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Watts LFRK 909-CK1 2-1/2-3 First Check Valve Repair Kit for - Repair Kits & Parts for Watts Backflow Preventers
WattsRepair Kits & Parts for Watts Backflow Preventers

Watts LFRK 909-CK1 2-1/2-3 First Check Valve Repair Kit for

The WATTS First Check Valve Repair Kit (SKU LFRK 909-CK1 2-1/2-3, MPN LFRK 909-CK1 2-1/2-3) is a repair kit for Watts backflow preventers, compatible with Series 909 and Mfr. Model No. 2-1/2-3 LF909. It is designed…

SKU 3G-OTH-436700

Also listed as: LFRK909CK12123 · LFRK 909 CK1 2 1 2 3 · LFRK-909-CK1-2-1-2-3

Brand
Watts
Item
LFRK 909-CK1 2-1/2-3 First Check Valve Repair Kit for
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-CK1 2-1/2-3
Type
793PG1/793PG2/793PG3/793PG5, Repair Kit
Includes
Lubricant
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 First Check Valve Repair Kit (SKU LFRK 909-CK1 2-1/2-3, MPN LFRK 909-CK1 2-1/2-3) is a repair kit for Watts backflow preventers, compatible with Series 909 and Mfr. Model No. 2-1/2-3 LF909. It is designed for valve sizes 2-1/2 in to 3 in and includes lubricant.

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 First Check Valve Repair Kit used for?

The Watts First Check Valve Repair Kit is used to service backflow preventers in commercial and industrial water systems. It repairs the first check valve on Series 909 models, including the 2-1/2-3 LF909, for valve sizes 2-1/2 in to 3 in, ensuring reliable backflow protection.

What are the specifications of the Watts LFRK 909-CK1 2-1/2-3 repair kit?

The Watts LFRK 909-CK1 2-1/2-3 repair kit is compatible with valve sizes 2-1/2 in to 3 in and Series 909 backflow preventers, including Mfr. Model No. 2-1/2-3 LF909. It includes lubricant and is designed for Part No. LF909-DOSY-FS, LF909-DOSY-FS, LF909-DOSY-FS, and LF909-DNRS-FS.

Where to buy Watts First Check Valve Repair Kit worldwide?

3G Electric supplies the Watts First Check Valve Repair Kit (SKU 3G-OTH-436700) worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us to order this genuine Watts repair kit for your backflow preventer.

How to install the Watts First Check Valve Repair Kit?

To install the Watts First Check Valve Repair Kit, first depressurize and drain the backflow preventer. Remove the first check valve assembly, replace worn components with the kit's parts, apply the included lubricant, and reassemble. Follow Watts' Series 909 manual for torque and testing procedures.

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 the first check valve in Watts LF909 backflow preventers. Compatible with 4 in valve size and Series RK-LF909. Includes a cover O-ring. Used to service and rebuild the check valve assembly
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Repair kit for the first check valve in Watts LF909 backflow preventers. Compatible with 4 in valve size and Series RK-LF909. Includes a cover O-ring. Used to service and rebuild the check valve assembly
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This repair kit services the second check assembly in Watts Series 909 backflow preventers. Compatible with valve sizes 2-1/2 in to 3 in, it includes lubricant for reassembly. Used to restore proper sealing in backflow prevention systems for commercial and industrial water supply applications
Repair kit for the first check valve in Watts backflow preventers. Includes cover O-ring. Compatible with valve sizes 2-1/2 in to 3 in and series RK-LF909. Used for servicing backflow prevention assemblies in water systems
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Repair kit for the first check valve in Watts backflow preventers. Includes cover O-ring. Compatible with valve sizes 2-1/2 in to 3 in and series RK-LF909. Used for servicing backflow prevention assemblies in water systems
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This repair kit is designed for servicing the second check valve in Watts Series 909 backflow preventers. It includes a spring assembly and is compatible with 4-inch valves, model 4 LF909. Used in commercial and industrial water systems to maintain backflow prevention
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This repair kit is designed for servicing the second check valve in Watts Series 909 backflow preventers. It includes a spring assembly and is compatible with 4-inch valves, model 4 LF909. Used in commercial and industrial water systems to maintain backflow prevention
This repair kit services the first check valve in Watts Series 909 backflow preventers. Compatible with 4-inch valve models including the 4 LF909. Includes lubricant for reassembly. Used in commercial and industrial water systems to maintain backflow prevention
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This repair kit services the first check valve in Watts Series 909 backflow preventers. Compatible with 4-inch valve models including the 4 LF909. Includes lubricant for reassembly. Used in commercial and industrial water systems to maintain backflow prevention

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