Both. M used for hot water heat. L used for domestic hot and cold water.
The best sealers for copper pipe are a combination of plumbers tape and plumbers epoxy. The tape is used to temporarily seal any holes while the epoxy dries.
The same that is used above ground. Sweat fitting coupler. I would not use copper underground in an area that has winter.
Egyptians invented the copper pipe. They used them to build elaborate bathrooms in the pyramids. They also used them for irrigation and sewage systems. +++ Bathrooms? In the Pyramids - which were built as tombs?
Used for inspection. Heat numbers make it possible to trace pipe from spools fabricated on a job to material documentation from a given melt. The matching documents will tell when and where the pipe was made, the material used and the pipe grade etc.
Because it is a very good transmitter of heat.
table x
Underground I use K copper exclusively..
I am sorry, but can you PLEASE rephrase your question? Can WHAT be used for copper pipe? When? How? Why?
it is used for plumbing
You can use copper pipe.
Copper pipe was common anywhere in US.
It is a copper pipe used in plumbing.
It is the THINNEST ply of copper pipe and is ONLY used for heating purposes like baseboard heating!
Copper can rust
It is not a good idea to use copper pipe with natural gas as any sulphur compounds in the gas can cause an oxide to form in the copper pipe. Often copper is used with propane. In these instances, soft copper tubing is usually used with compression fittings. The tools required are, pipe cutter and 2 wrenches.
A hatchet copper? The only thing that comes to mind is a clip that is used to hold copper pipe up. It is driven into wood and has a curved section to support the pipe. A copper hatchet or brass hammer is used when you do not want to damage what you are hammering.
Copper with a purity of 99,99 %.