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Front view of Febco 1113FEB LF850 1-inch in-line double check valve assembly with integrated ball valves and threaded end connections, metal finish.

Febco 1113FEB LF850 1" Double Check Valve with Ball Valve

Brand: Febco
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$487.75
$365.81
SKU 1113FEB

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The Febco 1113FEB (LF850) 1" Double Check Valve Assembly with integrated ball valves provides reliable backflow protection for potable water systems. Its in-line design is compact and serviceable, built to stop the reverse flow of non-toxic pollutants into the supply.

  • Model: Febco 1113FEB, also referenced as LF850; 1" (25 mm) nominal size for standard irrigation and plumbing lines.
  • Material: Lead-free cast copper-silicon alloy body designed for long-term corrosion resistance in potable water installations.
  • Connections: Threaded ball valve end connections included for simplified isolation and service without system shutdown.
  • Performance: In-line double check design rated for a maximum working pressure of 175 psi (12.1 bar).
  • Maintenance: Serviceable internal checks; manufacturer documentation available for installation, maintenance, and freeze protection procedures.

This assembly is suited for irrigation, landscape, and general plumbing applications where protection against objectionable but non-toxic backflow is required. Refer to the product documents for detailed installation instructions, specification data, and maintenance guidelines. Professional installation is recommended to ensure compliant operation and longevity.

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Frequently Asked Questions

What size connections does the 1113FEB use?
This model uses 1" nominal threaded connections and includes threaded ball valve ends for isolation and service access.
Is the valve body lead-free and corrosion resistant?
Yes. The LF850 series uses a lead-free cast copper-silicon alloy body designed for corrosion resistance in potable water systems.
What is the maximum working pressure rating?
The assembly is rated to a maximum working pressure of 175 psi (12.1 bar); follow manufacturer specs for safe operating limits.
Are installation and maintenance documents available?
Manufacturer installation, specification, maintenance, and freeze-protection documents are available; consult them before installation and servicing.

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