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Product details

This valve shall be manufactured in America. The bronze body shall be configured with "wye" style checks for in-field serviceability. The device shall be available with options for three test cocks for in-line testing. The Apollo® model DUCLF40 dual check valves prevents backflow by either backpressure or back-siphonage resulting from a cross-connection between potable water lines and substances that are objectionable, but not health-hazards.

  • In-line repairable
  • Low pressure loss
  • Corrosion resistant
  • Compact and lightweight
  • Independently acting check valves
  • Brass cap, stainless steel spring, EPDM seat disc
  • Documentation

    Technical Specs

    SKU: 84303NL
    Model: 40LF3A33A
    pressure rating: 175 psi connection size: 1/2"
    length: 4-3/8" temperature rating: 3 to 180° F
    product type: Backflow Preventers product upc code: 670750509766
    material: Lead-Free Bronze prop65 warning: California Proposition 65 Warning, This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to
    series: 40LF-300 Series country of origin: US
    width: 1-11/16" connection type: FNPT
    height: 3-1/2 Inch

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