For heating and cooling, one pipe is a supply line and one is a return line.
If its a large steam system which I am assumeing,then a pump or pumps.
A direct vent appliance uses a two pipe system which takes combustion air from the outside through one pipe, and then exhausts flue gases out the other pipe. These system do not use room air for the combustion process.
Not sure what you're asking. Do you need to know size of piping or what kind of pipe to use?
Yes, but you need a special liquid from the pipe store.
One disadvantage of using a one pipe heating system is that what?
if it is what i am thinking of it should be part of the cooling system and is probably the thermostat housing It might be part of the fuel injection system. Do you smell gas when the engine is running? Can you tell what is leaking out of the pipe?
In a pipe system, there is an inverse relationship between pressure and diameter. This means that as the diameter of the pipe increases, the pressure within the pipe decreases, and vice versa.
The pipe breaks in the building's plumbing system occurred last week.
Not with air! Run water in pipe at highest elevation of pipe and see that water drains at end of pipe system.
Better air flow, less chance of stoppages quietier systems
reticulated system pipe line colour code
sorry you cant jump the red pipe. Bowser has to get shocked by that alarm system.