VistaCheckDual Check Backflow Preventers
for Low-Flow Applications

VistaCheck® Dual Check Backflow Preventers provide reliable, certified, cost-effective protection for the public water supply and can be used on all low-flow potable water lines not considered to be “high-hazard.” All models provide both backsiphonage and backpressure protection when installed according to local plumbing requirements.


  • 100% lead-free
  • Available in 1/4" & 3/8" tube sizes
  • Push-to-connect tube adapter fittings preinstalled
  • Durable, non-corrosive, transparent PVC models
  • Install vertically, horizontally or at any angle
  • Low pressure drop and controlled flow rates
  • Modular design for easy servicing if required
  • Resists Chlorine and Chloramine corrosion
  • Resists water hardness and scale buildup

Industries & Typical Applications

  • Residential, commercial & light industrial
  • Food service, healthcare & water treatment
  • Hot & cold-water supply lines
  • Pull-out sprayer hose outlets
  • Reverse Osmosis, water softener & filter systems
  • Distillation & dialysis systems
Model FNPT Size
VC250-A 1/4"
VC250-B 3/8"