40-Pack 3/4 in Anti Siphon Vacuum Breakers - Solid Brass Set

In this review the 40-Pack 3/4 in Anti Siphon Vacuum Breakers set is evaluated for gardeners, RV owners, and tradespeople who need a bulk supply of reliable backflow prevention. The bottom line: this kit is best for anyone who installs or services outdoor spigots frequently and wants a heavy duty, code-minded solution. The standout reason to buy is the use of solid brass construction combined with compliance to industry standards, which makes these vacuum breakers a practical choice when durability and safety are the priority.

Key Features

• Solid brass construction: delivers long-term durability and corrosion resistance for outdoor spigots and hose connections.
• Bulk pack of 40: supplies enough units for multiple homes, job sites, or RVs so replacements are on hand when needed.
• 3/4 in size: fits standard garden spigots and many hose fittings so installation is straightforward for common setups.
• High temperature and pressure ratings: rated to 180 F/82 C and 125 PSI, suitable for a wide range of domestic and light commercial conditions.
• Includes sealing tape and washers: provides the basic consumables needed for leak-resistant installation without hunting for parts.
• Standards compliance: meets ASSE 1011/CSA B64.2 and ANSI/NSF 61-9 for backflow prevention and drinking water safety.

Who It's For

This set is aimed at homeowners with multiple outdoor faucets, landscapers, property managers, and RV owners who want a dependable supply of anti-siphon devices to prevent contaminants from entering potable water. The package size and included parts make it practical for professionals who perform regular maintenance or large properties needing several protected spigots.

People who only need one or two vacuum breakers may find the 40-pack excessive and should look for single or small multi-packs instead. Also, those seeking a decorative or specialized frost-proof fitting should consider dedicated freeze-resistant spigots, as these units are focused on backflow prevention rather than ornate appearance or integrated freeze protection.

Pros & Cons

Pros

• Durable metal body that resists corrosion for outdoor use.
• Large quantity reduces downtime for maintenance and supplies many locations at once.
• Meets recognized safety standards, supporting potable water protection.
• Includes washers and sealing tape to simplify initial installations.

Cons

• Some customers report occasional leakage, so careful tightening and quality checks are advisable during installation.
• A 40-pack may be unnecessary for users who only need a few units.

Specifications

Material	Solid brass
Pack quantity	40 pieces
Connection size	3/4 in
Max operating temperature	180 F / 82 C
Max operating pressure	125 PSI
Included accessories	Sealing tape and washers
Standards	Meets ASSE 1011/CSA B64.2 and ANSI/NSF 61-9

Our Verdict

The 40-pack of 3/4 in anti siphon vacuum breakers is a strong value for those who need multiple reliable backflow preventers that meet industry standards. Its solid brass build and included consumables make it a practical kit for professionals and homeowners managing several outdoor faucets, although smaller-need buyers may prefer fewer pieces. Overall it is a cost-effective, standards-compliant choice for routine backflow protection.

Frequently Asked Questions

Will these fit a standard garden spigot?
Yes, the units are 3/4 in and designed to fit standard garden spigots and many hose connections.

Are these suitable for drinking water systems?
They meet ANSI/NSF 61-9 and ASSE 1011/CSA B64.2, indicating they are intended to prevent contamination of potable water.

Do they include everything needed for installation?
The pack includes sealing tape and washers, but installers should have basic tools and check each connection for leaks after fitting.