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Watts 909 8 1st Check Kit - Repair Kits & Parts for Watts Backflow Preventers
WattsRepair Kits & Parts for Watts Backflow Preventers

Watts 909 8 1st Check Kit

The WATTS First Check Valve Repair Kit is a repair kit for Watts backflow preventers, designed for use with the Series 909. This kit includes a disc assembly and is compatible with an 8-inch valve size, specifically…

SKU 3G-OTH-436713

Also listed as: 90981stCheckKit · 909-8-1st-Check-Kit

Brand
Watts
Item
909 8 1st Check Kit
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 8 1st Check Kit
Type
793PG8
Includes
Disc Assembly
Compatible Valve Size
8 in
Compatible with Series
909
Compatible with Mfr. Model No.
8 LF909M1

Technical Documents

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

Product Description

The WATTS First Check Valve Repair Kit is a repair kit for Watts backflow preventers, designed for use with the Series 909. This kit includes a disc assembly and is compatible with an 8-inch valve size, specifically fitting model number 8 LF909M1. It is identified by manufacturer part number 909 8 1st Check Kit and part number 793PG8.

Frequently Asked Questions

What is the Watts First Check Valve Repair Kit used for?

The Watts First Check Valve Repair Kit is used to repair the first check valve in Watts Series 909 backflow preventers. It is essential for maintaining backflow prevention in commercial and industrial water systems, ensuring compliance with cross-connection control regulations.

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

This repair kit includes a disc assembly and is compatible with an 8-inch valve size. It fits the Watts Series 909 backflow preventer, specifically model number 8 LF909M1. The manufacturer part number is 909 8 1st Check Kit, and the part number is LF909M1-DOSY-FS.

Where to buy the Watts First Check Valve Repair Kit worldwide?

You can source the Watts First Check Valve Repair Kit through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive genuine Watts components for your backflow prevention system.

How to install the Watts First Check Valve Repair Kit?

To install, first depressurize and drain the backflow preventer. Remove the first check valve cover, replace the old disc assembly with the new one from the kit, and reassemble. Always follow Watts' installation instructions and local plumbing codes to ensure proper sealing and backflow protection.

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
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
Watts
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
WATTS First Check Valve Repair Kit: First Check Valve Repair Kit, LF909-DOSY-FS, 6 in Compatible Valve Size (MPN 909 6 1st Check Kit)
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WATTS First Check Valve Repair Kit: First Check Valve Repair Kit, LF909-DOSY-FS, 6 in Compatible Valve Size (MPN 909 6 1st Check Kit)
WATTS First Check Valve Repair Kit: First Check Valve Repair Kit, LF909-DOSY-FS/LF909-DOSY-FS/LF909-DOSY-FS/LF909-DNRS-FS (MPN 909 2-1/2 - 3 1st Check Kit)
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WATTS First Check Valve Repair Kit: First Check Valve Repair Kit, LF909-DOSY-FS/LF909-DOSY-FS/LF909-DOSY-FS/LF909-DNRS-FS (MPN 909 2-1/2 - 3 1st Check Kit)
WATTS First Check Valve Repair Kit: First Check Kit, 2 009M2-QT/2 LF009M2-QT-S/2 LF009-QT-FS, 2 009M2/LF009M2, 009 (MPN 009 M2 2 1st Check Kit)
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WATTS First Check Valve Repair Kit: First Check Kit, 2 009M2-QT/2 LF009M2-QT-S/2 LF009-QT-FS, 2 009M2/LF009M2, 009 (MPN 009 M2 2 1st Check Kit)
This repair kit is used to service the first check valve in Watts backflow preventers. It is compatible with valve sizes 3/4 in to 1 in and fits Watts model 3/4-1 LF909 and series RK-909. The kit includes lubricant for proper reassembly
Watts
This repair kit is used to service the first check valve in Watts backflow preventers. It is compatible with valve sizes 3/4 in to 1 in and fits Watts model 3/4-1 LF909 and series RK-909. The kit includes lubricant for proper reassembly
WATTS First Check Valve Repair Kit: First Check Valve Repair Kit, LF909-DNRS-FS/LF909-DNRS-FS, 4 LF909, Repair Kit (MPN LFRK 909-CK1 4)
Watts
WATTS First Check Valve Repair Kit: First Check Valve Repair Kit, LF909-DNRS-FS/LF909-DNRS-FS, 4 LF909, Repair Kit (MPN LFRK 909-CK1 4)

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