1 LF07S

Item Number: 0122588
1 1
$594.37
Limited Stock (1)
Estimated transit time: 2 to 5 Business Days Eligible for Express Shipping

Brand - Watts
  • 1 inch valve size
  • Weight: 18.8 lb
  • Lead Free* brass body construction
  • Dual check valve with silicone seat discs
  • Maximum Working Pressure: 160 PSI
  • Temperature Range: 33°F to 140°F
  • End Connections: National Pipe Thread Taper ANSI B1.20.1
  • ASSE® Listed 1024 and UL Classified
  • Designed for residential fire sprinkler systems

Description

The Watts LF07S 1 inch Dual Check Backflow Preventer safeguards potable water supplies from contamination in residential fire sprinkler systems. Its lead-free* brass body, silicone seat discs, and engineered composite check modules provide reliable backsiphonage protection. Designed for non-health hazard applications, this valve ensures low pressure drop, easy maintenance, and operates within a 33°F to 140°F temperature range and up to 160 PSI. It is ASSE® Listed 1024 and UL Classified, making it a dependable choice for fire safety. Item number 0122588.

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Connections

The Model LF07S is standardly supplied with National Pipe Thread Female (NPT) union inlet & Female (NPT) outlet connections. It uses National Pipe Thread Taper ANSI B1.20.1 end connections.

Installation Recommendations

  • Typically installed for service on residential fire sprinkler systems.
  • Recommended for installation after a water meter and/or isolation shutoff valve.
  • Installation techniques should comply with the latest edition of the Uniform Plumbing Code.
  • Always consult Local Governing Code for proper installation and agency code requirements.
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Additional Details

The Watts Model LF07S Residential Fire Sprinkler Dual Check Backflow Preventer is designed for non-health hazard applications to protect potable water supply connections from backsiphonage conditions that could inadvertently drain the fire sprinkler system.

This 1 inch lead free dual check valve backflow preventer helps prevent the reverse flow of polluted water from residential fire sprinkler systems into the potable water supply.

Features

  • Lead Free* brass body construction
  • Dual check valve design with silicone seat discs
  • Designed for low pressure drop
  • Easy to maintain and service
  • Protects against backsiphonage conditions
  • Suitable for residential fire sprinkler systems
  • *The wetted surface of this product contacted by consumable water contains less than 0.25% of lead by weight.

Construction Materials

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

Notice: Please consult Local Governing Code for proper installation and agency code requirements. Always read all installation instructions and product safety information before beginning installation.

Specifications

  • Valve Size: 1 inch
  • Body Material: Lead Free* Brass
  • Elastomer Material: Silicone
  • O-Ring Material: EPDM or Buna N
  • Check Module Material: Engineered Composite
  • Spring Material: Stainless Steel
  • Maximum Working Pressure: 160 PSI
  • Minimum Working Pressure: 10 PSI
  • Hydrostatic Test Pressure: 700 PSI
  • Temperature Range: 33°F to 140°F (0.5°C to 60°C)
  • End Connections: National Pipe Thread Taper ANSI B1.20.1
  • *The wetted surface of this product contacted by consumable water contains less than 0.25% of lead by weight.

Certificates & Approvals

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

FAQs

What is the primary use of the Watts LF07S backflow preventer?

The Watts LF07S is designed to protect potable water supplies from pollution by preventing the reverse flow of water from residential fire sprinkler systems, addressing non-health hazard applications.

Is this backflow preventer lead-free?

Yes, the Watts LF07S features Lead Free* brass body construction. The wetted surface of this product contacted by consumable water contains less than 0.25% of lead by weight.

What are the connection types for the 1 inch LF07S?

The 1 inch LF07S is standardly supplied with National Pipe Thread Female (NPT) union inlet and Female (NPT) outlet connections, compliant with ANSI B1.20.1.

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

The 1 inch LF07S has a maximum working pressure of 160 PSI and operates within a temperature range of 33°F to 140°F (0.5°C to 60°C).

What certifications and approvals does this backflow preventer hold?

The Watts LF07S is ASSE® Listed 1024, UL Classified, CSA B64.6, and NSF® Certified to NSF/ANSI/CAN 61-G. It is also compliant with ANSI/NFPA 13, 14, 15, 20, 22, and 24.