The Best Sewer Line Backflow Preventers

Here are some of the best and easiest to install septic line backflow protection valves for residential and commercial septic systems.

Occasionally, a nasty septic overflow can occur due to various reasons such as blocked plumbing system, cracks in the pipe, or heavy rains sending wastewater back through the sewer pipe and into your home.

Septic backflow is nasty stuff that can ruin carpet, soak into drywall and make a real stinky mess out of your home.

The good news is you don’t have to worry because you can prevent the nasty overflow problems by installing a sewer line backflow preventer.

What do sewer line backflow preventers do? 
A sewer line backflow preventers will keep the sewer water in the pipes and out of your home and prevent it from flowing back into the home, especially in areas that are prone to flooding.

They will also save you the agony of having the sewage come up through the basement or your toilets. The sewer backflow preventers are easy to install to your plumbing system.

How does a sewer backflow valve work?
The septic backflow device works by controling sewage and septic smell from flowing back into your home. A plastic or rubber flap inside the sewer backflow valve only allows effluent to move in one direction, preventing it from entering your home via the sewage piping.

With lots of different varieties of sewer line backflow preventers available today, it might prove to be challenging for you when you go out to shop for one. To save you time, here is an exclusive look at the best sewer line backflow preventers.

Oatey 43904 PVC Backwater Valve, 4-Inch1. Oatey 43904 PVC Backwater Valve, 4-Inch
This is one of the best sewer line backflow preventers in the market.

The product is efficient in preventing sewage or any fluid from flowing back into your sink, tub, drain or toilet in case of an emergency such as hurricane or floods or when the sewer system is being repaired.

The valve features an elastomeric seal in a quick action flapper that ensures a watertight seal. Its threaded access cap integrates a neoprene seal for perfect sealing and can be removed or tightened by hand.

This valve is easy to install and entirely does the job it has been designed to do.

This model also features:

  • 4-Inch Size
  • Elastomeric seal
  • Threaded Easy Access Cap
  • Extremely durable

Our Rating: (5/5)

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Canplas 73009 Backwater Valve with 4-Inch PVC, White
2. Canplas 73009 Backwater Valve with 4-Inch PVC, White

This backwater valve is perfectly designed to protect your water system against sewage backflow and stormwater. It has a neoprene seal around the flapper that seals the valve lid effectively. Under normal conditions, the lightweight flapper opens and lets the wastewater to exit to the sewer line.

However, in the case of backflow, the seals of the flapper close, preventing the flow from reaching the interior drains that enter into the living space. Though not clearly indicated, Canplas 73009 Backwater Valve is as well useful in preventing about ninety-nine percent of the sewer smell.

This model also features:

  • Neoprene flapper seal
  • Contains septic smell
  • Threaded Easy Access Cap
  • Extremely durable

Our Rating: (4/5)

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Canplas 123284 Backwater Valve, 4-Inch3. Canplas 123284 Backwater Valve, 4-Inch
If you are searching for a lightweight, compact, and easy to install a backwater valve, this is the right product for you.

Canplas 123284 Backwater Valve is effective in protecting against sewage backflow and stormwater.

This product features Acme threads that offer extra strength and positive traction. After you have the backflow valve installed in place, all the drain openings behind the backwater valves will be well protected from backflows.

This model also features:

  • Hi-strength ACME threads
  • Contains septic smell
  • Lightweight design
  • Easy install

Our Rating: (4/5)

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septic backflow valves
4. Canplas 223285W PVC Backwater Valve with 16-Inch Access Sleeve and ABS Lid, 4-Inch

This one is one of the best priced four-inch backwater valves. The product contains access sleeve, valve, the access sleeve lid, and its super easy to install.

The best thing about this backwater valve is that you can open it through the access sleeve and remove the internal flapper valve in case you want to clean it. As an assurance of its high quality, the backwater valve comes with a six-month guaranteed money refund from the delivery date.

This model also features:

  • PVC Backwater Valve
  • Contains Access Sleeve
  • Six-Month Guaranteed Money Refund
  • Easy install

Our Rating: (5/5)

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Canplas Backwater Valve, 2-Inch5. Canplas Backwater Valve, 2-Inch

Made in the united states, Canplas Backwater Valve, 2-Inch is one of the best in protecting basements and other low-level areas from the sewage backflow or stormwater.

The valve fits your plumbing system quickly and is simple to install. With a great concept and design, this good gravity backwater valve is just what you need for your basement remodel. The sewer backflow valve installation is simple and you can easily do it yourself.

 

 

This model also features:

  • Backwater Valve
  • Protecting Basements From Backflow
  • Great Design
  • Easy Install

Our Rating: (4.5/5)

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Septic backflow valve6. Canplas (CANPE) 223281W

Canplas (CANPE) 223281W is the best designed of the sewer line backflow preventers. It provides effective protection against sewage backflow and stormwater into your residential homes and businesses.

This toilet backflow preventer valve is recommended for all plumbing lines that sieve low-level appliances to protect it from the sanitary sewer backflow.

These valves place a partially obstructing flap in the water path, slowing the flow and promoting hand-ups from the debris. In the case of backflow, the valve flap seals the vent preventing the backflow.

This model also features:

  • Provide Effective Protection
  • Designed Of The Sewer Line
  • Lightweight design
  • Easy install

Our Rating: (5/5)

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Final Verdict 
Choosing one of the above sewers will help keep your habitat safe from sewer backflow that contains contaminated and disease-causing organisms. Once you install it correctly, the backwater valve preventer can last for several years, provided you clean it regularly and have it checked annually.

Septic backflows can also help control septic tank smell which can make it’s way out the vents and stink up your yard or inside your home. Ick! Many home owners use these septic backflows with carbon fiber activated septic vent filters as a 1-2 punch for controlling sewer  odor in the home and out in the yard.

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