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Watts First Check Valve Repair Kit LFRK909M1-CK1 1-1/4-2 - Repair Kits & Parts for Watts Backflow Preventers
WattsRepair Kits & Parts for Watts Backflow Preventers

Watts First Check Valve Repair Kit LFRK909M1-CK1 1-1/4-2

The WATTS First Check Valve Repair Kit (SKU 3G-OTH-436831) is a repair kit for Watts backflow preventers, designed for use with Series 909 models. It is compatible with valve sizes from 1-1/4 in to 2 in and includes…

SKU 3G-OTH-436831

Also listed as: LFRK909M1CK11142 · LFRK909M1 CK1 1 1 4 2 · LFRK909M1-CK1-1-1-4-2

Brand
Watts
Item
First Check Valve Repair Kit LFRK909M1-CK1 1-1/4-2
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
LFRK909M1-CK1 1-1/4-2
Type
818DD1/818DD7/818DE2
LF909M1
1 1/4 - 2
Includes
Cover O-Ring
Compatible Valve Size
1-1/4 in to 2 in
Compatible with Series
909
Compatible with Mfr. Model No.
1-1/4 - 2 LF909M1

Technical Documents

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

Product Description

The WATTS First Check Valve Repair Kit (SKU 3G-OTH-436831) is a repair kit for Watts backflow preventers, designed for use with Series 909 models. It is compatible with valve sizes from 1-1/4 in to 2 in and includes a Cover O-Ring. The kit is identified by manufacturer part number LFRK909M1-CK1 1-1/4-2 and is compatible with part number 818DD7.

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 replaces worn internal components in Series 909 models, helping maintain backflow protection and code compliance. 3G Electric supplies this genuine Watts kit for worldwide delivery.

What are the specifications of the Watts First Check Valve Repair Kit?

This Watts repair kit (MPN LFRK909M1-CK1 1-1/4-2) fits valve sizes from 1-1/4 in to 2 in and is compatible with Series 909 backflow preventers. It includes a Cover O-Ring and is identified by part number 1-1/2 LF909M1-QT-FS. 3G Electric sources this genuine Watts kit for global supply.

Where to buy Watts First Check Valve Repair Kit worldwide?

3G Electric supplies the Watts First Check Valve Repair Kit worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this genuine Watts repair kit to your facility. Contact us for availability and lead time on this Series 909-compatible kit.

How to install the Watts First Check Valve Repair Kit?

Installation requires depressurizing the backflow preventer and removing the first check valve assembly. Replace the old components with the new Cover O-Ring and included parts from the Watts kit. Follow the manufacturer's instructions for Series 909 models. 3G Electric supplies this genuine Watts kit for global delivery.

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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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 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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