Traps&Vents
Water Supply & Distribution
Drainage & Waste
Water Heaters
100

This fitting must be installed at the lowest point of a drainage system to prevent sewer gas from entering occupied spaces.

What is a P Trap?

100

This valve type is required at the base of every riser, branch main and group of fixtures. 

What is a shutoff valve?

100

This fitting connects a vertical stack to a horizontal drain line and must be installed upright.

What is a sanitary tee?

100

This valve must be installed on the hot water supply system to relieve excessive temperature and pressure.

What is a T&P relief valve?
200

This type of vent connects at or above the flood level rim of the fixture being served and protects against siphonage.

What is an individual vent?

200

This device prevents contamination of potable water by backpressure or backsiphonage.

What is a backflow preventer?

200

The minimum slope for a 3" horizontal drainage pipe is this fraction of an inch per foot.

1/4" per foot?

200

This material, commonly used for vent connectors on gas water heaters, must not be used where condensation is likely.

What is single-wall metal pipe?

300

This venting method allows fixtures to share a common vent and is often using back-to-back bathroom groups.

What is a common vent?

300

The minimum size water service pipe to any buidiling.

What is 3/4"?

300

Cleanouts must be installed at this maximum interval in horizontal drainage piping 4 inches or smaller?

What is 75'?

300

A water heater located in an attic or ceiling must have this type of device or feater to prevent leaks from damaging ceilings.

What is a drain pan with a drain line?

400
According to the IPC, the maximum distance from the trap weir to the vent opening for a 2-inch trap arm is this number of feet.

What is 5 feet?

400
When hot water distribution exceeds this length, a recirculation or heat-traced system is required.

What is 100'?

400

This term describes the lowest horizontal piping of a drainage system that receives discharge from stacks and branches.

What is the building drain?
400

The minimum required working space in front of an electric water heater for service is this number of inches.

What is 30 inches?

500

Tjos term describes a vent that runs verticallyh from the highest fixture connection through the roof.

What is a stack vent?

500

This term refers to the pressure available at the highest fixture in the system when no water is flowing.

What is static pressure?

500

This term describes a vertical drain pipe that receives the discharge from the fixture drains of one or more floors and conveys it to the building drain or building sewer.

What is a soil stack or waste stack

500

When a storage-type water heater is installed in a location where leakage could cause damage, the IPC requires this protective feature in addition to a pan and drain.

What is a leak detection device with at shutoff valve?

M
e
n
u