Page 21 - Building services book

ADVANTAGES

Direct system Indirect system

Reduce plumbing work, do not need a If there is water supply interruption,

water tank. This makes it cheaper and users still have water supply from the

easy to install water tank.

Drinking water available from all the cold Water supply constant.

water outlets

There is no risk of pollution sources if In Reduce the pressure of water main

systems not equipped with tanks when the demand is high.
(water supply is clean).

There is sufficient water pressure
especially for electric showers

(water pressure is high).