Some sinks typically found in commercial businesses, such as a mop sink, are equipped with a backflow prevention device called an atmospheric vacuum breaker installed on the faucet.
All hose bibs (hose connections), sometimes called sillcocks, are required by code to have a special backflow prevention device installed called a hose connection vacuum breaker. This device prevents water in the hose from flowing backward into the pipes of your house.
In restaurants, beverage dispensing equipment is required to have specialized backflow prevention devices installed to prevent carbon dioxide gas and carbonated water from mixing with copper piping.
In other types of commercial and industrial businesses, it is necessary to ensure the safety of Goochland County’s drinking water by requiring the installation of backflow prevention assemblies in the main water-service line to certain types of buildings such as:
Backflow Prevention Devices
- Car washes
- Chemical and petroleum processing and storage facilities
- Funeral homes
- Industrial manufacturers
- Laundry mats
- Medical and dental clinics
- Veterinary facilities
The types of backflow prevention devices installed at these locations can range in size from .75 inches to 10 inches in diameter and cost anywhere from a couple hundred dollars to tens of thousands of dollars to install and maintain.