The Best Anti Siphon Faucet Adapter of 2022 – Reviews & Buying Guide

After hours researching and comparing all models on the market, we find out the Best Anti Siphon Faucet Adapter of 2022. Check our ranking below.

2,148 Reviews Scanned

Rank No. #1

SUNGATOR 2-Pack Hose Bib Backflow Preventer, 3/4 Inch GHT Vacuum Breakers Outside Faucet, Hose Bib Anti-Siphon Valve for Outdoor Faucet, Brass 3/4'' Garden Hose Bib Anti-Backflow Preventer

【PACKAGE INCLUDES】: 3/4 Inch GHT Hose Bib Backflow Preventer × 2, Washers × 4, Tape (About 350" long) × 1, Plastic Box × 1. ATTENTION: suitable for garden hose thread, NOT FOR FINE THREAD.
【ADVANCED FUNCTION】: The hose bib vacuum breaker is designed to prevent fluid backflow into potable water systems. With a break-off screw for permanent attachment and a drain hole for draining remaining water, the backflow preventer efficiently prevents water from freezing and siphoning.
【ATTENTION】: Reaching a certain water pressure, the drain hole is able to drain the remained water in the pipe. Please keep away from the vacuum breaker when turning off the water, remained water will be sprayed out.
【HIGH QUALITY】: Crafted from heavy-duty brass, the anti-siphon valve ensuring corrosion resistance and a longer service life. Meets ASSE 1011/CSA B64.2, ANSI/NSF 61-9. Max operating pressure is 125 psi; max operating temperature is 180°F/82°C.
【GREAT COMPATIBILITY】: With a 3/4 Inch Female Hose Threaded Inlet × 3/4 Inch Male Hose Threaded Outlet design, the garden hose anti-siphon valve is widely used for outside faucet, hose bibs, sillcocks, RV, garden spigot, outside water faucets, and hydrants with standard hose and and end valves. But not for fine thread.

Rank No. #2

Boltigen Lead-Free Brass Self-Draining Vacuum Breaker 3/4'' GHT Female x 3/4'' GHT Male Hose Bib Anti Siphon Valve Backflow Preventer Adapter, for Outdoor Garden Faucet Spigot Repair Replacement

SELF-DRAINING FUNCTION: Boltigen no lead brass self draining vacuum breaker adapter is designed to prevent the backflow of fluids back into the potable water system; Allows faucet to automatically drain upon shutoff to prevent freezing in winter
LEAD FREE BRASS: Boltigen 3/4'' GHT hose bib vacuum breaker is made of premium lead free brass (Surface Chromium Plating) which can provide you with safe & healthy water and reducing pollution and health risks, you can trust the Boltigen no-lead brass anti siphon valve
PRODUCT THREAD: Boltigen faucet backflow preventer valve is designed with 3/4'' GHT Female thread to 3/4'' GHT Male thread, which can be ompatible with standard 3/4'' garden faucets spigot hose (NOT suitable 1-1/16" GHT Bibcock)
EASY TO USE: Remove the screws, connect the outdoor vacuum breaker to your 3/4'' GHT faucet or spigot, and then fix the vacuum breaker replacement with the screws to complete the installation; Maximum pressure of 125 PSI, and a temperature of 180 degrees F
CUSTOMER SERVICE: Boltigen self-draining vacuum breaker replacement has great friendly 24/7 customer service, any question about the Boltigen self-draining hose bib anti siphon valve, please let us know first time, we will be glad to help you

SaleRank No. #3

2 PCS Brass Vacuum Breaker Set 3/4 Inch GHT Lead-Free Compliant Brass Anti-Siphon Bib Valve for Vacuum Breaker Outside Faucet RV Hose Connection Backflow Preventer Connector with Tape、Extra washers

The Set Includes:The package includes 2 Brass Vacuum Breaker, 4 spare washers, and 1 roll of thread sealing tape
Brass Material: The vacuum breaker is made of Lead Free Compliant Brass, which is sturdy and durable, with corrosion resistance, high temperature resistance up to 180 ° F/82 ° C, and a working pressure of 125 PSI. Its excellent ductility and stable performance ensure a longer service life
Widely Use: Using brass anti siphon accessories to eliminate reverse siphoning of water supply. Can be used as a backflow preventer for RVs, garden faucets, outdoor faucets, hose bibs, and fire hydrants
Easy to Install: The 3/4 inch garden hose thread design allows for easy installation with just tightening. It complies with ASSE 1011/CSA B64.2 and ANSI/NSF 61-9 standards
Drainage Hole: The drainage hole can discharge residual water in the pipeline. Warning: Please stay away from the product when turning off water, as residual water may spray wet your clothes

