Taco

Flo-Chek 1" Cast Iron IPS Check Valve

537 MFG #: 220-6
  • Body Material: Cast Iron
  • Size: 1" x 1"
  • End Connection: FPT x FPT
  • Type: Universal
  • Specifications
  • Description
  • Documents
  • Type: Universal
  • Nominal Size: 1 Inch x 1 Inch
  • End Connection: Female Threaded x Female Threaded
  • End to End Distance: 4-1/4 Inch
  • Body Material: Cast Iron
  • Temperature Rating: 277 Deg F
  • Pressure Rating: 125 PSI
  • Application: Forced Hot Water Heating System, Plumbing, Hydronic
Taco Flo-Cheks have dependably stopped gravity circulation in forced hot water heating systems for over 45 years. Flo-Cheks open automatically when the circulator starts running. They feature a thumb screw to manually open the valve, and are available in a cast iron universal body and a bronze sweat in-line configuration.