Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

Watts Single access cover and modular check construction for the ease of maintenance: LF009 - Watts RPZ Backflow Preventers
WattsWatts RPZ Backflow Preventers

Watts Single access cover and modular check construction for the ease of maintenance: LF009

The Watts LF009-QT-FS is a single access cover and modular check construction for Watts RPZ Backflow Preventers, featuring a polymer seat material and a ball valve shut-off type. It connects via NPT and is identified…

SKU 3G-OTH-444391

Also listed as: 2LF009QTFS · 2 LF009 QT FS · 2-LF009-QT-FS

Brand
Watts
Item
Single access cover and modular check construction for the ease of maintenance: LF009
Category
Watts RPZ Backflow Preventers
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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
2 LF009-QT-FS
Type
NPT
Seat Material
Polymer
Connection Type
NPT
Ease Of Maintenance
LF009
Shut-Off Valve Type
Ball Valve

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The Watts LF009-QT-FS is a single access cover and modular check construction for Watts RPZ Backflow Preventers, featuring a polymer seat material and a ball valve shut-off type. It connects via NPT and is identified by manufacturer part number 2 LF009-QT-FS.

Frequently Asked Questions

What is the Watts LF009-QT-FS used for?

The Watts LF009-QT-FS is a single access cover and modular check construction for Watts RPZ backflow preventers. It is used in commercial and industrial water systems to simplify maintenance of backflow assemblies, ensuring safe water supply by preventing reverse flow contamination.

What are the specifications of the Watts LF009-QT-FS?

The Watts LF009-QT-FS features a polymer seat material, a ball valve shut-off type, and NPT connection type. It is designed for ease of maintenance with a single access cover and modular check construction. The manufacturer part number is 2 LF009-QT-FS.

Where to buy the Watts LF009-QT-FS worldwide?

3G Electric supplies the Watts LF009-QT-FS to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this backflow preventer component.

How to install the Watts LF009-QT-FS?

Install the Watts LF009-QT-FS by connecting it to the RPZ backflow preventer using the NPT threads. Ensure the polymer seat is clean and the ball valve is in the correct position. Follow standard backflow assembly installation practices 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 watts rpz backflow preventers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
WATTS Single access cover and modular check construction for easier maintenance: LF009, NPT, Polymer (MPN 11/2 LF009-QT-FS)
Watts
WATTS Single access cover and modular check construction for easier maintenance: LF009, NPT, Polymer (MPN 11/2 LF009-QT-FS)
WATTS Single access cover and modular check construction for easier maintenance: LF009, FNPT (MPN 1 LF009M2-QT-FS)
Watts
WATTS Single access cover and modular check construction for easier maintenance: LF009, FNPT (MPN 1 LF009M2-QT-FS)
WATTS Single access cover and modular check construction for easier maintenance: LF009, FNPT (MPN 3/4 LF009M3-QT-FS)
Watts
WATTS Single access cover and modular check construction for easier maintenance: LF009, FNPT (MPN 3/4 LF009M3-QT-FS)
WATTS Single access cover and modular check construction for the ease of maintenance: LF009, Press (MPN 3/4 LF009M3-QTw/press-FS)
Watts
WATTS Single access cover and modular check construction for the ease of maintenance: LF009, Press (MPN 3/4 LF009M3-QTw/press-FS)
WATTS Reduced Pressure Zone Assembly: LF919, With Flood Detection Sensor & Strainer, 2 in Pipe Size (MPN 2 LF919-QT-S-FS)
Watts
WATTS Reduced Pressure Zone Assembly: LF919, With Flood Detection Sensor & Strainer, 2 in Pipe Size (MPN 2 LF919-QT-S-FS)
WATTS Reduced Pressure Zone Assembly: LF919, With Flood Detection Sensor & Strainer, FNPT, Polymer (MPN 1-1/4 LF919-QT-S-FS)
Watts
WATTS Reduced Pressure Zone Assembly: LF919, With Flood Detection Sensor & Strainer, FNPT, Polymer (MPN 1-1/4 LF919-QT-S-FS)

More from Watts

View all Watts parts
WATTS Reduced Pressure Zone Assembly: LF909 Large, with Flood Detection Sensor, Cast Iron, Flange (MPN LF909-DOSY-FS)
Watts
WATTS Reduced Pressure Zone Assembly: LF909 Large, with Flood Detection Sensor, Cast Iron, Flange (MPN LF909-DOSY-FS)
WATTS Reduced Pressure Zone Assembly: LF909 Large, with Flood Detection Sensor, Cast Iron, Flange (MPN LF909-DOSY-FS)
Watts
WATTS Reduced Pressure Zone Assembly: LF909 Large, with Flood Detection Sensor, Cast Iron, Flange (MPN LF909-DOSY-FS)
WATTS Single access cover and modular check construction for the ease of maintenance: LF009, FNPT (MPN 1/2 LF009-QT-FS)
Watts
WATTS Single access cover and modular check construction for the ease of maintenance: LF009, FNPT (MPN 1/2 LF009-QT-FS)
WATTS Reduced Pressure Zone Assembly: 994, Std Configuration, Stainless Steel, 3 in Pipe Size (MPN 994-NRS)
Watts
WATTS Reduced Pressure Zone Assembly: 994, Std Configuration, Stainless Steel, 3 in Pipe Size (MPN 994-NRS)
WATTS Backflow Preventer: 009, Std Configuration, Bronze, 1 in Pipe Size, FNPT, 33°F – 180°F (MPN 1 009M2-QT)
Watts
WATTS Backflow Preventer: 009, Std Configuration, Bronze, 1 in Pipe Size, FNPT, 33°F – 180°F (MPN 1 009M2-QT)
WATTS Pressure Safety Relief Valve: LF909 Small, with Flood Detection Sensor, Copper Silicon Alloy (MPN 0391012)
Watts
WATTS Pressure Safety Relief Valve: LF909 Small, with Flood Detection Sensor, Copper Silicon Alloy (MPN 0391012)
WATTS Reduced Pressure Zone Backflow Preventer: 957, with Flood Detection Sensor, 3 in Pipe Size (MPN 957-OSY3)
Watts
WATTS Reduced Pressure Zone Backflow Preventer: 957, with Flood Detection Sensor, 3 in Pipe Size (MPN 957-OSY3)
WATTS Backflow Preventer: 009, Std Configuration, Bronze, 1 1/4 in Pipe Size, FNPT, 33°F – 180°F (MPN 1-1/4 009M2-QT)
Watts
WATTS Backflow Preventer: 009, Std Configuration, Bronze, 1 1/4 in Pipe Size, FNPT, 33°F – 180°F (MPN 1-1/4 009M2-QT)