Summary
Highlights
The video starts by defining 'Plumber's Friend' and the boiling point of water at sea level under normal atmospheric pressure, which is 212°F. It also discusses preventing backflow and the meaning of 'IPS' (Iron Pipe Size).
It addresses the most efficient type of venting system, identified as an individual vent, and where a downspout should be connected (to a storm drain). It also explains the abbreviation 'BW&O' as 'bath waste and overflow'.
The video highlights the only safe method to ignite a torch for soldering (using a striker) and the type of saw used for cutting threaded rods (a portable band saw). It also defines 'LFL' as 'lower flammable limit' and 'individual tolerance level' regarding chemical exposure.
It explains how a hot water system's safety mechanism works (automatically) and refers to a schematic piping layout as a drawing without regard to scale. It defines an 'apprentice' as someone who enters an agreement with an employer.
The video discusses the type of wrench used for hubless joints (torque wrench) and defines 'vent pipes' as pipes that ventilate the drainage system. It also defines a 'journeyman' as a person skilled in a trade after completing apprenticeship training.
It describes 'thermoplastic' as a plastic resin that can be heated and reformed repeatedly. It identifies a 'Stillson wrench' as a variation of a pipe wrench with a swiveling serrated jaw and a 'basket strainer wrench' as a tool for tightening the nut that secures the basket to the sink.