One-pipe system
The single-pipe system has a single pipe or main which supplies the heated water to the radiators or convectors and also returns the cooled water to the boiler. |
Two-pipe system
This system has two mains. The heated water is supplied to the radiators or convectors through the supply main, and the cooled water is returned to the boiler through a separate return main. |
Distribution pipes.
Most piping problems occur at the connection to the radiators and not in the piping itself. The pipes are costly to replace and should be checked periodically for rust and leakage. |
|
|