Watts 3/4" LF009-QT / LF009-QT-FS Lead Free RPZ Backflow Preventer 88004111

Watts LF009-QT-FS 3/" Lead-Free RPZ Backflow Preventer, Reduced Pressure Assembly (88004111) - Quality Water Protection Valve.

Overview:

Protect What Matters Most—Your Water Supply!

The Watts LF009-QT-FS 3/4" Lead-Free Reduced Pressure Zone Backflow Preventer delivers industry-leading protection against water contamination, ensuring your potable water stays safe, clean, and code-compliant. Designed for reliability and built for durability, this RPZ valve features a corrosion-resistant lead-free body, advanced ArmorTek™ coating, and a built-in flood detection sensor to provide next-level security in residential, commercial, and industrial environments.

Whether you're guarding against cross-connection hazards in irrigation, boiler feeds, or municipal water systems, this backflow preventer sets the gold standard in performance and peace of mind. With easy installation, low maintenance, and tested performance that meets ASSE 1013, AWWA C511, and CSA B64.4 standards, it's more than a product—it's your system’s frontline defense.

Key Features:

• Lead-Free Construction: Crafted from durable lead-free copper silicon alloy, meeting all national and local plumbing codes for safe drinking water.

• Integrated Flood Sensor: Equipped with SentryPlus Alert® technology, the built-in flood sensor detects excessive water discharge from the relief valve. When connected via an optional sensor kit, it provides real-time alerts to prevent potential water damage.

• Compact & Service-Friendly Design: The modular construction with a single access cover allows for easy in-line maintenance, reducing downtime and service costs.

• Reliable Performance: Features two in-line independent check valves, an internal relief valve, captured springs, and replaceable check seats to ensure consistent operation and longevity.

• User-Friendly Operation: Includes quarter-turn full port resilient seated ball valve shutoffs with tee handles and screwdriver-slotted test cocks for straightforward testing and operation.

Specifications:

• Inlet/Outlet Size: 3/4" NPT Female Threaded

• Maximum Working Pressure: 175 PSI

• Temperature Range: 33°F to 180°F (0.5°C to 82°C)

• Certifications: ASSE 1013, AWWA C511, CSA B64.4, IAPMO, and USC approved for health hazard applications.

Ideal Applications:

• Irrigation Systems

• Boiler Feed Lines

• Commercial Plumbing Systems

• Service Line Entrances

• Any installation requiring maximum backflow protection

❓ Frequently Asked Questions – Backflow Preventers & Watts LF009-QT-FS

Q1: What is a backflow preventer and why do I need one?
A backflow preventer is a plumbing device that stops water from flowing backward into your clean water supply. It's crucial for preventing contamination due to cross-connections, especially in systems with irrigation, fire sprinklers, or industrial processes.

Q2: What makes the Watts LF009-QT-FS a “Reduced Pressure Zone” (RPZ) backflow preventer?
An RPZ backflow preventer includes two independently acting check valves with a pressure-monitored relief valve between them. This setup provides the highest level of protection against backpressure and backsiphonage, especially in hazardous applications.

Q3: Is the Watts LF009-QT-FS compliant with lead-free standards?
Yes, this backflow preventer is made with lead-free cast copper silicon alloy and meets all federal and state regulations for lead-free plumbing components.

Q4: What is the purpose of the integrated flood sensor?
The built-in flood sensor in the LF009-QT-FS alerts facility personnel to excessive discharge from the relief valve. When used with the optional connection kit, it helps detect potential flooding early, minimizing damage and downtime.

Q5: Can this backflow preventer be used outdoors?
Yes, the LF009-QT-FS is suitable for both indoor and outdoor installations. However, it should be installed in a protected, weather-resistant enclosure to prevent freezing and environmental wear.

Q6: What are the most common applications for this RPZ valve?
This lead-free RPZ backflow assembly is perfect for irrigation systems, commercial boiler feeds, service line entrances, and any location requiring maximum protection from cross-contamination.

Q7: Is it easy to maintain the Watts LF009-QT-FS?
Absolutely. It features a modular design with a single top access cover, making it easy to inspect and service without removing the unit from the line.

Q8: What does “QT-FS” stand for in the model name?
"QT" refers to the quarter-turn shutoff valves included with the unit. "FS" stands for “Flood Sensor,” indicating the built-in sensor capability for flood detection.

Q9: Are replacement parts available for the LF009-QT-FS?
Yes, Watts offers a full range of repair kits and replacement parts, including check valve kits, seat discs, and sensor components, ensuring long-term maintainability.

Q10: Does this RPZ valve come pre-assembled?
Yes, the unit comes fully assembled and factory-tested, ready for installation out of the box.

Technical Downloads:

• WATTS LF009-QT-FS: Specification Submittal

• WATTS LF009-QT-FS: Installation & Maintenance Instructions

Upgrade Your System Today!

Invest in the Watts LF009-QT-FS 3/4" RPZ Backflow Preventer to safeguard your water supply against contamination and potential flooding. With its advanced features and reliable construction, it's the smart choice for comprehensive water system protection.