 2 LF909M1-QT-FS/1-1/2 LF909M1-QT-FS/1-1/4 LF909M1-QT-FS, Repair Kit (MPN LFRK 909M1-RT 1-1/4-2)
This repair kit is designed for servicing Watts backflow preventers. It includes an RV disc assembly and is compatible with 6-inch valve sizes, Series RK-909, and model 6 LF909. The kit is used to restore proper function in backflow prevention assemblies, helping to maintain potable water system protection
Watts
This repair kit is designed for servicing Watts backflow preventers. It includes an RV disc assembly and is compatible with 6-inch valve sizes, Series RK-909, and model 6 LF909. The kit is used to restore proper function in backflow prevention assemblies, helping to maintain potable water system protection

More from Watts

View all Watts parts →
Watts
Watts
This repair kit includes a check assembly for restoring proper sealing in Watts 009M2 backflow preventers. Compatible with 2 in valve size and Series RK-009. Used in commercial and industrial water systems to maintain cross-connection control
This total relief kit is designed for use with Watts Series 009 backflow preventers with a compatible valve size of 1 inch. The kit includes a cover O-ring and is compatible with models 009M2 and LF009M2. It is used to maintain relief valve function in backflow prevention assemblies
Watts
This total relief kit is designed for use with Watts Series 009 backflow preventers with a compatible valve size of 1 inch. The kit includes a cover O-ring and is compatible with models 009M2 and LF009M2. It is used to maintain relief valve function in backflow prevention assemblies
Repair kit for Watts Series 800M4 backflow preventers. Includes float vent disc assembly with vent float seal and spring. Compatible with 1-inch valve sizes and model 1 800M4. Used to service vacuum breakers in water systems
Watts
Repair kit for Watts Series 800M4 backflow preventers. Includes float vent disc assembly with vent float seal and spring. Compatible with 1-inch valve sizes and model 1 800M4. Used to service vacuum breakers in water systems
Repair kit for Watts Series 909 backflow preventers, compatible with valve sizes 1-1/4 in to 2 in. Includes cover O-ring. For use with models 818DD1, 818DD7, 818DE2, and LF909M1
Watts
Repair kit for Watts Series 909 backflow preventers, compatible with valve sizes 1-1/4 in to 2 in. Includes cover O-ring. For use with models 818DD1, 818DD7, 818DE2, and LF909M1
This repair kit includes a second check module for Watts backflow preventers. It is compatible with 6-inch valves in the LF957RPDA series and 957RPDA model. Used to replace worn check modules in backflow prevention assemblies for maintaining system integrity
Watts
This repair kit includes a second check module for Watts backflow preventers. It is compatible with 6-inch valves in the LF957RPDA series and 957RPDA model. Used to replace worn check modules in backflow prevention assemblies for maintaining system integrity
Brass repair cap with 1/8 in male IPS connection for Watts backflow preventers. Compatible with Series 4000B. Used to seal threaded ports during maintenance or replacement of components in water supply systems
Watts
Brass repair cap with 1/8 in male IPS connection for Watts backflow preventers. Compatible with Series 4000B. Used to seal threaded ports during maintenance or replacement of components in water supply systems
Repair kit for Watts Series 009 backflow preventers. Includes stem O-rings. Compatible with valve sizes 1/4 in to 1/2 in and model SS009M3QT. Used to replace worn rubber parts in backflow preventers for maintaining cross-connection control in plumbing systems
Watts
Repair kit for Watts Series 009 backflow preventers. Includes stem O-rings. Compatible with valve sizes 1/4 in to 1/2 in and model SS009M3QT. Used to replace worn rubber parts in backflow preventers for maintaining cross-connection control in plumbing systems
Second check repair kit for Watts backflow preventers. Compatible with 3/4 in valve size, Series RK-919, and model 3/4 LF919-QT-S-FS. Used to restore sealing function in backflow prevention assemblies for potable water systems
Watts
Second check repair kit for Watts backflow preventers. Compatible with 3/4 in valve size, Series RK-919, and model 3/4 LF919-QT-S-FS. Used to restore sealing function in backflow prevention assemblies for potable water systems