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

In this review the 50-Pack EFIELD Anti Siphon Vacuum Breakers Set is assessed for homeowners, landscapers, and RV owners who need a bulk supply of reliable backflow preventers. The single biggest reason to consider this set is its combination of solid brass construction and a large quantity: buying 50 units at once covers multiple outdoor spigots, irrigation lines, or service stock for a small business. The reviewer found the valves straightforward to install and durable in normal outdoor conditions, making this a practical choice for users replacing older vacuum breakers or stocking up for a project.

Key Features

• Solid brass construction: Durable metal body resists corrosion and handles outdoor use better than plastic alternatives.
• Pack of 50: Provides an economical supply for multiple spigots, RVs, or maintenance crews so replacements are ready when needed.
• 3/4 in size: Fits standard garden spigots and hose bibs for broad compatibility around a property or on RV connections.
• Operating limits: Rated to 180 F (82 C) and 125 PSI, so it works within common residential and light commercial temperature and pressure ranges.
• Backflow protection: Prevents outside debris entry and reduces risk of anti-siphoning and contamination during hose use.
• Accessory pack: Includes sealing tape and washers so each installation can be completed without sourcing extra small parts.

Who It's For

This set is best for homeowners with multiple outdoor faucets, property managers maintaining several units, landscapers who service gardens and irrigation, and RV owners who want to protect potable systems. The large count is especially useful where several fixtures need replacement at once or when keeping spares on hand.

It is less appropriate for someone who only needs a single replacement part or who prefers a different material or appearance for visible fixtures. Also, those requiring certificated devices for specialized municipal backflow prevention beyond hose-bib protection should consult a plumbing professional.

Pros & Cons

Pros

• Solid brass bodies offer long-term durability and better corrosion resistance than plastic fittings.
• Buying in a 50-pack reduces per-unit cost and ensures you have extras for future maintenance.
• Included sealing tape and washers make installations straightforward and reduce additional trips to the store.
• Rated for 125 PSI and 180 F (82 C), suitable for typical residential and light commercial use.

Cons

• Some customers report occasional leakage, so careful installation and proper sealing are necessary.
• Bulk quantity may be overkill for a single-faucet replacement, leading to unused extras.

Specifications

Brand	EFIELD
Quantity	50 PCS
Connection size	3/4 in
Material	Solid brass
Max operating temperature	180 F / 82 C
Max operating pressure	125 PSI
Standards	Meets ASSE 1011 / CSA B64.2 and ANSI/NSF 61-9

Our Verdict

The 50-Pack EFIELD 3/4 in vacuum breakers are a sensible purchase for anyone who needs multiple backflow preventers at once or wants a stock of spares. The solid brass construction and included installation accessories make them good value for routine outdoor plumbing needs, though buyers should take care with sealing to avoid the occasional leakage reported by users.

Frequently Asked Questions

Will these fit standard garden hose spigots?
Yes, the valves are 3/4 in and are designed to fit common hose bibbs and outdoor spigots.

Are replacement washers and tape included?
Yes, the set ships with sealing tape and washers so each valve can be installed without extra small parts.

Are these suitable for hot water and pressurized systems?
They are rated up to 180 F (82 C) and 125 PSI, which covers typical residential hot water and pressure conditions.