Posted 5 months ago

How to Stop Sewer Smell From Vent Pipe?

Many homeowners encounter the unpleasant experience of sewer gas smell within their living spaces. This common issue not only affects the comfort of your home… (keep reading)

How to Stop Sewer Smell From Vent Pipe

Many homeowners encounter the unpleasant experience of sewer gas smell within their living spaces. This common issue not only affects the comfort of your home environment but can also pose health risks if not addressed promptly. Understanding the importance of eliminating this odor is crucial for maintaining a healthy and comfortable living space.

Identifying the Source of Sewer Gas Smell

To effectively remove sewer gas smell, the first step is identifying where it’s coming from. This process involves checking common problem areas such as drains, toilets, and vent pipes. Sometimes, the use of smoke tests or electronic detectors may be necessary to accurately locate the source.

Common Areas and Fixtures to Check

  • Drains: Unused drains can allow sewer gas to enter your home due to dried-out water traps. Regularly running water can prevent this.
  • Toilets: Worn or improperly sealed wax rings under toilets can leak sewer gas. Inspecting and replacing these seals may be necessary.
  • Vent Pipes: Blocked or improperly installed vent pipes can also cause sewer gas smells. Ensuring these are clear and correctly routed plays a critical role in odor elimination.

In the following sections, we’ll explore solutions to repair or replace damaged plumbing, the significance of cleaning and deodorizing drains, and the role of ventilation in maintaining a fresh home environment. Additionally, we’ll discuss when it’s time to seek professional help for a persistent sewer gas smell.

Repair or Replace Damaged Plumbing Connections

Inspecting for and addressing damaged pipes or seals is essential in eliminating sewer gas smells. Begin by visually inspecting visible plumbing for signs of wear or damage. Listen for leaks within walls, as these can indicate hidden problems. For DIY enthusiasts, simple fixes like tightening fittings or replacing worn washers can be effective. However, for significant damage or hard-to-locate issues, professional repair options are advisable due to the complexities involved.

Check Floor Drains and New Plumbing to Remove Odor

Maintenance Tips for Floor Drains

Floor drains are common culprits for sewer gas smells, especially if they are infrequently used. Pouring water down the drain can refill the trap, preventing gas from entering the home. Additionally, cleaning these drains with a mixture of vinegar and baking soda can remove odor-causing debris.

Ensuring New Plumbing Installations Are Not Contributing to the Smell

New plumbing installations can inadvertently introduce sewer gas smells if not properly vented or if traps are incorrectly installed. It’s crucial to review recent plumbing work to ensure it complies with building codes and standards for ventilation and trap installation. If you’re unsure, consulting with a professional can provide peace of mind and ensure your plumbing system is correctly configured.

Clean and Deodorize Drains

Cleaning your drains regularly is a key step in eliminating sewer gas smells. For an effective solution, mix hot water with vinegar and baking soda to create a fizzing action that helps break down debris and buildup. Pour this mixture down the drains, followed by hot water to flush out the loosened materials.

Natural and Chemical Deodorizers to Eliminate Odors

To deodorize drains, you can use either natural solutions like lemon peels and vinegar or chemical cleaners designed for plumbing systems. Remember, the choice between natural and chemical depends on your preference for eco-friendly options and the severity of the odor issue.

Using Odor Absorbers for Sewer Gas Smell

Commercial odor absorbers like activated charcoal or gel beads are effective in capturing sewer gas smells. Alternatively, a bowl of white vinegar or baking soda placed near the affected area can serve as a homemade option.

Placement and Frequency of Use

Place odor absorbers near the source of the smell for maximum effectiveness. For ongoing issues, replace or refresh these absorbers every few weeks or as needed, depending on the product’s lifespan and the severity of the odor.

Ventilate Your Home

Improving air circulation within your home is crucial for eliminating sewer gas smell. Utilize fans, open windows, and consider installing exhaust fans in key areas like bathrooms and kitchens. Proper ventilation not only helps disperse odors but also reduces humidity levels, which can contribute to the problem.

Call a Professional Help for Sewer Gas Smell

When DIY solutions don’t resolve the sewer gas smell, it’s time to call in the professionals. Recognize the problem is beyond simple fixes if the odor persists despite thorough cleaning and ventilation. Expect a professional plumbing service to conduct a detailed inspection, identify the root cause, and provide a lasting solution.


We’ve covered essential steps to tackle sewer gas smell, from identifying the source to employing professional help. Act promptly to address these issues, ensuring a healthier and more comfortable living environment. Remember, timely intervention can prevent more serious problems and ensure your home remains safe and pleasant.

Western Rooter Plumbing Staff

Book Service Today!

If you’re having plumbing issues or emergencies, contact Western Rooter & Plumbing online or call our dispatch center at (626) 448-6455. We are the Los Angeles County and San Gabriel Valley’s number one plumbers – don’t wait, call now!

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