These bypass water meter accessory kits prevent the backflow of pollutants that are objectionable but not toxic, from entering into the potable water supply. They are designed for non-health hazard applications and may be installed under continuous pressure service to protect against both backpressure and backsiphonage. Available in Gallons per minute or Cubic Feet per minute Badger meters are used primarily on fire sprinkler lines when it is required to detect leakage or when it is necessary to monitor unauthorized use of water.