Backflow preventers are assemblies with two check valves and two shut-off valves that prevent reverses in process flow. They may also include test cocks for each chamber within the assembly. Backflow ...

Sewer backflow preventers are an essential part of your home's plumbing. Here's why you need one and how to test if yours is ...

Broussard Services (615-988-6030) has announced backflow prevention device inspections as part of its residential and commercial plumbing options in Nashville, Tennessee, and nearby cities ...