2 LF07S

Item Number: 0061945
1 1
$1,299.75
Special Order
When Will it Ship: Contact for Lead Time
Estimated transit time: 2 to 5 Business Days

Brand - Watts
  • Size: 2 inch
  • Weight: 26.0 lb
  • Body Material: Lead Free* Brass
  • Maximum Working Pressure: 175 psi
  • Minimum Working Pressure: 10 psi
  • Temperature Range: 33°F to 180°F
  • Applications: Residential Fire Sprinkler Systems
  • Certifications: ASSE 1024, UL Listed
  • Maintenance: Easy with replaceable seats

Description

The Watts Model LF07S 2 inch Lead Free Dual Check Backflow Preventer protects potable water systems connected to residential fire sprinkler systems. It prevents backsiphonage of polluted water, ensuring water safety for non-health hazard applications. Constructed with a durable lead-free brass body, silicone seat discs, and stainless steel springs, this valve provides reliable, low-pressure drop performance and is easy to maintain. It is ASSE 1024 Listed, UL Classified, and NSF certified, meeting rigorous safety standards. Item number 0061945.

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Installation Guidance

The Watts Model LF07S is primarily designed for installation on residential fire sprinkler systems. It is recommended to install this device downstream of the water meter or an isolation shutoff valve.

Connection Type

  • This model is supplied with Female National Pipe Thread (NPT) union inlet and Female NPT outlet connections, conforming to ANSI B1.20.1.

Always consult your Local Governing Code for specific installation requirements and agency code compliance.

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Additional Details

The Watts Model LF07S 2 inch Lead Free Dual Check Backflow Preventer is designed for residential fire sprinkler systems to protect potable water service connections. It safeguards against potential backsiphonage conditions that could inadvertently drain the fire sprinkler system, preventing polluted water from entering the clean water supply.

Key Features

  • Durable lead-free brass body construction.
  • Designed to provide a low pressure drop for efficient flow.
  • Can be installed in both horizontal or vertical orientations.
  • Contains replaceable seats and silicone seat discs for easy maintenance.
  • Equipped with captured stainless steel springs to prevent injury during servicing.

Construction Materials

  • Body: Lead Free* Brass
  • Elastomers: Silicone
  • O-Rings: EPDM or Buna N
  • Check Modules: Engineered Composite
  • Springs: Stainless Steel

Always consult Local Governing Code for proper installation and agency code requirements before beginning the installation of this product. Ensure all installation instructions and product safety information are thoroughly read.

Specifications

  • Body Material: Lead Free* Brass
  • Elastomers: Silicone
  • O-Rings: EPDM or Buna N
  • Check Modules: Engineered Composite
  • Springs: Stainless Steel
  • Size: 2 inch
  • End Connections: National Pipe Thread Taper (NPT) ANSI B1.20.1

Pressure & Temperature

  • Minimum Working Pressure: 10 psi (0.69 bar)
  • Maximum Working Pressure: 175 psi (12.1 bar)
  • Hydrostatic Test Pressure: 700 psi (48.3 bar)
  • Temperature Range: 33°F to 180°F (0.5°C to 82°C)

Certificates & Approvals

  • ASSE® Listed 1024
  • UL Classified
  • cULus Classified
  • CSA B64.6
  • NSF Certified to NSF/ANSI/CAN 61-G
  • UPC
  • ANSI/NFPA 13, 14, 15, 20, 22, and 24 Compliant

FAQs

What is the primary purpose of the Watts LF07S 2 inch backflow preventer?

This backflow preventer is designed for residential fire sprinkler systems. Its primary purpose is to protect the potable water supply from contamination by preventing the reverse flow of non-health hazard (polluted) water through backsiphonage.

What are the key materials used in the construction of this valve?

The main body is constructed from lead-free brass. It features silicone seat discs, EPDM or Buna N O-rings, engineered composite check modules, and stainless steel springs.

What are the minimum and maximum working pressures and temperature limits for this device?

The valve has a minimum working pressure of 10 psi and a maximum working pressure of 175 psi. It is designed to operate within a temperature range of 33°F to 180°F.

What certifications and approvals does the LF07S 2 inch backflow preventer hold?

This product is ASSE® Listed 1024, UL Classified, cULus Classified, CSA B64.6, and NSF Certified to NSF/ANSI/CAN 61-G. It also complies with ANSI/NFPA 13, 14, 15, 20, 22, and 24 standards.

Are the internal components of the LF07S replaceable?

Yes, the Watts LF07S is designed for easy maintenance. It features replaceable seats and silicone seat discs, and the check assemblies have captured springs to prevent injury during servicing.