It is a waste water from domestic activities like washing and bathing.

• Black Water

• Grey Water

• Storm Water

It is a common sewer with equal connection rights.

• Public Sewer

• House Trap

• House Sewer

• Relief Vent

The end of a pipe fitting into a bell, also known as a faucet.

• Sump

• Sleeve

• Spigot

• Seal

Loss of water seal due to ventilation issues.

• Trap Seal Loss

• Back Pressure

• Evaporation

• Siphonage

Describes how foreign objects can disrupt trap seals in plumbing.

• Vents

• Capillary Action

• Air Gaps

It is a type of ventilation that is a long vertical pipe with 3 to 5 floor intervals.

• Yoke or By-pass Ventilation

• Unit Vent

• Relief Vent

• Circuit or Loop Vent

It prevents unwanted passage of air and vermin.

• Cleanout Ferrule

• Trap

• House Drain

It allows access for cleaning and inspection of pipes.

• Trap

• House Drain

• Cleanout Ferrule

It conveys waste to the house sewer with proper slope.

• House Drain

• Trap

• Cleanout Ferrule

Suction caused by liquid flows in pipes.

• Suctionage

• Relief Vent

• House Trap

• Public Sewer