Top Picks

10 Best Backflow Preventers to Buy Online

If you’re in the market for a Backflow Preventers, you have a few different options to choose from. We’ll discuss the types currently available in the market, the pros and cons of each, and our top pick for the Best Backflow Preventers.

Backflow Preventers – Best Sellers

Best Backflow Preventers – Top Picks

I have already minimized your options from hundreds to only 10 Backflow Preventers and here you go with a quick comparison chart which should leave no confusion.

Homewerks Worldwide VACBFPZ4B Vacuum Breaker Hose Bib Backflow Preventer, 3/4 Inch, Brass
  • FUNCTIONALITY: Homewerks Vacuum Breaker will help prevent water backflow to the main water supply. 3/4-Inch self draining vacuum, breaker, Male hose thread
  • PERFORMANCE: Can operate into maximum temperature rating of 180º F/82º C and maximum operating pressure rating in 125 Psi. Meets ASSE 1011/CSA B64.2, Meets ANSI/NSF 61-9
  • COMPATIBILITY: The ¾-Inch thread outlet is compatible with most of standard hose and end valves including hose bib, sillcocks, wall faucets and garden hose.
  • CORROSION RESISTANT: Homewerks Vacuum Breaker is a corrosion resistant as it built with durable and reliable brass constructions.
  • HOMEWERKS TRUSTED QUALITY: Be confident in the quality and construction of each and every one of our products. We ensure that all our products are produced and certified to regional, national and international industry standards.
  • 3/4-Inch hose thread outlet
  • Break-off screw for permanent attachment
Zurn Wilkins 1" 350 Double Check Backflow Preventer
  • Flush Tool (FLUSH) provides easy line flushing, saving up to 15 minutes per installation
  • EZSwap removable pressure vessel reduces repair time and costs, and is serviceable off-line
  • Reduced labor and repair kit costs save 75% or more during backflow lifecycle;ASSE Listed 1015, IAPMO Listed;CSA Certified B64.6
  • AWWA Compliant C510;Approved by the Foundation for Cross Connection Control and Hydraulic Research at the University of Southern California
Midline Valve 190U012 Backflow Preventer Valve for Hydronic Heating Applications; 1/2 in. FIP Connections; Cast Iron
  • ✔REPLACEMENT VALVE: Great For Replacing Existing Backflow Protection Valves; Compatible With All Major Brands
  • ✔SAVES TIME AND MONEY: Prevents Water Backflow in Heating Systems With Minimal Pressure Drop
  • ✔SUPERIOR QUALITY: Heavy Duty One Piece Cast Iron Construction; Lead Free; Corrosion Resistant; Rust Resistant
  • ✔Furnished With Stainless Steel Internal Parts, And Union Connectors to Facilitate Removal
  • ✔Easy To Use; Installs Vertically And Horizontally
Litorange 4 Pack Brass 3/4" Inch GHT Hose Bibb Connector Backflow Preventer Vacuum Breaker
  • ★3/4-inch female hose threaded inlet,3/4-inch male hose threaded outlet.
  • ★Max. operating temp. rating: 180 F/82 C, Max. operating pressure rating: 125 PSI.
  • ★Break-off screw for permanent attachment.
  • ★Meets ASSE 1011/CSA B64.2, Meets ANSI/NSF 61-9 Standard.
  • ★Package include: 4 PCS Vacuum Breaker with 4 PCS extra red washers.
Rain Bird HT075BFFS Drip Irrigation Backflow Preventer and 150 Mesh Filter, 3/4" Female Hose Thread
  • #1 commercial-grade irrigation spray head brand in the world
  • Pre-installed orange flush cap blocks debris after flushing system; replace with any Rain Bird MPR spray nozzle
  • 2" pop-up height
  • Heavy-duty stainless steel spring assures flush retraction every time
  • Patented pressure-activated co-molded wiper seal prevents wasteful water leakage and assures long life
  • Tapered pop-up neck helps remove debris during retraction
Zurn Wilkins 3/4" 350 Double Check Backflow Preventer
  • Package Dimensions: 11.938 H x 15.24 L x 31.242 W (centimetres)
  • Package Weight: 2.267 kilograms
  • Assembly shall provide protection where a potential health hazard does not exist
  • Country of Origin : United States
SUNGATOR Anti Siphon Valve, 6-Pack Hose Bib Vacuum Breakers Set, 3/4 Inch Backflow Preventer for Garden Spigot, RV, Solid Brass Anti-Backflow Valve with Sealing Tape
  • 【ADVANCED FUNCTION】: Break-off screw for permanent attachment; eliminates back-siphonage into water supply; anti-backflow valve for most of standard hose and end valves including hose bibs, sillcocks, RV, garden spigot, outside water faucets, hydrants.
  • 【DRAIN HOLE】: Drain hole is able to drain the remained water in the pipe. WARNING :Please keep away from the product when turning off the water, remained water will be sprayed out
  • 【SPECIFICATIONS】: 3/4 inch female hose threaded inlet × 3/4 inch male hose threaded outlet; max operating pressure is 125 psi; max operating temperature is 180°F/82°C
  • 【HIGH QUALITY】: Durable brass material stays longer; Meets ASSE 1011/CSA B64.2, Meets ANSI/NSF 61-9
  • 【PACKAGE INCLUDES】: 6 × Vacuum Breakers, 6 × Washers, 1 × Tape (About 350" long) and 1 × Plastic Box
Zurn Wilkins 1-720A 1" 720A Pressure Vacuum Breaker Assembly
  • Serial number visible in any installed orientation reduces labor time
  • Test Cocks on center line of valve allow for installation versatility
  • Consistent, reliable performance provides world class backsiphonage protection
  • Construction offers corrosion-resistance, strength, and winterization protection
  • ASSE Listed; IAPMO Listed; CSA Certified; Approved by the Foundation for Cross-Connection Control and Hydraulic Research at the University of Southern California; Serial number visible in any installed orientation reduces labor time;
HYDRO MASTER Vacuum Breaker Valve,Hose Bib Backflow Preventer, 3/4 Inch, Brass Finish
  • Material: Brass, Heavy duty solid brass made it durable.
  • Size: 3/4 inch thread fit most standard American hose.
  • Function: Vacuum breaker can help you prevent foreign matter from entering the drinking water, prevent water from freezing and prevent anti-siphoning.
  • Performance: Can operate into maximum temparature rating of 180º F/82º C and maximum operating pressure rating in 125 Psi. A self draining vaccum breaker and can provide a permanent installation solution by tightening and breaking off the optional screw set. Meets ASSE 1011/CSA B64.2, Meets ANSI/NSF 61-9
  • Quality: Be confident in the quality and construction of each and every one of our products. We ensure that all our products are produced and certified to regional, national and international industry standards.

