4 Difference Between One And Two Pipe System

Difference Between One And Two Pipe Systems

Following are the 4 differences between one pipe system and two pipe system:

One Pipe System	Two Pipe System
1. In this system, one main vertical pipe is provided. All the waste matter from bathrooms, kitchens, water closets etc. is discharged into it. In addition to this, a separate vent pipe is provided.	1. In this system, two sets of vertical pipes are laid. One pipe is used for draining sullage. Both the pipes are ventilated separately by providing separate vent pipes or anti-siphonage pipes.
2. In small houses and building one pipe system is preferred.	2. This system is highly favoured particularly for large and multi-storied buildings.
3. It requires less number of pipes and is hence cheap. It also requires small spaces.	3. It requires a large number of pipes and is hence costly. It also requires large spaces.
4. This system is less efficient.	4. This is the best system for the efficient conveyance of house wastes.