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- By James Wisler
- Plumbing Tips
What is a plumbing vent used for? A plumbing vent ensures the proper functioning of the plumbing system. Read on to find out why vents are so important.
A typical household always has a constant flow of water; However, a hidden component ensures the proper functioning of this system.
This underrated element of the plumbing system is the plumbing vent. Recognizing the importance of this direct vent chimney can be the difference between smooth operation and clogged pipes.
Beyond the plumbing system, a plumbing vent also plays an important role in the drainage system. Read on if this isn’t enough to convince you why you need a plumbing vent. We will explore the various benefits of this vent and its different types and identify the problems associated with the vent.
WHY DO I NEED A PLUMBING VENT?
MAINTAINING WATER PRESSURE
When most people think of plumbing systems, they think of the inlet and outlet pipes that carry water throughout the home. Drainage pipes remove waste and dirty water from the sewer system. We now use utility lines to bring water into the building for sinks, appliances and other everyday items.
Along with these essential plumbing arrangements, a vent pipe regulates air pressure throughout the system. Although it may seem out of place, it plays one of the most important roles. It creates vacuum to control the direction of air in the exhaust and supply lines.
Therefore, a plumbing ventilation system essentially uses air to pump water throughout the home while simultaneously pushing waste and dirty water out of the home. Even if the other drain pipes are clean and well maintained, they would not function without the vent pipe to move water.
REMOVING SEWER GAS
Vents are also important for preventing sewer gasses from entering your home. Without these vents, sewer gasses would slowly build up in the rooms.
These sewer gasses are unpleasant, but can also be dangerous if inhaled. Persons exposed to these sewer gasses without adequate protection are at high risk of possible poisoning and other illnesses.
For this reason, ventilation openings are usually located on the roofs of houses and buildings. HVAC systems are also placed away from these vents to prevent them from entering the home through another vent. Ultimately, the end goal of a plumbing ventilation system is to limit the frequency of human contact.
TYPES OF PLUMBING VENT PIPES
Among sanitary ventilation systems there are some variants that are specialized for certain installations and uses. Below are some of the different types of vents and where you can find them.
One of the most common plumbing vents, a true vent, attaches directly to the drain line. It is responsible for regulating the flow of gas in your home’s plumbing system. No water flows through these pipes, so the air is exhausted to the roof and your bathroom is supplied with fresh air.
Normally standard ventilation is used when two devices, such as: B. Wash basins, are located in separate rooms and have a common wall. These vents are connected to a chimney (called a vent pipe) with a plumbing cross to distinguish them from other vent pipes in the plumbing system.
AUXILIARY VENT/RE-VENT PIPE
This vent serves as a path directly to the drain line or behind plumbing fixtures such as sinks and bathtubs. Ultimately, it connects other plumbing fixtures to the central vent to control gas buildup.
AIR ADMITTANCE VALVE (AAV)
An essential type of plumbing vent, the AAV, acts as a buffer to prevent gasses from entering a room during wastewater disposal. When opened, this sewer line can release a sudden influx of harmful sewer gasses, which is stopped by gravity using AAV. Typically, these vents are used for several plumbing fixtures around the house, such as the actual vent.
VENT PIPE PROBLEMS
Identifying a problem with your vent pipe can help you determine the best course of action to get water flowing properly again. While you can fix plumbing and drain pipe problems, a plumbing vent requires special attention.
One of the best steps before moving forward is to determine the cause of the blockage. A gurgling sound in the drain pipes is one way to identify a clogged vent. Other signs of a clogged vent include sewage backup, little or no drainage in sinks or tubs, and an unpleasant odor that comes from sewer gases.
If you suspect that the cause of your clog is a clogged vent system, it is highly recommended that you call a professional. If a backwater remains in the riser, there is a high risk of sediment deposition. These deposits can ultimately lead to damage to the pipeline and can cost significant money to repair.
FAQS ABOUT PLUMBING VENT
WHAT IS THE PURPOSE OF A PLUMBING VENT?
A vent helps regulate air pressure in drainage systems and ensures fresh, clean air flows into the plumbing fixtures and pipe system. Venting also eliminates any negative pressure that could trap harmful gases or prevent smooth pipe flow.
HOW DOES A PLUMBING VENT WORK?
Plumbing venting balances air pressure in plumbing drainage systems to allow drains to flow smoothly and prevent water from being siphoned out of traps. The vents allow air into the system, allowing water to drain properly.
WHAT CAUSES A CLOGGED VENT PIPE?
A vent pipe may be clogged with dirt, animal/insect nests, or grease or ice buildup. This prevents the vent from bringing fresh air into the plumbing fixtures.
WHAT ARE THE SIGNS OF A CLOGGED PLUMBING VENT?
Signs of a clogged vent line include slow draining of the sink/bathtub, gurgling noises from the pipes, foul-smelling sewer gases from the pipes, reduced water flow, and toilets that bubble or flush. Weak water.
HOW CAN YOU UNCLOG A VENT PIPE?
To unclog a vent pipe, you can try snaking the vent with a drain auger or plumbing snake. However, vent pipes are often installed high up and may require a professional plumber to safely access and unclog them using specialized equipment. A plumber can also determine whether the entire ventilation system needs to be repaired.
UNDERSTANDING PLUMBING VENTS
It’s safe to say you’ll have a better understanding of why vents are so important in any plumbing and drainage system.
Ensuring your vents are working properly can be beneficial to having a system that runs smoothly. After all, no one likes clogged pipes and the hassle of repairing them. Air vents keep unpleasant odors out of our living spaces, and we have a lot to thank for this duct system.
No modern home is complete without these plumbing vents that help us meet our daily needs. With that in mind, we conclude our guide on why these vents are so important. Please contact Wisler Plumbing & Air if you need help installing vents in Virginia! From Roanoke to Salem, we are your trusted Roanoke plumbers!