Summary
Highlights
The video starts discussing kitchen sink rough-in and clarifies that PVC is not allowed for water distribution systems according to plumbing codes. It differentiates between CPVC and PVC, stating they require different solvent welding cements.
An installation of a manufactured product must be approved by the plumbing inspector. A tank-type toilet water supply rough-in is always installed on the left side of the fixture.
One vertical foot of water weighs 0.434 lb per square inch. Connecting a city water supply system with a private well is known as a cross-connection and is illegal. Most codes dictate that a fixture cannot be supplied with more than 80 lb of pressure.
Water quality of a private well is the sole responsibility of the well owner. The video briefly touches on ways to prevent backflow.
IPS stands for Iron Pipe Size. The minimum fixture drain size of a washbasin is 32 mm. A nipple is not considered a sanitary drainage fitting.
A lavatory pop-up assembly is 1 and 1/4 inches and is sealed with putty or caulk. The best fitting combination for the base of a soil or waste stack is a wye branch and 1/8 bend.
Faucet holes for a laundry sink are typically 4 inches spread. The most efficient type of venting system is an individual vent.
Concrete pipe is not recommended for use in water supply systems. The water supply to a water closet utilizing a flush valve is 1 inch.