What to Consider Before Buying Backflow Preventers

Even deciding on an insignificant purchase can make you feel like choosing between the red pill or the blue one. But is the headache really worth it? Online shopping was meant to make our experience simpler, easier and enjoyable. But in reality it is quite easy to get confused on the decision which one to buy?.

This is where our efforts come in! This list of backflow preventers will surely save you valuable time and effort. However another question remains, what makes our compilation the best? Or on what basis you should trust this backflow preventers list.

Is it virtually possible to know every detail of a product for making a perfect purchase? The answer is definitely NO, it’s not! Then how do you make the correct decision while buying backflow preventers? Well, the complexity of selecting a single product from a sea of them can be simplified taking into consideration a few key metrics regarding the product.

We feed thousands of data to our AI regarding these products through advanced algorithms. Based on the relevant data i.e. brand, features, specs, ratings and reviews and many others (which are discussed below) a list of best backflow preventers has been prepared by the AI.

Brand Reputation:

Branded products might seem pricey but the point is they are charging those extra bucks for reliability. Unlike many other things, trust doesn’t come cheap. 8 out of 10 times you can trust a branded one.

Unique Features:

Enough and useful features make a product purchase worthy. This is the basic criteria to be followed.

Useful Specifications:

Matching the right specs according to your need is very important and we miss no important things.

Star Ratings:

Healthy ratings indicate a good product. Highest rated products rarely disappoint users. So, we pick the best rated units on our list.

Number of Reviews:

Higher number of reviews in the shortest period of time shows the product is accepted widely by a lot of customers. Customer feedback aka customer reviews are the most insightful source of judging a product’s merit. We take serious consideration into customer reviews and total numbers while choosing them.

Ratio of Positive Reviews Against Bad:

The final rating is an average of all ratings provided by users. But we can get a deeper look at the product’s performance if we analyze the ratings on each star level.

Ranking of the Seller:

Shows the reputation of the seller. Even if you choose the correct item, a bad seller can be a big hassle. So stare clear of them.

Product Ranking in Relevant Category:

These small little details are never left out of our consideration. This is what makes our selection even more confident and authentic.

Bang for the Buck:

Spending a fortune on backflow preventers is not a wise thing to do. Our every selected item should provide you the best value for the money you spent.

Selling Growth Over the Product Lifetime:

A product might have thousands of reviews and good ratings, still can be a bad choice. Once hyped products can be an outdated choice now. So, a gradual positive growth of any product indicates its reliability.

Latest Models:

Every product is perfected with every new edition. Those little improvements, upgrades and adjustments come real handy in user experience. So, we keep in mind to choose the latest ones.

Product Availability:

Unavailable product is like a dead lion. Discontinued items are surely not recommended.

Rating By Features:

There is a special segment in amazon where the product is rated according to different relevant features. This one is mostly overlooked by everyone. But we keep a keen eye on this!

Overall Versatility:

A product needs to be versatile and user friendly. Our aim is to prepare a list of best backflow preventers which will serve you in a wide range.

Amazon’s Preference:

Amazon’s choice can be a factor to consider. It creates a sense of reliability among customers. We value amazon’s choice and prepare all lists keeping this fact in mind.


After reading through all of the reviews and features of the different backflow preventers, it is clear that there are a lot of great options to choose from. However, the best option for each person will vary depending on their individual needs and preferences. But here, the products we have listed above, have great features and are highly rated by customers. If you are looking for the Best Backflow Preventers, then any of these 10 would be a great choice for you.

Last update on 2023-03-21 at 10:54 / Affiliate links / Images from Amazon Product Advertising API

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