1 LF009M2-QTW/PRESS-FS

Item Number: 88004118
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$1,348.54
Special Order
When Will it Ship: Contact for Lead Time
Estimated transit time: 2 to 5 Business Days

Brand - Watts
  • 1 inch Lead Free Reduced Pressure Zone Backflow Preventer
  • Weight: 11.6 lb
  • Lead Free* cast copper silicon alloy body construction
  • NPT inlet and outlet connections with Viega ProPress® adaptors
  • Quarter-turn full port resilient seated ball valve shutoffs with tee handles
  • SentryPlus Alert® technology flood sensor for relief valve discharge detection
  • Single access cover and modular check construction for easy maintenance
  • Maximum operating pressure: 175 psi (12.1 bar)
  • Water temperature range: 33°F - 180°F (0.5° - 82°C)

Description

This 1 inch Lead Free Reduced Pressure Zone Backflow Preventer Assembly from WATTS (LF009 series) protects potable water supplies from pollution caused by backsiphonage and backpressure, meeting national plumbing codes. It features a durable lead free cast copper silicon alloy body with NPT inlet/outlet connections and Viega ProPress® adaptors. Equipped with quarter-turn ball valve shutoffs and a SentryPlus Alert® flood sensor, it offers easy maintenance with a single access cover. With a maximum pressure of 175 psi and temperature range of 33-180°F, this assembly ensures reliable water system protection.

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Connections

  • The assembly features NPT inlet and outlet connections, which are standard for many plumbing systems.
  • It is also equipped with Viega ProPress® adaptors on both ends for efficient, flameless press connections to compatible piping.

Flood Sensor Connectivity

  • The integrated SentryPlus Alert® technology flood sensor requires an add-on connection kit to be fully activated for relaying alerts.
  • Connection kit options include those compatible with BMS (Building Management Systems), cellular communication, or the Sensor Control Monitor, which integrates with BAS (Building Automation Systems) via RS-485 Modbus or the Nexa® platform through Wi-Fi.
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Additional Details

This 1 inch lead free reduced pressure zone backflow preventer assembly prevents polluted water from entering potable water supplies due to backsiphonage and backpressure, in accordance with national plumbing codes. Its compact, modular design is engineered for easy in-line maintenance and reduced installation clearances.

Features

  • Flood Detection: Includes a SentryPlus Alert® technology flood sensor to detect continuous discharge from the relief valve. When paired with an add-on connection kit, the sensor activates to relay alerts for potential flooding events.
  • Body Construction: Constructed with a lead free cast copper silicon alloy body for durability and compliance with Lead Free* installation requirements.
  • Internal Design: Features two in-line independent check valves, captured springs, and replaceable check seats. An internal relief valve is included for reduced space requirements.
  • Maintenance: Designed with a single access cover and modular check construction for ease of service. Top entry to all internals ensures immediate accessibility, and no special tools are required for servicing.
  • Shutoff Valves: Equipped with quarter-turn full port resilient seated ball valve shutoffs and tee handles.
  • Connections: Furnished with NPT inlet and outlet connections and Viega ProPress® adaptors.

Specifications

  • Product Type: Reduced Pressure Zone (RPZ) Backflow Preventer Assembly
  • Nominal Size: 1 inch
  • Body Construction: Lead Free* Cast Copper Silicon Alloy
  • Shutoff Valves: Quarter Turn Ball Valves with Tee Handles
  • Check Valves: Two In-line Independent Check Valves
  • Relief Valve: Internal
  • Disc Material: Silicone Rubber
  • Seat Material: Replaceable Polymer
  • Cover Bolts: Stainless Steel
  • Compliance: Less than 0.25% lead by wetted surface

Performance

  • Maximum Supply Pressure: 175 psi (12.1 bar)
  • Water Temperature Range: 33°F - 180°F (0.5° - 82°C)

Dimensions

  • Overall Length (A): 14 1/2 inches (368 mm)
  • Height (B): 6 1/4 inches (159 mm)
  • Overall Width (D): 3 1/4 inches (83 mm)
  • Weight: 12 lb (5 kg)

Certificates & Approvals

  • USC
  • ASSE Std. 1013
  • AWWA C511
  • CSA B64.4
  • IAPMO File No. 1563
  • Approved by Foundation for Cross-Connection Control and Hydraulic Research at the University of Southern California

FAQs

What is the primary purpose of this backflow preventer?

This reduced pressure zone backflow preventer is designed to protect potable water supplies by preventing polluted water from flowing back into the system due to backsiphonage or backpressure, in accordance with national plumbing codes.

What type of connections does this assembly use?

This assembly is furnished with NPT inlet and outlet connections and includes factory-installed Viega ProPress® adaptors on both ends for convenient, flameless press connections to compatible piping.

Does this backflow preventer come with a flood sensor?

Yes, it includes a SentryPlus Alert® technology flood sensor that detects continuous water discharge from the relief valve. An add-on connection kit is required to activate the sensor's alert relay features.

What material is the body constructed from?

The body of this backflow preventer is constructed from a Lead Free* cast copper silicon alloy, ensuring durability and compliance with lead content requirements (less than 0.25% lead by wetted surface).

What are the maximum operating pressure and temperature?

This assembly is suitable for supply pressures up to 175 psi (12.1 bar) and water temperatures ranging from 33°F to 180°F (0.5° to 82°C).

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