HYHW drains and vents

Front

Function of the component labeled '7' in the waste system diagram?

Back

Drain pipe

Front

The component labeled '8' is a _______ that allows access to the waste system for cleaning.

Back

Cleanout

Front

The component labeled '9' is used for which of the following?

Back

House sewer

Front

Each fixture drain must be ______ to prevent the passage of noxious sewer gases.

Back

trapped

Front

The largest vertical drain pipe is called the ______.

Back

soil stack

Front

The largest, bottom-most horizontal waste pipe is the ______.

Back

house drain

Front

What is the purpose of Y-shaped cleanouts in the waste system?

Back

To facilitate unclogging of drain pipes

Front

Waste pipe outside of the building line is termed the ______.

Back

house sewer

Front

What is the primary purpose of a plumbing vent system?

Back

To allow air to enter the plumbing system

Front

The vent system helps maintain _______ in the plumbing system.

Back

Air pressure