2.5 LF709-QT-FDA-IOT

Item Number: 88003422
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$11,586.00
Special Order
When Will it Ship: Contact for Lead Time
Estimated transit time: 2 to 5 Business Days

Brand - Watts
  • Size: 2 1/2 inch
  • Body Material: Fused Epoxy Coated Cast Iron
  • Coating: ArmorTek® for corrosion resistance
  • Maximum Working Pressure: 175 PSI
  • Valve Type: FDA Epoxy Coated Quarter-Turn Ball Valves
  • Integrated Pressure-Sensing Test Cocks
  • Lead Free: Yes
  • Approved for horizontal installation (2½" size)

Description

The Watts LF709 2 1/2 inch Lead Free Double Check Valve Backflow Preventer Assembly prevents reverse flow of non-potable water into potable water supplies. Ideal for continuous pressure piping in non-health hazard cross-connections, it features a fused epoxy coated cast iron body with ArmorTek® coating for enhanced corrosion resistance. FDA epoxy coated quarter-turn ball valves and integrated pressure-sensing test cocks are included, with an optional kit for BMS integration. Rated for 175 PSI, this assembly is approved horizontally for 2 1/2 inch installations and is AWWA C510-92, NSF, and CSA B64.4 compliant. Item number 88003422.

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Installation & Compatibility

  • This double check valve backflow preventer assembly is designed for installation in continuous pressure piping applications.
  • It protects against backsiphonage and backpressure in cross-connections identified as non-health hazards.
  • The 2 1/2 inch size is approved for horizontal installation only.
  • An add-on monitoring connection kit is available separately to activate sensors and transmit data to a building management system.
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Additional Details

This 2 1/2 inch Watts LF709 Lead Free Double Check Valve Backflow Preventer Assembly is designed to prevent the reverse flow of contaminated non-potable water into the potable water supply due to backsiphonage or backpressure.

It is ideal for protection in continuous pressure piping applications and cross-connections identified as non-health hazards.

Features

  • Prevents reverse flow of non-potable contaminated water into potable water supply
  • Integrated pressure-sensing test cocks measure pressure fluctuations at three points when activated
  • Add-on monitoring connection kit available for activating sensors and transmitting data values to a building management system
  • Modular check design for easy maintenance with center stem guide
  • Captured spring assemblies for safety
  • Approved for vertical flow up installation (for sizes 4" and 6") or horizontal installation (for sizes 2½" and 3")

Construction & Coating

  • Features a fused epoxy coated cast iron body for durability
  • Utilizes ArmorTek® coating technology, a patented 3-part advanced epoxy coating system, to limit microbial induced (MIC) and exposed metal substrate corrosion
  • Equipped with FDA epoxy coated quarter-turn ball valves
  • Captured spring is accessible through a bolted cover plate

Smart Monitoring Capabilities

  • Integrated pressure sensors on the backflow preventer measure pressure fluctuations at three test cock locations when activated.
  • An add-on monitoring connection kit can be used to collect, convert, and transmit data values to a building management system.
  • Provides a solution for monitoring assembly performance between code testing and offers data access to help drive scheduling of maintenance and repair.

Specifications

  • Size: 2 1/2 inch
  • Series: LF709
  • Product Type: Double Check Valve Backflow Preventer Assembly
  • Body Material: Fused Epoxy Coated Cast Iron
  • Coating: ArmorTek® patented 3-part advanced epoxy system
  • Valve Type: FDA Epoxy Coated Quarter-Turn Ball Valves
  • Test Cocks: Integrated Pressure-Sensing
  • Lead Free: Yes
  • Maximum Working Pressure: 175 PSI (12.1 bar)
  • Temperature Range: 33°F - 110°F (0.5°C - 43°C)
  • Installation Orientation: Horizontal (for 2 1/2 inch size)
  • Approximate Weight: 170 lbs
  • Dimensions (L x A): 22.5 in x 30.25 in

Certificates & Approvals

  • AWWA C510-92
  • APMO
  • APMO Manual for Cross-Connection Control, 8th Edition
  • NSF
  • UL
  • ASME A112.19.3
  • CSA B64.4
  • FM Approved
  • Approved by the Foundation for Cross-Connection Control and Hydraulic Research at the University of Southern California (for horizontal installation for 2½" size)

FAQs

What is the primary function of this backflow preventer?

This Watts LF709 2 1/2 inch Double Check Valve Backflow Preventer Assembly is designed to prevent the reverse flow of contaminated non-potable water into a potable water supply due to backsiphonage or backpressure.

What type of applications is this assembly suitable for?

It is ideal for protection in continuous pressure piping applications and cross-connections identified as non-health hazards, ensuring the safety of your potable water system.

Does this backflow preventer include smart monitoring capabilities?

Yes, it features integrated pressure-sensing test cocks that measure pressure fluctuations at three points. An add-on monitoring connection kit (sold separately) can activate these sensors and transmit data to a building management system.

What kind of corrosion protection does this assembly offer?

The assembly features a fused epoxy coated cast iron body and utilizes Watts' patented ArmorTek® coating technology, a 3-part advanced epoxy system, to limit microbial induced (MIC) and exposed metal substrate corrosion.

What is the maximum operating pressure and temperature range for this device?

This 2 1/2 inch backflow preventer has a maximum working pressure of 175 PSI (12.1 bar) and operates within a temperature range of 33°F to 110°F (0.5°C to 43°C).

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