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Watts Backflow Preventer Repair Kits: Check Valve Kit - Repair Kits & Parts for Watts Backflow Preventers
WattsRepair Kits & Parts for Watts Backflow Preventers

Watts Backflow Preventer Repair Kits: Check Valve Kit

The WATTS Backflow Preventer Repair Kits: Check Valve Kit (SKU 844GJ5, MPN LFRK909M1-CK2 1-1/4-2) is a repair kit for Watts backflow preventers. It includes a spring and is compatible with valve sizes 1-1/4 in to 2…

SKU 3G-OTH-436757

Brand
Watts
Item
Backflow Preventer Repair Kits: Check Valve Kit
Category
Repair Kits & Parts for Watts Backflow Preventers
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Technical Specifications

Watts
Manufacturer Part Number
LFRK909M1-CK2 1-1/4-2
Type
15W050/15W051/15W052/818DD1/818DD7/818DE2
Includes
Spring
Compatible Valve Size
1-1/4 in to 2 in
Compatible with Series
LF909-FS
Compatible with Mfr. Model No.
LF909
Compatible with Grainger Part No.
818DE2
View Full Spec Sheet

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

Product Description

The WATTS Backflow Preventer Repair Kits: Check Valve Kit (SKU 844GJ5, MPN LFRK909M1-CK2 1-1/4-2) is a repair kit for Watts backflow preventers. It includes a spring and is compatible with valve sizes 1-1/4 in to 2 in. This kit is designed for use with the LF909-FS series and LF909 model backflow preventers.

Frequently Asked Questions

What is the Watts backflow preventer check valve kit used for?

This repair kit is used to replace the check valve assembly in Watts LF909-FS series backflow preventers. It includes a spring and fits valve sizes 1-1/4 in to 2 in. It is essential for maintaining backflow prevention in commercial and industrial water systems to prevent contamination.

What are the specifications of the Watts LFRK909M1-CK2 check valve kit?

The kit (MPN LFRK909M1-CK2 1-1/4-2) includes a spring and is compatible with valve sizes 1-1/4 in to 2 in. It works with Watts LF909-FS series and LF909 model backflow preventers, and is also compatible with Grainger part number 818DE2. It is a genuine Watts repair component.

Where to buy Watts backflow preventer repair kits worldwide?

3G Electric supplies Watts backflow preventer repair kits worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us to order the LFRK909M1-CK2 check valve kit or other Watts repair parts for your system.

How to install the Watts check valve repair kit?

To install, first depressurize the backflow preventer and remove the old check valve assembly. Install the new kit components, including the spring, ensuring proper orientation. Reassemble the valve and test for leaks. Always follow Watts installation instructions and local plumbing codes for safe operation.

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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