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Watts Total Relief Kit: Total Relief Kit, 3/4 LF909-QT-FS/1 LF909-QT-FS - Repair Kits & Parts for Watts Backflow Preventers
WattsRepair Kits & Parts for Watts Backflow Preventers

Watts Total Relief Kit: Total Relief Kit, 3/4 LF909-QT-FS/1 LF909-QT-FS

The WATTS Total Relief Kit is a repair kit for Watts backflow preventers, compatible with valve sizes from 3/4 in to 1 in. It is designed for use with Series RK-909 and Mfr. Model No. 3/4 -1 LF909, and includes…

SKU 3G-OTH-436865

Also listed as: 909341TotalReliefKit · 909 3 4 1 Total Relief Kit · 909-3-4-1-Total-Relief-Kit

Brand
Watts
Item
Total Relief Kit: Total Relief Kit, 3/4 LF909-QT-FS/1 LF909-QT-FS
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
909-3/4 - 1 Total Relief Kit
Type
818DD4/818DD6
Includes
Lubricant
Compatible Valve Size
3/4 in to 1 in
Compatible with Series
RK-909
Compatible with Mfr. Model No.
3/4 -1 LF909

Technical Documents

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

Product Description

The WATTS Total Relief Kit is a repair kit for Watts backflow preventers, compatible with valve sizes from 3/4 in to 1 in. It is designed for use with Series RK-909 and Mfr. Model No. 3/4 -1 LF909, and includes lubricant. The kit is identified by Manufacturer Part Number 909-3/4 - 1 Total Relief Kit and Part No. 818DD4.

Frequently Asked Questions

What is the Watts Total Relief Kit used for?

The Watts Total Relief Kit is a repair kit for Watts backflow preventers. It is used to service relief valves on backflow assemblies, ensuring proper operation and compliance with plumbing codes. The kit includes lubricant and is compatible with valve sizes from 3/4 in to 1 in.

What are the specifications of the Watts Total Relief Kit?

The Watts Total Relief Kit (MPN 909-3/4 - 1 Total Relief Kit) is compatible with valve sizes from 3/4 in to 1 in. It works with Series RK-909 and Mfr. Model No. 3/4 -1 LF909. The kit includes lubricant and is identified by Part No. 3/4 LF909-QT-FS.

Where to buy the Watts Total Relief Kit worldwide?

3G Electric supplies the Watts Total Relief Kit worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this genuine Watts repair kit for your backflow preventer.

How to install the Watts Total Relief Kit?

To install the Watts Total Relief Kit, first depressurize the backflow preventer and remove the old relief valve assembly. Apply the included lubricant to the new kit's seals and gaskets, then install the kit according to Watts' instructions. Always follow local plumbing codes and manufacturer guidelines.

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
WATTS Total Relief Kit: Total Relief Kit, 2 LF909M1-QT-FS/1-1/2 LF909M1-QT-FS/1-1/4 LF909M1-QT-FS, 1 1/4 - 2 LF909M1, Repair Kit, 909 (MPN 909 M1 1-1/4 - 2 Total Relief Kit)
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WATTS Total Relief Kit: Total Relief Kit, 2 LF909M1-QT-FS/1-1/2 LF909M1-QT-FS/1-1/4 LF909M1-QT-FS, 1 1/4 - 2 LF909M1, Repair Kit, 909 (MPN 909 M1 1-1/4 - 2 Total Relief Kit)
WATTS Total Relief Kit: Total Relief Kit, LF909-DNRS-FS/LF909-DNRS-FS, 4 in Compatible Valve Size, 4 LF909, 909 (MPN 909 4 Total Relief Kit)
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WATTS Total Relief Kit: Total Relief Kit, LF909-DNRS-FS/LF909-DNRS-FS, 4 in Compatible Valve Size, 4 LF909, 909 (MPN 909 4 Total Relief Kit)
WATTS Total Relief Kit: Total Relief Kit, LF909-DOSY-FS/LF909-DOSY-FS/LF909-DOSY-FS/LF909-DNRS-FS, 2 1/2-3 LF909, Repair Kit (MPN 909 2-1/2 - 3 Total Relief Kit)
Watts
WATTS Total Relief Kit: Total Relief Kit, LF909-DOSY-FS/LF909-DOSY-FS/LF909-DOSY-FS/LF909-DNRS-FS, 2 1/2-3 LF909, Repair Kit (MPN 909 2-1/2 - 3 Total Relief Kit)
WATTS Total Relief Kit: Total Relief Kit, LF909M1-DOSY-FS, 8 in/M1 Compatible Valve Size, 8 LF909M1, 909 (MPN 909 M1 8 Total Relief Kit)
Watts
WATTS Total Relief Kit: Total Relief Kit, LF909M1-DOSY-FS, 8 in/M1 Compatible Valve Size, 8 LF909M1, 909 (MPN 909 M1 8 Total Relief Kit)
This repair kit is designed for Watts Series 909 backflow preventers with an 8-inch valve size. It includes a sleeve O-ring and is compatible with model 8 LF909M1. Used to replace worn internal components in commercial and industrial water systems
Watts
This repair kit is designed for Watts Series 909 backflow preventers with an 8-inch valve size. It includes a sleeve O-ring and is compatible with model 8 LF909M1. Used to replace worn internal components in commercial and industrial water systems
WATTS Total Relief Kit: Total Relief Kit, 3/4 009M3-QT/3/4 LF009M3-QT-FS/3/4 LF009M3-QTw/press-FS/3/4 LF009M3-QT-S-FS, 3/4 009M3/LF009M3, Repair Kit (MPN 009 M3-3/4 Total Relief Kit)
Watts
WATTS Total Relief Kit: Total Relief Kit, 3/4 009M3-QT/3/4 LF009M3-QT-FS/3/4 LF009M3-QTw/press-FS/3/4 LF009M3-QT-S-FS, 3/4 009M3/LF009M3, Repair Kit (MPN 009 M3-3/4 Total Relief Kit)

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