Rank No. #4

Hourleey 2 Pack Faucet Vacuum Breaker, 3/4 Inch Solid Brass Anti-Siphon Hose Bib Backflow Preventer for Garden Spigot RV

Package Contents: The package includes 2 x vacuum breakers and 2 x washers. These vacuum breaker valves are specifically designed to prevent fluid backflow into your potable water system.
Durable Construction: Made from high-quality brass, the vacuum breaker ensures long-lasting reliability and is resistant to corrosion. Its 3/4 inch threading is compatible with most standard American hoses.
Purpose: Engineered to safeguard your drinking water, the faucet vacuum breaker prevents contaminants from entering the supply, offers protection against freezing, and provides anti-siphoning capabilities.
Versatile Application: This device is ideal for use with RVs, garden spigots, outdoor faucets, hose bibs, and hydrants, ensuring protection from any residual contaminated water in the hoses.
Drain Hole Feature: Designed to function under specific water pressure, the drain hole effectively drains any remaining water in the pipe. Please be cautious and stay clear of the product when shutting off the water, as residual water may be sprayed out.

Rank No. #5

Boltigen No Lead Brass Self-Draining Vacuum Breaker with 3/4'' GHT Feamle to 3/4'' GHT Male Thread Hose Bib Anti Siphon Valve Backflow Preventer Adapter, for Outdoor Garden Faucet Spigot Replacement

SELF-DRAINING FUNCTION: Boltigen no lead brass self draining anti siphon valve connetor is designed to prevent the backflow of fluids back into the potable water system; Allows faucet to automatically drain upon shutoff to prevent freezing in winter
LEAD FREE BRASS: Boltigen 3/4'' GHT self draining hose bib vacuum breaker is made of premium lead free brass which can provide you with safe & healthy water and reducing pollution and health risks, you can trust the Boltigen no-lead brass anti siphon valve
PRODUCT THREAD: Boltigen outdoor vacuum breaker valve is designed with 3/4'' GHT Female thread to 3/4'' GHT Male thread, which can be ompatible with standard 3/4'' garden faucets spigot hose (NOT suitable 1-1/16" GHT Bibcock)
EASY TO USE: Remove the screws, connect the outdoor faucet backflow preventer fitting to your 3/4'' GHT faucet or spigot, and then fix the vacuum breaker replacement with the screws to complete the installation; Maximum pressure of 125 PSI, and a temperature of 180 degrees F
CUSTOMER SERVICE: Boltigen self-draining vacuum breaker repair replacement has great friendly 24/7 customer service, any question about the Boltigen outside self-draining hose bib anti siphon valve, please let us know first time, we will be glad to help you

Rank No. #6

SM01.125 Vacuum Breaker Adapter, Compatible with Arrowhead PK1390 Anti Siphon Valve, 1.125'' Diameter Internal Threads, Durable Brass for Anti-Corrosion

WHAT SERVICES CAN WE PROVIDE YOU: The SM01.125 vacuum breaker adapter is compatible with Arrowhead PK1390 anti-siphon valve, better adapting garden hose
COMPATIBLE SIZE: The vacuum valve connector suitable for the diameter of the external thread is 1.17“and the internal thread diameter is 1.125"
HIGH QUALITY: The SM01.125 vacuum breaker adapter is made of durable brass, which can resist corrosion.It can meet your outdoor needs, and you don't have to worry about this metal will pollute water source
EASY INSTALLATION: The vacuum breaker adapter is easy to install and don't take up the space. You can backup one to deal with the situation that the old one needs to be replaced
GIFT: Each product is equipped with the rubber pad, raw material belt, which can make the installation more firm

SaleRank No. #7

DEWHEL SM01.125 Vacuum Breaker Adapter Compatible with Arrowhead PK1360 Anti-Siphon Valve Includes Rubber Washer

