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WATTS Reduced Pressure Zone Backflow Preventer (MPN 3/4 LF909-QT-FS) - Watts RPZ Backflow Preventers
WATTSWatts RPZ Backflow Preventers

WATTS Reduced Pressure Zone Backflow Preventer (MPN 3/4 LF909-QT-FS)

The Watts Reduced Pressure Zone Backflow Preventer (MPN 3/4 LF909-QT-FS) is a backflow prevention device with a ball valve shut-off and FNPT connection. 3G Electric interprets your demand for this OEM-specified…

SKU 3G-OTH-740665

Brand
WATTS
Item
Reduced Pressure Zone Backflow Preventer
Category
Watts RPZ Backflow Preventers
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Technical Specifications

WATTS
Manufacturer Part Number
3/4 LF909-QT-FS
Connection Type
FNPT
Shut-Off Valve Type
Ball Valve
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WATTS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Watts Reduced Pressure Zone Backflow Preventer (MPN 3/4 LF909-QT-FS) is a backflow prevention device with a ball valve shut-off and FNPT connection. 3G Electric interprets your demand for this OEM-specified assembly, sourcing and quoting it across 14 industrial departments, with specialist depth in combustion, pumps, and controls as an authorised distributor.

Frequently Asked Questions

What is a Watts Reduced Pressure Zone Backflow Preventer used for?

A Watts Reduced Pressure Zone Backflow Preventer protects potable water supplies from cross-connection contamination. It is used in commercial and industrial plumbing systems where back-siphonage or back-pressure could occur, ensuring safe water delivery in facilities worldwide.

What are the specifications of the Watts 3/4 LF909-QT-FS backflow preventer?

The Watts 3/4 LF909-QT-FS Reduced Pressure Zone Backflow Preventer features a ball valve shut-off type and FNPT (female national pipe thread) connection. It is designed for 3/4-inch pipe systems and is manufactured by Watts, a trusted brand in water safety.

Where to buy a Watts RPZ backflow preventer worldwide?

3G Electric supplies and delivers the Watts RPZ backflow preventer worldwide. We handle full logistics and customs clearance, sourcing genuine OEM parts like the 3/4 LF909-QT-FS across 14 industrial departments, with specialist depth in pumps and controls.

How to install a Watts reduced pressure zone backflow preventer?

Install the Watts RPZ backflow preventer in a horizontal or vertical position with adequate clearance for testing and maintenance. Ensure flow direction matches the arrow on the body, and use thread sealant on FNPT connections. 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 watts rpz 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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