Glossary of terms used on this site

There are 115 entries in this glossary.

All A B C D E F G H I K M N O P R S T U V Y

Term	Definition
Main	The primary artery of supply of the water supply or drain system in which all the branches connect. In the case of drains, known as the Main Vent.
Male Threads	Threads on the outside of pipes and fittings.
Malleable Fittings	Fittings made of metal which is soft and pliable.
Manifold	A fitting that connects a number of branches to the main; serves as a distribution point.
Mechanicals	The wiring, plumbing and heating and cooling systems in a building; also the components with moving parts such as furnaces, plumbing fixtures, etc.
Microgeneration	The generation of zero or low-carbon heat and power by individuals, small businesses or communities to meet their own needs. (Examples include solar heating, photovoltaics and wind turbines.)
Multi-Stage Pump	A pump that has more than one impeller.