Toilets
The minimum distance from centerline of ADA toilet to side wall, vanity, bathtub, or other obstruction
What is 18" inches?
This Latin-derived term is used by professionals to describe a bathroom washbowl, while "sink" usually refers to the kitchen variety.
What is a lavatory?
What is required on a floor drain if the water isn't replenished regularly?
What is a P-trap prime?
This safety device on a water heater is designed to "blow off" if the temperature reaches 210°F or the pressure hits 150 psig.
What is a T&P (Temperature and Pressure) relief valve?
This is the approximate BTU content of one cubic foot of Natural Gas.
What is 1,000 BTUs? (Propane is approx. 2,500).
The normal rough-in on a water closet to finish wall
What is 12" Inches?
This device creates an air break, preventing drain water from siphoning back into a fixture.
What is an air gap?
This common plastic pipe material stands for Poly Vinyl Chloride.
What is PVC?
This is the standard "ideal" residential water pressure range for most modern homes.
What is 40 to 80 PSI? (Some codes specify 50–70 PSI as the "sweet spot").
This odorant is added to colorless, odorless natural gas to give it a "rotten egg" smell for leak detection.
What is Mercaptan?
The minimum distance from centerline of toilet to side wall, vanity, bathtub, or other obstruction
What is 15" inches?
What is the primary reason a P-trap is essential for health and comfort?
To block sewer gas (or odors) from entering the home.
A 2" drain requires a minimum slope of this percentage for proper flow.
What is 2%? (or a 1/4 inch per foot)
According to most plumbing codes, an approved pressure-reducing valve (PRV) must be installed if the main static water pressure exceeds this amount.
What is 80 PSI?
While Natural Gas is lighter than air and rises, this common fuel gas is heavier than air and will pool in low spots or basements.
What is Propane (LP)?
Adjusting the float to sit about 3/4" below the top of the overflow pipe helps prevent this common issue.
What is the toilet running constantly (or continuously)?
This term describes the top edge of a sink basin where water would begin to spill over onto the floor.
What is the flood level rim?
This term refers to the entire system used for moving liquid waste out of a building, abbreviated as DWV.
What is Drain, Waste, and Vent?
This unit of measurement (WSFU) is used to calculate the demand of various fixtures when sizing a water distribution system.
What is a Water Supply Fixture Unit?
This device is used to reduce the high pressure from the utility main to the low pressure required for household appliances.
This individual perfected the siphon flush system used in many modern toilets, though he did not invent the toilet itself.
Who is Thomas Crapper?
This trendy kitchen sink style features an exposed front panel and a deep basin, often associated with rustic designs.
What is a farmhouse (or apron-front) sink?
This pipe conveys discharge containing only fecal matter or liquid waste from water closets.
What is a soil pipe?
This phenomenon, causing a loud "bang" in pipes when a valve is closed quickly, is managed by installing specific arrestors.
What is water hammer?
Underground gas lines made of yellow plastic must be accompanied by this to allow for future locating with a metal detector.