What Is A Bell Trap Drain?

by | Last updated on January 24, 2024

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Bell Traps. A bell trap utilizes a basin with a bell-shaped component that fits over the vertical drain pipe. Combined, these components are designed to

maintain a water “plug” that prevents gases from passing around the trap

.

How does a bell trap drain work?

Bell Traps. A bell trap utilizes a basin with a bell-shaped component that fits over the vertical drain pipe. Combined, these components are designed to

maintain a water “plug” that prevents gases from passing around the trap

.

Why are Bell traps prohibited?

The IPC prohibits bell traps becahse in the way they are designed,

they tend to clog with debirs and their trap seal has a larger exposed surface area which accelerates evaporation

.

What is a bell trap used for?

Oatey® Bell Trap Drains are designed for use in garage, patio or other outdoor areas to drain water to a well of the unit that

serves as a trap to contain sewer gas

.

What are Bell traps?

Bell traps are

drains that are designed to trap foul smelling sewer gas

, preventing it from emanating out of the pipes and into a living environment, such as a basement, garage or patio. We’ve also got drain components, sink drains and lots of grates.

Is house trap necessary?

Why are

house traps no longer needed

? While good in theory, the plumbing industry realized that house traps can cause more harm than good. The material of the pipe can corrode or the trap can get clogged by household waste (and be difficult to unclog since it’s buried below ground).

Are house traps required?

House traps are required here according to State & Local Code, they are

generally inside the house

and used to access the main line leaving the house for snaking purposes. There should be a fresh air vent connected upstream of the trap.

What is a crown vented trap?

A “Crown Vent” is

a vent that is located within 2 pipe diameters of the trap it is serving

. The issue is if the vent is that close it is more likely to be subjected to fouling of hair, soap oils, grease, and other debris.

What is a running trap?

: a trap (as a U trap)

in a pipe permitting liquid flow but forming a barrier against sewer gases

.

What is a building trap?

A building trap is

located underground on your main sewer line

usually just after it exits the foundation of your home towards city sewers. Building traps are made of clay which has long been discarded as a drainage material due to its vulnerability to failure.

How does a basement floor drain work?

They’re built so that the concrete floor immediately surrounding the drain slopes inward so that water can collect in the drain and be carried away from the house. Most floor drains today

direct water toward a collection pit where it is then pumped out to the surface of the property via a sump pump

.

Do all houses have a house trap?

House traps were originally designed to prevent sewer odors from escaping your drains and re-entering your home. A typical house trap (also known as a “p-trap”) looks like a “U” in your plumbing line. … However, these drain components

are still functioning in thousands of homes all across the country

.

How much does it cost to replace a house trap?

Replacing a house trap costs

up to $100 in materials

, plus up to half a day in labor. Digging under the foundation may require more time to install the trap. Replacing concrete costs extra.

Where is the sewer trap in a house?

A trap is a U shaped pipe located

under sinks, tubs, shower

, washing machines, and pretty much anything that connects to your sewer line system. They can be seen quite easily, just open up the cabinet under the sink in the kitchen or look at the side of the toilet.

Does a sewer line need a trap?

Each drain line and plumbing fixture is connected to a sewer trap. Among other things, sewer traps

prevent toxic gases contained in wastewater

, the public sewer, or septic tanks from escaping and entering your house.

Diane Mitchell
Author
Diane Mitchell
Diane Mitchell is an animal lover and trainer with over 15 years of experience working with a variety of animals, including dogs, cats, birds, and horses. She has worked with leading animal welfare organizations. Diane is passionate about promoting responsible pet ownership and educating pet owners on the best practices for training and caring for their furry friends.