Material: Brass
SM01.125 ~ Compatible with Arrowhead Spigots When You Can Only Remove the Bottom Part of the Vacuum Breaker or Where the External Thread Diameter of Spigot Measures 1.17". Internal Diameter of Adapter is 1.125"
Compatible with Arrowhead PK1360 Anti-Siphon Valve, Includes Rubber Washer, double protection to prevent water leakage.
Using this part, you can convert your arrow anti-siphon hose bib into an ordinary garden hose connection that does not leak
In package:1xSM01.125 Vacuum Breaker Adapter , 1xRubber Washer

Rank No. #8

Spigotmaster ~ SM01.125 Vacuum Breaker Adapter~ Turns an Arrowhead Anti-Siphon Hose Bib Into a Straight Through Connection. Fits Bottom of PK1390 Stamped 1019-A-BFP Valve(1, SPGTM-2)

💧 SpigotMaster is Made in the USA & Now Makes 7 Different Models for Most Spigots with External Vacuum Breakers. Buy Local and Support Your Country & Small Business Owners
💧 Easily Convert You Garden Hose Spigot with Special Threads into a NORMAL Garden Hose Connection That Won't Leak!💦
💦 SPGTM-2 (SM01.125) : Fits the Bottom Half of 1019-A-486BFP Vacuum Breakers when you can't remove the whole adapter as well as older Arrowhead 255BFP, 355BFP and 2555BFP spigots directly.
💦 SPGTM-2 (SM01.125) : Fits Spigots with a 1.16"-1.18" Outer Thread Diameter. Internal Thread Diameter is 1-1/16" (1.0625")
💧 Simply Remove the Old Vacuum Breaker with 2 Wrenches , 1 🔧 Supporting the Spigot, 1 🔧On the Vacuum Breaker. Measure the Outer Thread Diameter of your Spigot Threads & Match to one of our Adapters

Rank No. #9

Spigotmaster ~ SM01 Vacuum Breaker Adapter~ Turns an Arrowhead Anti-Siphon Hose Bib Into a Straight Through Connection. Replaces 1019-a-486BFP & Fits: 482BFP(1, SM01)

💧 SpigotMaster is Made in the USA & Now Makes 7 Different Models for Most Spigots with External Vacuum Breakers. Buy Local and Support Your Country & Small Business Owners
💧 Easily Convert You Garden Hose Spigot with Special Threads into a NORMAL Garden Hose Connection That Won't Leak!💦
💦 SPGTM-1 (SM01) Fits Green Handle Arrowhead Spigots When You Can Remove the Entire Vacuum Breaker, which can be difficult if there is a broken set screw or the breaker is corroded. If so try the SPGTM-2 or SPGTM-5 which fit the bottom half of the adapter.
💦 SPGTM-1 (SM01) Fits Spigots with a 1.05" Outer Thread Diameter. Internal Thread Diameter is 1"
💧 Simply Remove the Old Vacuum Breaker with 2 Wrenches , 1 🔧 Supporting the Spigot, 1 🔧On the Vacuum Breaker. Measure the Outer Thread Diameter of your Spigot Threads & Match to one of our Adapters

Rank No. #10

Vacuum Breaker Repair Kit for Eastman 45417, Vacuum Breaker Outside Faucet Anti Siphon Valve Repair Kit Frost-Free Sillcock Valve Replacement Parts

Product List: The faucet vacuum breaker repair kit includes 1 vacuum breaker cap, 1 plunger and 1 vacuum breaker body for full frost-free sillcock valve maintenance.
Compatibility: These replacement parts are designed specifically for Eastman faucets (model 45417). Please note that our product is not sponsored or endorsed by, or affiliated with the brands it fits, including Eastman.
Premium Material: This vacuum breaker repair kit is made of good-quality zinc alloy, rubber and plastic material for long-term performance and durability in outdoor faucet applications.
Prevents Backflow: This vacuum breaker repair kit ensures safe drinking water by preventing reverse siphoning into your portable water supply, meeting plumbing safety standards.
Simple Installation: Simple replacement process with intuitive parts design, just detach old breaker and snap in new assembly.

Last update on 2025-11-24 / Affiliate links / Images from Amazon Product Advertising API

How Do You Buy The Best Anti Siphon Faucet Adapter?

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Specifications: How powerful they are can be measured.
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Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Anti Siphon Faucet Adapter.
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The Best Anti Siphon Faucet Adapter of 2022 – Reviews & Buying Guide

How Do You Buy The Best Anti Siphon Faucet Adapter?

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