U.S. Department of Energy Energy Efficiency & Renewable Energy U.S. Department of Energy Energy Efficiency & Renewable Energy

Attributes of Core Plumbing Systems

Question: 

Core systems

A.  Use a central plumbing core, where plumbing areas are placed in close proximity to the water heater.

B.  Pipe hot water directly to each fixture or group of fixtures using smaller diameter piping when appropriate and as direct a path as possible. 

C.  Are more expensive and take longer to install than other system types.

D. Are a particular type of trunk and branch system.