System for providing temporary water service between a water main and one or more locations normally connected to the main

摘要

A system for providing temporary water service between a water main and one or more locations normally connected to the main in which a pipeline is provided above ground and has a supply section and a return section which are connected to the main. Each of the locations are connected between the supply section and the return section. The water is circulated from said supply section, through said location and to said return section in response to the ambient temperature dropping below a predetermined value.