Backflow Preventer

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Backflow Preventer

Backflow Preventer

DIG 3/4″ plastic backflow preventer is an attachment commonly placed into the faucet when used with drip irrigation to keep contaminated water from being siphoned backward into the household water supply lines. The backflow device is an economical way to eliminate the risk of water contamination from dirt or fertilizer back-flowing into the water supply through an outdoor faucet. A backflow preventer is highly recommended when installing a drip system.

Special Features:

  • Easy to install
  • Available with 3/4” female hose thread and male pipe thread to fit all standard irrigation connection points
  • Keeps contaminated water from entering the household water supply
  • Provides protection from back flow and back siphoning of water
  • Compact construction of non-corrosive plastic materials
  • Low pressure loss and high flow rate

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How to Specify
MODEL DESCRIPTION
18-001 Backflow Preventer Inlet 3/4 in. FHT x Outlet 3/4 in. MHT, Black
18-002 Backflow Preventer Inlet 3/4 in. FHT x Outlet 3/4 in. MPT, Gray

Specifications

  • Operating pressure: up to 100 PSI
  • Flow rate: up to 8 GPM
  • Size: ¾” female hose thread x ¾” male hose thread (3/4” FHT x ¾” MHT) or ¾” female hose thread x ¾” male pipe thread (3/4” FHT x ¾” MPT)
  • Color: black (3/4” MHT), gray (3/4” MPT)
  • Temperature range: up to 130°F
  • Materials:
    • Body: high impact plastic
Videos
  • DIG Drip Zone Head Assembly: Connecting to a Faucet