The cost of a backflow prevention device for residential protection can be anywhere from $100-$200.00 dollars plus the cost of having a licensed plumber install it. Backflow devices for other applications may be substantially more expensive.
The cost of a backflow prevention device for residential protection can be anywhere from $100-$200.00 dollars plus the cost of having a licensed plumber install it. Backflow devices for other applications may be substantially more expensive.