WHK hose bib backflow preventer front view in durable brass for outdoor use
WHK hose bib backflow preventer side view showing compact brass body
WHK vacuum breaker drain function demonstrating self draining design
WHK 3/4 inch thread inlet and outlet for standard hose compatibility
WHK outdoor faucet compatibility with sillcocks and hose lines
WHK RV water line connection ready for 3/4 inch hose hardware
WHK packaging includes backflow preventer, tape, and washers for quick install

WHK

WHK Hose Bib Backflow Preventer Vacuum Breaker 3/4-Inch - 6 Pack

High-performance patio lawn and garden made for confident daily results

$41.35

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Premium patio lawn and garden quality selected for United States (USA) customers.

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Why customers choose Cera Garden

Protect outdoor water use with WHK hose bib backflow preventer

Designed to minimize backflow in outdoor faucets, this vacuum breaker helps guard against siphoning during irrigation, car washing, and garden chores. A manual drain feature makes winterization easier by clearing water from the line when temperatures drop.

Durable brass build and trusted standards

Crafted with solid brass for safety and long-lasting performance, it delivers high temperature ductility and low magnetic permeability. It meets ASSE 1011/CSA B64.2 and ANSI/NSF 61-9 standards, reinforcing reliability in everyday use.

Key specifications at a glance

  • Inlet and outlet: 3/4 inch female inlet to 3/4 inch male outlet for broad hose compatibility
  • Max operating pressure: 125 psi; Max temperature: 180 F / 82 C
  • Self draining vacuum with a break-off screw for permanent attachment
  • Pack contents: 6 hose backflow preventers, 1 tape, and 6 washers

Practical benefits for your outdoor setups

  • Works with standard garden hoses, sillcocks, wall faucets, RV water lines, and more
  • Easy installation on 3/4 inch thread fittings
  • Manual draining helps prevent freezing and keeps connections ready for seasonal use

While designed to support reliable operation in outdoor water tasks, results can vary by setup. The compact brass design and self draining feature offer a practical solution for maintaining simple, leak-free connections in your irrigation and cleaning routines.

FAQ

Q: What is the WHK Hose Bib Backflow Preventer used for?

A: It helps minimize backflow risk by blocking siphoning from outdoor faucets, aiding water system integrity.

Q: What comes in the WHK 6-pack and how easy is installation?

A: Includes six backflow preventers, one tape, and six washers; fits standard 3/4-inch hose threads for straightforward setup.

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