It order to understand the use of back flow valves, it is first necessary to understand why they are needed, and to do that we need to understand the phenomenon known as backflow. Under normal conditions in a normal water supply system, potable water flows from the city’s water supply to the individual homes and

The city of Carrollton, Texas requires annual backflow testing of all backflow preventers, backflow devices and backflow valves, as part of the Carrollton Backflow Prevention Program as required by the state of Texas and federal law.  This program is maintained in order to protects the water distribution system and to guarantee that potable water will

Backflow testing is required each year to make sure your back flow devices are working properly.  Backflow, as many of you know, is the situation where there is a sudden drop in water pressure from the city water supply to your home, causing contaminated water to flow backwards into the water supply.  To prevent that